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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/1/2007 4:30 PM   
padrecraig


 

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From: Dothan, AL, USA
Status: offline 		Tzeming - Thanks for the recommendation inre: RVMShop.Com. I sent them an e-mail and they replied with a complete PFD list of parts for the BlackHawk 450. Their prices are fantastic! A complete Main Gear Set for under $4 USD. Wow! In fact all of their parts are really inexpensive, and they are quite fair on shipping as well. I ordered 2 Li-Po batteries (2200MH @15C) at $38.00 each, plus some other BH450 parts and the total shipping was $12.00 Air Mail. Appearently they are the middle man because the parts actually come direct from China. I don't care where they come from, as long as they are available, and don't take forever to arrive.

In the meantime I bought a barebone E-Sky Belt Cp and transferred the electronics from my BlackHawk. I don't know how it's goning to fly, but I can tell you that the quality of the Belt-CP versus the BlackHawk is apples and oranges. All of the chassis, rotor head, landing gear and tail components on the Belt-CP are plastic, where the BlackHawk is far and away more robust. I admit that either is a Trex, but in terms of quality I think the Blackhawk appears to be a more substantial heli.

Still hoping that someone out there on the list will share the measurements for their linkage setup. It would really help us newbies.

Does anybody have any comments or concerns about the gyro? Again another generic brand part, but it may be good. Just wondering what others are finding. I also found information that the motor is only rated at 3600rpm. Anyone finding the motor to be under-powered? What upgraded motors are being used?

Peace - Craig +

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/1/2007 4:40 PM   
retired911guy


 

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From: Hurdle Mills, NC, USA
Status: offline 		Craig, I am having to scrounge parts, sort of by guess and by golly, for my Blackhawk. Would you please send me via email the PDF file for the parts list for the 450? I surely would appreciate it. Arnold.Emmons@hughes.net. Thanks!!!

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/4/2007 11:23 AM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		spare parts hasn't arrived yet, nothing can be done to my broken helis. while having a game of table tennis ,an old friend , I call him Jack, visit me today. he usually turns up once or twice a year in my garden.




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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/4/2007 3:50 PM   
retired911guy


 

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Status: offline 		tzeming, well, obviously Jack is a lizard, and a good-sized one at that. What kind of lizard is he?

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/5/2007 4:25 AM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		Jack is a blue tongue lizard with a flat body, little legs and a long blue tongue of course. they are harmless ,and like snakes, they can move very fast enabling them catching fast food.

Like any other wild life, they are here because there are food. Yesterday was a hot day with 38C and Jack decided to come inside for a break as he is having a hard time locating his lunch.
Jack like spiders and snails, but under the hot sun, most of the spider and inserts dig deeper into the ground in order to avoid surface heat and search for moisture underground.

I hope jack is doing a good job, find all the spiders and wipe them all out. I don't like spider anyway, I used to put them in freezer when I was a kid. and mum freaked out when she found it out.

Sorry guys, nothing about Heli this time..

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/5/2007 7:16 AM   
retired911guy


 

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From: Hurdle Mills, NC, USA
Status: offline 		tzeming:
From what I hear and read, anything that eats spiders in Australia is a good thing to have around. Australia has some of the most poisonous and nasty arachnids on the planet, like the funnel web spider. Do you always check your shoes before putting them on??
I am still waiting on a new main rotor mounting (steel spindle) shaft from Microheli. They were $7.00 each plus shipping and are coming from Viet Nam. RVMShop has them for $0.63 each, if they are the same part. I guess I should fashion some training gear like you did to help protect my bird from "abrupt" landings. I had ordered some 325 mm CF blades to replace my wooden blades that got shredded. I had to file down the mounting hole area so they would fit in the main blade holders. I am hoping they come in Monday's mail (post to those "down under" and across the pond, right?).

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/5/2007 7:17 AM   
retired911guy


 

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Status: offline 		tzeming:
From what I hear and read, anything that eats spiders in Australia is a good thing to have around. Australia has some of the most poisonous and nasty arachnids on the planet, like the funnel web spider. Do you always check your shoes before putting them on??
I am still waiting on a new main rotor mounting (steel spindle) shaft from Microheli. They were $7.00 each plus shipping and are coming from Viet Nam. RVMShop has them for $0.63 each, if they are the same part. I guess I should fashion some training gear like you did to help protect my bird from "abrupt" landings. I had ordered some 325 mm CF blades to replace my wooden blades that got shredded. I had to file down the mounting hole area so they would fit in the main blade holders. I am hoping they come in Monday's mail (post to those "down under" and across the pond, right?).

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/5/2007 8:41 AM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		Yeah.. I keep my shoe indoor. A few years ago, the lady next door told me she found a funnel web in her front yard. , I told her I pay Jack $10 an hour, she should consider it. , so far I haven't seem funnel web in my garden (yet). however , three times I had close encounter with Red-back spider, they are less dangerous as they live in their web, they don't move around, but they are deadly. my main concern is white-tail spider, they walk around and likes to hide in our washing. they carry a serious bacteria that can eat away your skin. it can't be cure. If they bit you , they themself are not that poisonous ,but they deposit their nasty bacteria on the bite...

kill them all....

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/11/2007 4:56 AM   
rcjetflyer


 

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From: Mint Hill, NC, USA
Status: offline 		hi, things were going good for a while, then they slowed up. No one seems to be flying. I have the Blackhawk gas and electric. I am waiting for a gyro for each of them. I have a Align gyro but I cannot get the tail to stop wagging. What battery are you using on the electric? I have a 3 cell pack but it is only 1200, I don't seem to be able to get the rotor speed up high enought to stop the nodding. I think I will order a battery with more amp capacity. I am looking forward to the gas one if the Gyro I ordered from China will ever arrive. Serves me right for being so cheap and ordering one instead of paying the US prices.

Wish you had not told me about the spiders, I was talking to a friend in Childers Queensland and he tell me that they are ever bit as bad as you say. I was thinging about comming out if the presidental election here in the states turns out bad. UH-UH, I better not say anything about such things. I too am retired and looking to get the helicopters going. I have been flying helo for a while, brought a Gorham Cricket out to Australia many years and flew in Melborne and Shepparton.

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/11/2007 12:14 PM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		I am still waiting for my spare parts from HK. so back to my Real Flight G3.5 . trying to do a forward inverted figure 8...it is fun

I use two 3S1P lipo ,one with 2200mA and other 1800mA for my blackhawk 450, they both all right, but I suggest using at least 2200mA for longer flight time. if you are flying blackhawk 500 EP (electric version), I think you should use even bigger battery, as 500 is significantly heavier than 450.

For Gyro I use GY401.
I use those cheap servos from China, after the crash, I found one of them has been damaged in its plastic gear. lucky I have a spare one.
I will keep on using what I have at the moment, and get it stable in the air first, then I will look into how to improve the heli like replacing those cheap servo with JR 371 , and replacing the swashplate with metal type, metal blade grip and carbon blade.

Have you setup your servo arms yet ? what radio do you use ?


I have a 500GP and 450EP, just want to get the experience on both nitro and electric. both of them are not that expensive, I paid HK$2100 for 500GP with the engine and HK$950 for the 450 EP with the ESC and motor.

I hope we can share our experience.

Have you fly a nitro heli before ?

we are going to have our state election as well. none of them are any good. Labour promise to cut even more public servants, oohs ,I work for a state government dept, so no labour...

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/12/2007 4:07 AM   
rcjetflyer


 

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Status: offline 		Thanks Tzeming for the info, I will order some 2200 packs today. I had one that I got for the Blackhawk but I had bought a MX400 and the T-rex before and had battery packs for them so I thought I would just use those. They are 1500 I beleive. I gave the 2000 pack to a friend who flys planes and he says it made a lot of difference in the performance of his plane.

My first helo was the Dubro reaction heli with a K&B 45, I believe, it was mounted on top of the rotors, never could get it to fly but soon after I got a helibaby and have never been the same sience. We downsized a year ago and I have no place to fly the bigger heli, the closest flying field is 20 miles away. So I thought I would go with the small electrics. The T-Rex and 400 were mistakes for me as I could not see them when they got very far away. I am 72 years old and wear trifocal glases. I fly with a JR10X helicopter radio I have had for years. The receivers I use in the heli are only 6 chanel so the gyro control does not come up as it is chnl 7 on my radio. That is why I cannot get the Alighn gyro to work to suit me. That and being an old man without much paitence. I feel that the simple gyros will do me. I tried to hover the nirto heli without a gyro but it is to much to handle. I think the small Blackhawk heli will be better for me to see and the price is right. The small motor on the nitro should not bother anyone????
Sure wish my gyro would get here so I could try it. I ordered it from China and expect it any day. I will have to relearn also as it has been about 2 yrs since I flew a helo very much.

In the mid 70s I wanted to come out to Aus and contracted the guys in Melborne at a model club. I was manfactureing a RC system at the time and sold a few of the kits to guys in Aus.
My wife and I came out and the little Cricket which was a none collective machine was the simple machine to cary on the plane and maintain as I flew it. It was powred by a 25 motor and when I tried to fly it without nitro it would not lift off. One of the guys found a car racing shop and got a bit of nitro (for some reason nitro was hard to get in Aus then) we did very scientific method of mixing fuel - just tip the nitro can and let it flow into the glow fuel, boy did the heli fly then. Met a lot of great guys and have kept up with some of them over the years.

Weather getting good over here so Hope to get my batteries and gyros and get to flying
thanks again for the help on the batts I still have a lot to learn about electric stuff.

< Message edited by rcjetflyer -- 3/12/2007 4:10 AM >

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/12/2007 5:28 AM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		At 72 , you still fly RC heli, that's admirable

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/12/2007 8:20 PM   
rcjetflyer


 

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Status: offline 		O the smell of sweet success, Yesterday day here was such a nice day I thought last night that I would give the Align gyro one more try. I moved it to the Glow Blackhawk, thinking that my small battery packs may be giving voltage problems to it. I Lifted off and still the tail would not settle down. I was about to chuck it but being it has turned cold I thought I would really try to solve the problem. I took a close look at the the tail rotor control and found that when you go over center there is a slight bind. The plate where the ball links ride is very stiff. I open up the hole where the screw holds them and adjusted them for the center space so there would be no binding there. Also the hinge where the tail control swings on seem a bit tight so I freed this up. Also I shorten the servo arm so the servo movement would not mean as much tail control as I had been using. Now the tail will move throughout its range without any change in load. After a short hover and adjustment of the gain this is one sweet bird. Of course I had to screw something up or it would not be me ---- I dropped the starter wand into the fan blades. But is is such a cold day here the motor is still cooling ok. Must say that little motor runs sweet. I think the Blackhawk is a lot of heli for the money. I wonder if any one here knows of any scale fus that will fit the Blackhawk. Also a source of some other blades?

Happy flying im' off the hobby shop for some more fuel and yes to order a couple of fans

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/12/2007 8:23 PM   
rcjetflyer


 

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From: Mint Hill, NC, USA
Status: offline 		O the smell of sweet success, Yesterday day here was such a nice day I thought last night that I would give the Align gyro one more try. I moved it to the Glow Blackhawk, thinking that my small battery packs may be giving voltage problems to it. I Lifted off and still the tail would not settle down. I was about to chuck it but being it has turned cold I thought I would really try to solve the problem. I took a close look at the the tail rotor control and found that when you go over center there is a slight bind. The plate where the ball links ride is very stiff. I open up the hole where the screw holds them and adjusted them for the center space so there would be no binding there. Also the hinge where the tail control swings on seem a bit tight so I freed this up. Also I shorten the servo arm so the servo movement would not mean as much tail control as I had been using. Now the tail will move throughout its range without any change in load. After a short hover and adjustment of the gain this is one sweet bird. Of course I had to screw something up or it would not be me ---- I dropped the starter wand into the fan blades. But is is such a cold day here the motor is still cooling ok. Must say that little motor runs sweet. I think the Blackhawk is a lot of heli for the money. I wonder if any one here knows of any scale fus that will fit the Blackhawk. Also a source of some other blades?

Happy flying im' off the hobby shop for some more fuel and yes to order a couple of fans

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/13/2007 5:46 AM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		How nice you can get it going.

Thanks for your reminder about the tail binding, I didn't notice any but will check.

I oil every join when I setup the bird to smooth things a bit.

My main problem at the moment is to set the swashplate perfect level, I am wondering what is the length of each of your servo arm linkage ( to the bell crank for pitch/ail, direct connection to swash for Elv ) ? Also what is the ccpm % in radio ? As a beginner I have spend a lot of time adjusting it and still not getting it right ..

I dropped my starter wand into the fan blades as well and hence destroyed it. I ordered it back from a hobby shop who sells blackhawk GP in Australia.
The part number is : [HP05-P030] Engine cooling fan : Blackhawk 500 Heli GP , it costs US$2.7 from www.Modelflight.com.au

This HP05-P030 part ( fan ) doesn't include the hex nut in the centre, you have to remove the hex nut from the old one and put it back to the new one. I use a bit of superglue to fix it as well , as I found that after a few startup, the hex nut start to come off from the fan.

I think the reason why my starter wand felt is because I use the wrong starter wand, I should use the starter wand with one way bearing ( a lot more expensive than the normal one ). When I start the engine with the rotor starter with a normal wang, after the engine start, I stop the rotor starter without pull out the wang from the engine, however the engine is small and in the idle mode, it doesn't have the power to keep running with wang still attached ( this means now the engine has to turn the rotor starter and it can’t and stop ) . so what I do is to pull the wang out while the rotor starter is still running after the engine starts. this means the rotor starter is turning the wang free in air and it comes off.

One way bearing starter wang allows itself run freely when attached to the engine while the rotor starter is off.

However I go cheap, I didn’t buy it, I manage to continue the rotor starter while pulling the wang out of the engine and stop as soon as it leave the engine. I know, I know, it will catch me one day…

I have also replace the original gasket ( [HP05-M034] Asbestos set(10pcs) : Blackhawk 500 Heli GP ) with something else.

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/13/2007 5:48 AM   
tzeming


 

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Status: offline 		by the way, what % of nitro are you using ?

I have been told that smaller engine uses higher % of nitro , is that right ?

I use 15

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/13/2007 9:06 PM   
rcjetflyer


 

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Status: offline 		.

My settting on the transmitter is JR Default setting which is 60%airlons 60%elevator and 60&pitch.

Well so the starting hex is not molded into the fan and it can come out, that sucks, but sounds as if you are able to get it to work ok. Mine seems to not be hardend, shows sighs of rounding out. Is it available as a replacement item, I have not looked. Yes I have heard the the small engines need more nitro, I am running 10% but my new bottle of fuel will be 15%.
Don't think I will get to fly today, O BOY got an email from china they say my gyro will be here this friday!! I hope the 2200 cells get here soon.

Happy flying
Bailey

< Message edited by rcjetflyer -- 3/13/2007 10:59 PM >

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/13/2007 11:03 PM   
rcjetflyer


 

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Status: offline 		tzeming, I had posted the length of the control rods but took it off I am going to make some changes and will try to post the length of all the rods on the gas helo tommorrow. I do not have the negtive pitch I wanted. Will try to get that info to you after I make some changes and test it.

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/14/2007 4:24 AM   
rcjetflyer


 

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Status: offline 		blackhawk gas settings are as follows: Left side of heli servo to bellcrank measured from center of ball is 35mm bellcrank to swash plate 43.6mm over all length that is the calipers are opened so the push rod will fit within the opening.

right side of helo servo the bellcrank center of ball to center of ball 31.3mm over all length of the rod from bellcrank to swash plate is 33.5mm elevator pushrod overall length is 30.6mm. from the center of the servo ourput arm to the attachment point of the push rod is always 14.6mm on all 3 servos. If the is confusion I can send you a photo VIA your email or if you can tell me how I can post it here. I posted one message 2 times so you can see that I don't know what I am doing here on the fourm. With this setting I adjusted the small rods that connect to the blades to give me 7 degrees of pitch at full collective. This is hovering ok and moving around in my back yard. I havn't taken it out to the field and tried to fly around. So I may need to make other corrections. What has happen to the guy in my neck of the woods Hurley Mills I think? WE Blackhawk flyers have to stick together.

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/14/2007 5:36 AM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		yeah, blackhawk flyers stick together....

I think there is a tutorial in forum somewhere telling you how to upload the picture.

anyway , here are the steps in the attached.

you have to use postreply ( can't use quick reply )
and click the link at the left hand bottom
then browse the file / photo to be upload and click ok and submit
( by the way, the preview will not shown your pictures ) ( I was having the same issue when I started in forum, a bit confused )

Many many thanks for your info , this is the first time someone would tell me what the lengths are.
I will check mine tonight.

Also if anyone hasn't seem this , check it out

http://www.runryder.com/helicopter/rrTV-Photo/contest/3DM2006/

it is 2006 3D master event



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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/14/2007 5:44 AM   
retired911guy


 

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Status: offline 		That guy is still around, and is becoming frustrated. I was going to post last night but "ran out of gas" and went to bed. I finally got my $17 worth of parts from Microheli that RVMShop sells for $0.63 each, and got my main rotor blades back on. I am having an impossible time getting my 450 to get into a stable hover. As soon as I fire it up, it rotates about 270 degrees, and tries to tip over or if I manage to get it off the ground by "goosing" it a little, it slides off to the left. I cannot seem to get it go straight up. I have tried to compensate with trimming controls but no luck yet. I have NO idea if the heading lock gyro is oriented properly. The little LED is towards the tail rotor. The last time I got it about 5 feet off the ground, it was about 50 feet away in the blink of an eye, and I brought it down a little too quickly, and bent the shaft the rotors are mounted on. Maybe I ought to chuck my dreams and switch to fixed wing aircraft or maybe tie some 50 lb. fishing line to it and anchor it in the ground so it can't stray to far. I just had both my knees replaced so I can't go chasing it all over the place.
In another vein, I made some inquiries about opening an RC park here on my farm. I have a 2 acre pond with low banks, and about 18 acres of open land in several different mowed fields, but about 9 acres of that is in tall grass and weeds, but which is mowable. I just don't think there is enough locally to make it worth the effort. I live about 50 NW of Raleigh, NC and about 25 miles north of Durham. There already is an RC club in Raleigh and another in Burlington but neither is big into heli's as far as I can tell.
ANYWAY, if anyone has any suggestions on how to settle my bird down, I would greatly appreciate it. It would also be helpful to send my wife out on an all-day shopping trip so I can have some time to work with my Black Hawk. Not everyone considers flying model helicopters as serious business.

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/14/2007 6:26 AM   
tzeming


 

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From: Sydney NSw, AUSTRALIA
Status: offline 		Hello frustrated,

does the tail stops spining after 270 degree turn or it keep spinning around non-stop, if it is non-stop spinning, your gyro direction is wrong. ( as I have the same problem , I set it up wrong and tail spin around and eventually lost control and crashed )

is there any vibration ? if yes , have you balance the blade ? or check the blade tracking .

my swashplate on both 500 and 450 are not exactly level , this means the birds will go sideway or whatever way , . In order to have swashplate level, the length of each linkage from the servo to the bellcrank has to be correct in relation to the radio setting ( like the sub trim, ccpm % , end point travel , pitch curve )

If you bought this bird from the shop with all the servo installed and linkage done, I will expect the people in the hobby shop will set it right for you and tested ( that's why you pay them a bit more , for this kind of service )

I bought it without any preset electronic so I have to figure it out myself. ( or ask the forum , phone a friend, or go 50/50 )
I know my comments is not that helpful,,,,

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RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/14/2007 6:36 AM   
rcjetflyer


 

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Score: 100
Joined: 4/11/2002
Last Login: 3/29/2013
From: Mint Hill, NC, USA
Status: offline 		Greetings Retired911guy, I wondered what had happen to you. I know what you mean about running out of gas. The only problem with me flying the little gas heli is if I have to start it down on the ground then by the time I can get up and start to fly it it is out of gas. Old folks don't move as fast as they used too. Must be great to have your own place to fly. We downsized and moved to SC for the low taxes but now the flying field is 65 mile round trip so I don't get out there much. Hope to be able to use some the school field around when school is out.
I have a son in Raleigh, He was in heli for a while until one tried to kill him. I see that you are 165 miles from me but as I am retired I might could get up your way and we could see if we could sort the beast out. Don't give up. Also I have a good friend in Denton NC who is a heli nut we may find someone close to you. Any chance you are comming down to the Lexington Swap meet this saterday? keep us posted on how you are getting along. I may get out to the flying field this week and see if I can fly the bird around. It has been a while that I have not flown helis much and with not being able to see the little helis I am going to have to be very careful not to screw it into the ground.
Hang in there and Happy Flying
Bailey



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(in reply to retired911guy)
       Post #: 98

RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/14/2007 8:01 AM   
retired911guy


 

Posts: 76
Score: 100
Joined: 12/24/2006
Last Login: 2/5/2008
From: Hurdle Mills, NC, USA
Status: offline 		Hey, Bailey! Thanks for the words of encouragement, and you, tzeming, for your suggestions. I should take a more critical look at the swashplate. I have looked at it and it looks level, but a closer inspection is definitely indicated. Bailey, would that be Lexington NC or SC? Looks like SC Lexington is a bit bigger than a wide spot in the road, but not a whole heck of a lot. Anyway, it's bigger than Hurdle Mills. I have 38 acres altogether, and probably a bit less than half is open fields. I have LOTS of room to fly and no zoning; I can do what the heck I want to. If I won the lottery, I'd have a hangar and a real helicopter sitting beside it! Come on up anytime; I am retired too, at least from 911, but I am not retired from the Honey-Do list. Sorry you have to travel so far to fly; it has got to be a real BIG bummer if something happens to cut your flying time short. I guess you get good in a hurry to make the trip count. It is supposed to rain Saturday, so I will probably park my carcass in front of the computer and surf RC Universe and fiddle with my 450 some. Since I fly electric, I don't have the problem of running out of gas before I can make it back to the transmitter.
I have even thought of getting a helo with floats so I can land it on the pond, but with my luck, I'd drown it or see how it performed as a submarine. Maybe I should try boats??

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(in reply to rcjetflyer)
       Post #: 99

RE: New Blackhawk Heli... A lil bigger than T-Rex - 3/15/2007 8:14 AM   
tzeming


 

Posts: 67
Score: 100
Joined: 11/27/2006
Last Login: 8/24/2009
From: Sydney NSw, AUSTRALIA
Status: offline 		hope to see you two get together and have a great time flying.

I consider setting up / repairing / tuning / learning / sharing are part of the fun of this hobby as well as flying it. that's what keep me going.
Only part which is not fun is spending money...

I found some info about one way bearing, how it works. I will post it later on after I receive my spare parts.

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(in reply to retired911guy)
       Post #: 100

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