RE: ........."BELT-CP THREAD"........  
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All Forums >> RC Helicopters >> Electric RC Helis >> Esky Helicopters >> RE: ........."BELT-CP THREAD"........
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RE: ...... - 7/20/2008 3:13:47 PM   
phillyD


 

Posts: 337
Joined: 1/24/2008
From: Tortola , VIRGIN ISLANDS (BRITISH)
Status: offline
Ok Bill
Finless said that linear bit. But I could not understand how it would work like that. You guys are keeping me alive. We'll get it worked out.
You guys got the info-I got the stick-to itiveness
Cheers

(in reply to billmay)
       Post #: 1826

RE: ...... - 7/20/2008 5:52:11 PM   
billmay



Posts: 601
Joined: 11/19/2007
From: Pottstown, PA, USA
Status: offline

quote:

ORIGINAL: phillyD

Ok Bill
Finless said that linear bit. But I could not understand how it would work like that. You guys are keeping me alive. We'll get it worked out.
You guys got the info-I got the stick-to itiveness
Cheers

For comparison here's my setup.

First the RX channels:
AUX1 = right rear servo (pitch servo)
GEAR = HH gyro gain (single wire)
RUDD = Gyro
ELEV = front servo
AILE = left rear servo
THRO = ESC (with red wire removed)
BATT/BIND = UBEC (on y-harness)

In setup, AILE and RUDD are reversed, all others are normal

Swash Mix:
AILE = +70
ELEV = +70
PITCH = +65

Throttle Curve Normal = 0, 30, 60, 80, 100
Throttle Curve Stunt = 100, 85, 70, 85, 100

Pitch Curve Normal = 40, 45, 50, 75, 100
Pitch Curve Stunt = 0, 25, 50, 75, 100

In stunt mode, I get about 9-10° of positive and negative pitch. Pitch curves are identical above mid stick so there is no change when you switch to stunt mode in the air. In normal mode, I get about minus 1 or 2° of pitch at low stick. You do want a small amount of negative pitch even in normal mode. If you're flying on a breezy day and the wind catches the heli, 0° of pitch may not be enough to get the heli down quickly where you want it.

If you want your throttle curves to be identical above mid stick you could set your normal curve to be 0, 35, 70, 85, 100. You would never hover below mid stick so that means that you would never see a change when you switched to stunt mode. In fact, you could even go to mid stick throttle while it's still on the ground, switch to stunt mode, and then lift off.

You can adjust the throttle and pitch curves a bit to whatever works best for you.

If you're concerned about accidentally hitting the stunt mode switch, you can set your stunt mode to be the same as your normal curves for now.

Also, for the HOLD settings, I would recommend a throttle setting of 0, and a pitch curve of 0, 25, 50, 75, 100 (same as stunt). Once the heli is powered, just hit the throttle hold switch and the blades can't spin up on you accidentally. You can also preflight the heli while in throttle hold. You can move the throttle stick through it's full range to check that the swash does move fully up and down and also do your cyclic stick checks. Then make sure you're at low throttle stick and switch out of throttle hold and you're set to fly.

Bill

(in reply to phillyD)
       Post #: 1827

RE: ...... - 7/20/2008 10:17:58 PM   
phillyD


 

Posts: 337
Joined: 1/24/2008
From: Tortola , VIRGIN ISLANDS (BRITISH)
Status: offline
Guys Guys Guys Dis and Bill
A great many thanks. I owe you guys and one day I hope we can meet. I am sorry to say that both of yu guys are gurus, men and answer kings along with Finless Bob .
I just did what all of you said and voila. This info wiil make yu gurus to the 10th power, beacuse I am a special person and I get the strangest of problems. So all other problems has to fall between you folks and I .
Order of fix-Disney pitch 50-50-50-50-50-, 0 degrees good check for pitch. Negative collective movement -60 -60-60 normal mode pitch works right.
Stunt mode positive pitch no negative. Bill and Finless fix pitch curve 0-25-50.... full collective positive and negative pitch
Pitch curve at 40 to get -1 1/2 negative pitch at the bottom.
Going and make sure I have seen right.
Thanks
Cheers

(in reply to billmay)
       Post #: 1828

RE: ...... - 7/20/2008 10:30:08 PM   
billmay



Posts: 601
Joined: 11/19/2007
From: Pottstown, PA, USA
Status: offline

quote:

ORIGINAL: phillyD

Guys Guys Guys Dis and Bill
A great many thanks. I owe you guys and one day I hope we can meet. I am sorry to say that both of yu guys are gurus, men and answer kings along with Finless Bob .
I just did what all of you said and voila. This info wiil make yu gurus to the 10th power, beacuse I am a special person and I get the strangest of problems. So all other problems has to fall between you folks and I .
Order of fix-Disney pitch 50-50-50-50-50-, 0 degrees good check for pitch. Negative collective movement -60 -60-60 normal mode pitch works right.
Stunt mode positive pitch no negative. Bill and Finless fix pitch curve 0-25-50.... full collective positive and negative pitch
Pitch curve at 40 to get -1 1/2 negative pitch at the bottom.
Going and make sure I have seen right.
Thanks
Cheers

Good job! Glad you got it worked out.

Bill

(in reply to phillyD)
       Post #: 1829

RE: ...... - 7/20/2008 11:43:20 PM   
davideh2


 

Posts: 72
Joined: 3/21/2008
From: birmingham, AL, USA
Status: offline
Exactly as Billmay says. Your rotor pitch is doing exactly what you pitch curve is telling it to......... just backwards. Sounds like you just need to reverse the servos and make your pitch linear.

(in reply to billmay)
       Post #: 1830

RE: ...... - 7/21/2008 12:02:13 AM   
davideh2


 

Posts: 72
Joined: 3/21/2008
From: birmingham, AL, USA
Status: offline
Sorry guys. Got lost on the board and didn't realize there were about 8-10 post prior to mine resolving PhillyD's problem.

(in reply to davideh2)
       Post #: 1831

RE: ...... - 7/21/2008 12:27:30 AM   
smokey5159


 

Posts: 61
Joined: 6/28/2008
From: Adelaide, AUSTRALIA
Status: offline
Hey Billmay,

I'm looking at buying a new Transmitter today, what would you recommend - 2.4Ghtz?

(in reply to billmay)
       Post #: 1832

RE: ...... - 7/21/2008 12:36:38 AM   
phillyD


 

Posts: 337
Joined: 1/24/2008
From: Tortola , VIRGIN ISLANDS (BRITISH)
Status: offline
Hey Smoks
Can I answer.. I don't want to be alone with all the idiot issue I had go for it .

(in reply to smokey5159)
       Post #: 1833

RE: ...... - 7/21/2008 12:40:56 AM   
smokey5159


 

Posts: 61
Joined: 6/28/2008
From: Adelaide, AUSTRALIA
Status: offline
Hey Phil, absolutely!!


What about Futaba 2.4?

(in reply to phillyD)
       Post #: 1834

RE: ...... - 7/21/2008 2:03:47 AM   
disney1



Posts: 446
Joined: 11/21/2007
From: Orlando, FL, USA
Status: offline
Evening Smokey5159:
Billmay, PhillyD and I all use Spektrum 2.4Ghtz DX6i's The Futaba is a good radio, But the best value is definatly the Spektrum DX6i. It can be bought for $169 at US Hobby SupplyThat price is $10 less than anywhere else on the web.
Here is a link to the DX6i manual in PDF.
http://www.spektrumrc.com/ProdInfo/Files/SPM6600_DX6i_Manual-LoRes.pdf
The 2.4 system is very stable, and when you add that it is also DSM and that no frequency selection is needed, it makes the 2.4 DSM type radios the only way to fly. On top of that any Spektrum or JR 2.4 DSM RX will work with any Spektrum or JR 2.4 DSM TX.
The list of advantages to the 2.4 DSM systems is long.
Billmay, PhillyD and I will be glad to help you get it set up if you have any problems.
Have a Great Day
R N Sr


_____________________________

R/C Helicopters are dangerous to your wealth.
The only stupid question is the one you forgot to ask.

(in reply to smokey5159)
       Post #: 1835

RE: ...... - 7/21/2008 2:18:40 AM   
billmay



Posts: 601
Joined: 11/19/2007
From: Pottstown, PA, USA
Status: offline

quote:

ORIGINAL: smokey5159

Hey Billmay,

I'm looking at buying a new Transmitter today, what would you recommend - 2.4Ghtz?

If you're getting a new TX, I would definitely get a 2.4 GHz. Many advantages and it's the direction everything is moving in. Futaba's are obviously great radios but, as Disney said, the Spektrum DX6i is probably the best value going right now. Whichever you choose, you won't regret buying a really good radio.

Bill

(in reply to smokey5159)
       Post #: 1836

RE: ...... - 7/21/2008 4:10:16 AM   
smokey5159


 

Posts: 61
Joined: 6/28/2008
From: Adelaide, AUSTRALIA
Status: offline
Billmay and Disney1,

Gday guys! - have already purchased the very same. Seems to be the Hobby Shop's preference too - though he charged a little more than what I could get one on the net, not an issue though as (warranty issues will be easier, closer to home).

I will carefully read through the manual and see how I go. I have also purchased a better quality ESC and have a UBEC on the way as well. So now, I should be on the way to better flying.

I am doing Ok at the moment with hovering (no crashes). So when everything is in place I will venture deeper into heli flying.

Once again thanks soooo much for your wise words - I will be in touch if things get complicated.

Cheers.

(in reply to disney1)
       Post #: 1837

RE: ...... - 7/21/2008 4:29:59 AM   
phillyD


 

Posts: 337
Joined: 1/24/2008
From: Tortola , VIRGIN ISLANDS (BRITISH)
Status: offline
hey Dis
Would you believe I would be back so quick with another problem? So tell me what am I doing wrong with the telebee gyro. Follow the instructions, watched Finless: in HH mode the servo arm does not hold. So what have I messed up now. Do I start out with tail rotor in the center and servo center then use trim to hold in rate mode awww. i tried setting up from heading hold ect. Hey help. Finless says have the tail rotor in the middle of the travel-unlike rate mode you have to fix the pitch for the hover. How do you fix the after you set tail blade in the middle of the travel-rudder trim? Give some numbers again Mr Magic magician.
Thanks
Cheers

< Message edited by phillyD -- 7/21/2008 4:47:54 AM >

(in reply to disney1)
       Post #: 1838

RE: ...... - 7/21/2008 8:12:59 AM   
phillyD


 

Posts: 337
Joined: 1/24/2008
From: Tortola , VIRGIN ISLANDS (BRITISH)
Status: offline
Sorry Dear fellows
Seems the telebee gave up during the fray. Put in a logictech all working. The telebee should 1s easier to set than the logictech. So it can't be me . I think you can say I'm enjoying the hobby?
Cheers until hopefully no more probs.
Edit So how can you bend a main shaft and you never crashed. Can unbalanced blades do that or was it from tightening the head linkages. No to get the blade balancer from UShobby.

< Message edited by phillyD -- 7/21/2008 8:43:59 AM >

(in reply to phillyD)
       Post #: 1839