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-   -   Showtime (https://www.rcuniverse.com/forum/3d-flying-82/3106917-showtime.html)

BoneDoc 08-13-2005 09:29 PM

RE: Showtime
 
Barry, where did you mount your rudder servo?

Iflyit 08-13-2005 09:34 PM

RE: Showtime
 
I only saw one question in your post and that was is your CG too far back, My reply stated that I am flying mine on the stock CG and it is fine so that means your CG isnt too far back if its stock. Balance it upside down. I don't fly in circles, mine harriers with only a tiny bit of wing rock with no mixing. It is not going to fly like a foamy and nothing really will. It will snap if you pull too much elevator or get it too slow with too much elevator, its just the way it is.

Ron Kinsey 08-13-2005 09:40 PM

RE: Showtime
 
Saito .91

MalaysianFlyer 08-13-2005 09:53 PM

RE: Showtime
 


ORIGINAL: 3dman523

I thought you ment that the plane came with arms. My bad:D

I thought it did come with arms.... those funny arms on the wings?? :D:D

Flyer046 08-14-2005 07:12 AM

RE: Showtime
 
MMcConville,

I am confused, I called Horizon costmer service to in quire about the video of the new ShowTime 4d, my question was simple - what engine was used at the time the video was done? The answer was Saito 100, I then asked what they thought of the YS 91 fz for power? The answer was it should be fine, not quite the answer I was looking for. I then asked to talk to product support asking the same question they told me that the ShowTime was tes flown with the YS 110. What is the truth and in your opinion do you, the designer, think of the YS 91 fz for power<

flyer046

drumbum 08-14-2005 10:06 AM

RE: Showtime
 

ORIGINAL: Flyer046

MMcConville,

I am confused, I called Horizon costmer service to in quire about the video of the new ShowTime 4d, my question was simple - what engine was used at the time the video was done? The answer was Saito 100, I then asked what they thought of the YS 91 fz for power? The answer was it should be fine, not quite the answer I was looking for. I then asked to talk to product support asking the same question they told me that the ShowTime was tes flown with the YS 110. What is the truth and in your opinion do you, the designer, think of the YS 91 fz for power<

flyer046
IF they were YS dealers it would be the recomended engine.. H9 like to recomend only the things they sell.. Its called market strategy;)

drumbum 08-14-2005 10:14 AM

RE: Showtime
 

ORIGINAL: Big Barry

I flew mine today and it was way tail heavy, a real Snapasaurus. I couldnt do squat with it. It has the worst wing rock and is not stable at all. It did a great blender and nice flat spin but I almost crashed pulling out as it wanted to snap out, even KE was a chore. The thing that gets me is I set it up (I thought) a little nose heavy. I thought it was suposed to fly like a Foamy, it did not.

I moved the battery under the wing tube and will fly it again tomorrow. What really hurts, is I left my little YAK at home thinking this plane was going to rock, well it did, side to side like a drunken sailor in the Philipines. I could not slow it down in a harrier or it would snap over. I wish I had a good report but I dont. I set the CG at 7 6/16" and all the throw I could get. I was using 60% expo on the elevator and it was just a bear to try anything but straight and level flight at moderate speed. I tried a wall and almost snapped it into the ground. I can say one thing for the plane it is responsive. The YS 1.20 has plenty of power it pulled out of a hover, not like a rocket more like the space shuttle. 8.5 lbs would have been much better.

I fly my other planes from take off to landing on high rates, I never change. I harrier land my foamy and my Mayhem. Are any of you guys flying the ST the same way or is it too unstable or was mine just way too tail heavy? My H-9 Edge is the same way and it just sucked, too tail heavy and a snapping dog on H-9's recommended CG. I dont want to bag on this plane too much more since I know it was tail heavy, but come on I set the CG as instructed, a lesser pilot would have plowed it in. It was a good thing I was on the dry lake as I could land in any direction and I just let it settle on its own and land. It did pop up pretty good when I applied a little elevator to flare before touchdown-made for a fun landing.

First impression:

Does not fly like a foamy, is not as stable as the Mayhem, the recommended CG is not working on my ST, no fun to fly in this condition.

mine had i slight tailheavy feel at the recomended and over on the circus. kyle said his at recommended felt a little tail heavy to him.. the recommended is not going to suit everyone.

as for the high rate.. i flew evrything on high rates all the time on mine EXEPT aileron.. the aileron on high is way to touchy for a landing and precision so i would flip it for 3d and flip it back for 4 pointers and cuban 8s etc. ironicly that is how my showtime met its fate.. because i assumed (and made an ass of my self) that the elevators were on high and they werent and STUCK it. thats what i get for not checking rate positon before entering a manuver..

BoneDoc 08-14-2005 11:52 AM

RE: Showtime
 
If it may be of comfort for you next time, try powering your way out. I find that with my Extra if I fly below a certain speed in my 3D maneuvers, I could feel the airplane stalling, and as scary as it feels, nothing beats gaining enough speed so that your controls become responsive again.

HTH
Josh

jgraham10 08-14-2005 11:55 AM

RE: Showtime
 


ORIGINAL: drumbum


ORIGINAL: Flyer046

MMcConville,

delete
flyer046
IF they were YS dealers it would be the recomended engine.. H9 like to recomend only the things they sell.. Its called market strategy;)
Might check out Horizon's website as i believe that they are a partner with YS.
http://www.horizonhobby.com/Shop/ByC...hType=Standard
I just wonder why not all of YS's engines show up on their website.
Overall after watching one of these airplanes fly I think the engine of choice would be the 110.
They are a beauty to watch fly and have alot of good qualitys too.
John

zvika 08-14-2005 12:05 PM

RE: Showtime
 
Hello eran

the nitro content has a small affect on the break-in the oil content is a greater issue, so it should be fine.

zvika 08-14-2005 12:31 PM

RE: Showtime
 
We are flying the ST in a little forward than the stock CG and we keep getting snaps at about half elevator pull, checked all mechanical linkage for difference (specially on the dual elevator connection) but nothing seems to couse the snap. engine is SAITO 120 prop is 16x4W - APC , besides snaps the plane handles very nice rolls faster than the prop, easy to land, and very accurate at flight. any idea on the snaps ?

BoneDoc 08-14-2005 12:53 PM

RE: Showtime
 
check your elevator halves at ALL throw. I basically stare at the tail, and slowly (full 3D rates) move the elevator to its end points. Make sure that not only the end points are the same, but the speed of travel as well.

Another thing, check for incidences, wash in/out, and laterally balance the plane as well

HTH
Josh

zvika 08-14-2005 03:13 PM

RE: Showtime
 
We might have found something, the right half elevator has a small twist, aligning by the inner side or by the outer side yields a different setting !!!

BoneDoc 08-14-2005 03:23 PM

RE: Showtime
 
bingo! I bet that's it. also, if you have 2 people working on it, you can try having the second person push down on the elevator when the other person moves it up, simulating load. it should still come up the same, and if not, you might want to change the servo.

eranorit 08-14-2005 03:28 PM

RE: Showtime
 
Hello guys,
Do you measure the stock cg with or without fuel in tank ?
Eran

Bdsbob 08-14-2005 03:36 PM

RE: Showtime
 
The CG is measured without fuel in the tank.

zvika 08-14-2005 03:37 PM

RE: Showtime
 
1 Attachment(s)
No Fuel, so CG can only move forward (more stable)

3dman523 08-14-2005 04:12 PM

RE: Showtime
 
I was flying today it was only the fourth flight. I went in to a knife edge spin. It looked ok untill i pulled up, it was fluttering so bad the whole plane shook. My dad ran out and landed it. We were using futaba 9202 servos and a 5 cell battery so it should have been good. We are going to get a new wing because the wing was broken in a bunch of spots. I thought the plane should have done fine in the spin but no. Im a little disapointed. It wrecked both the servos so thats a 120 dollar this plane has costed us.[&o]

Big Barry 08-14-2005 05:38 PM

RE: Showtime
 
I have a video of Mike McConville saying "it flys like a foamy", it is his quote. I made the purchase based on his statement.

I asked if any of you guys fly it on high rates all the time, take off and landing. Some of you replied, thanks I apreciate it. Also could any of you tell me how much travel you are actually using on the elevator?-Why design a 3-D plane with this size elevator and not use it? We should be able to use 50 degrees of throw or more.

This is getting interesting because now I am finding that more people are having snapping or stalling issues and I am reading about more wing failures.

My rudder servo is in the tail. My tank is in the stock location.

My fuse seems to be bent to the left when looking at it from the front, also my Verticle Stab is bent to the left as well. This is more than likely my problem and I will need to replace the fuselage. However, if I cant fly this plane on high rates at a snails pace like Kyle, then I dont want it, because thats WHY I BOUGHT IT!

Would one of you guys check your fuse and let me know if it is perfectly straight or warped like mine?

I just want what I paid for, I buy 3-D planes because I want to 3-D and for me that means being able to harrier it right to the ground without it wanting to snap out. It should be able to hang on the prop in high alpha and not rock side to side.

I am going to call Horizon support tomorrow and see if I can get a new fuselage, if not, its going up for sale and the 1.20 is going in the Mayhem.

I know this plane can fly I have seen the videos, mine just might be a lemon. I know how a plane is suposed to fly and mine is not even close

drumbum 08-14-2005 06:30 PM

RE: Showtime
 

ORIGINAL: BoneDoc

If it may be of comfort for you next time, try powering your way out. I find that with my Extra if I fly below a certain speed in my 3D maneuvers, I could feel the airplane stalling, and as scary as it feels, nothing beats gaining enough speed so that your controls become responsive again.

HTH
Josh

i did power it but there still wasnt enough to regain it it just spun harder... i was coming out of a blender[&o]

drumbum 08-14-2005 07:33 PM

RE: Showtime
 

ORIGINAL: Big Barry

I have a video of Mike McConville saying "it flys like a foamy", it is his quote. I made the purchase based on his statement.

I asked if any of you guys fly it on high rates all the time, take off and landing. Some of you replied, thanks I apreciate it. Also could any of you tell me how much travel you are actually using on the elevator?-Why design a 3-D plane with this size elevator and not use it? We should be able to use 50 degrees of throw or more.

This is getting interesting because now I am finding that more people are having snapping or stalling issues and I am reading about more wing failures.

My rudder servo is in the tail. My tank is in the stock location.

My fuse seems to be bent to the left when looking at it from the front, also my Verticle Stab is bent to the left as well. This is more than likely my problem and I will need to replace the fuselage. However, if I cant fly this plane on high rates at a snails pace like Kyle, then I dont want it, because thats WHY I BOUGHT IT!

Would one of you guys check your fuse and let me know if it is perfectly straight or warped like mine?

I just want what I paid for, I buy 3-D planes because I want to 3-D and for me that means being able to harrier it right to the ground without it wanting to snap out. It should be able to hang on the prop in high alpha and not rock side to side.

I am going to call Horizon support tomorrow and see if I can get a new fuselage, if not, its going up for sale and the 1.20 is going in the Mayhem.

I know this plane can fly I have seen the videos, mine just might be a lemon. I know how a plane is suposed to fly and mine is not even close
before i crashed mine i did a test and added 2 oz to the nose and it flew better.. i also had my servo in the tail. i was going to switch to pull pull so i wouldnt have to add weight.. but unfortunately i crashed it that day.. I will buy another though .. i loved mine. the only issue that was bothering me was the wing rock in a harrier... but if you watch kyles video he was also experiencing wing rock. he was just covering it pretty good but you can still tell it was there.. but oddly enough some people report no wing rock. I have noticed a trend there though. Just about all of the people that were not experiencing rock had heavier motors than the YS-110 and 120 in kyles case. I had not tweaked my plane to its best before i lost it.. it usually takes me about 20 or so flights of slight changes here and there to sqeeze the most potential out of one.. i do it through tial and error.. even on plane i think flies awesome first flight i still try things to see if there is a little more hidden perfomance that can be had.

drumbum 08-14-2005 07:37 PM

RE: Showtime
 

ORIGINAL: 3dman523

I was flying today it was only the fourth flight. I went in to a knife edge spin. It looked ok untill i pulled up, it was fluttering so bad the whole plane shook. My dad ran out and landed it. We were using futaba 9202 servos and a 5 cell battery so it should have been good. We are going to get a new wing because the wing was broken in a bunch of spots. I thought the plane should have done fine in the spin but no. Im a little disapointed. It wrecked both the servos so thats a 120 dollar this plane has costed us.[&o]
these servos may be high torque but they are NOT metal geared.. Im suprised you got it back.. do yourself a favor and get some metal geared servos..

also they are borderline torque rating.. hitec 5625s , almost tripple the torque and metal geared, and they will run on 6V. some of the futabas will not

rcflyguy_26 08-14-2005 08:00 PM

RE: Showtime
 
DRUMBUM is 100% right 9202's are all nylon gear... Anyone who is not running metal gear servos in the ST is asking for flutter. Mine has an os 1.08 with a 16x8 APC and goes like a bat outa *^%#, and does the best up right and inverted blenders I have ever seen! I'm running HS945MG Hitec's and a 8611 on rudder. And all gaps are sealed

For those of you who think that It's a Lemon... check your setup and use some expo.

I just think that most people think the showtime is going to 3-D it's self.. ya know, hold back all the elevator you can and let it do it's thing. Those people just need more stick time, and back off the elevator some... all the elevator you can get on the ST is too much throw for an elevator maneuver. Too much ele = wing rock. Once you find the sweet spot... It's like butta!!!

Scott

3dman523 08-14-2005 09:00 PM

RE: Showtime
 
how about hitech 5945MG's. They have alot of torque and are only 55 bucks.With these servos will it do fast spins or should I stay away from spins.i am a little worried because i dont want this to happen again. I want OVERKILL servos but i dont want to pay a 100 bucks each for them.I had a digital servo on the rudder and i was wondering if they are supposed to shake?

BoneDoc 08-14-2005 09:04 PM

RE: Showtime
 
I'm nearly done now, just got to install the switch, throttle servo, tank, and remote glow plug. I think that you're always trading stability for responsiveness. You simply can't have both. An airplane that's so stable in hover, etc, won't snap cleanly, and vice versa. I admit skill wise, i'd probably do better with a UCD, but I think a properly executed snap is such a thing of beauty. :).

Second the use of metal geared servos. I think anything bigger than 60" needs MG servos if you want to be on the safe side.


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