Esky Belt CP wants to fly straight backwards!  
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All Forums >> RC Helicopters >> Electric RC Helis >> Esky Helicopters >> Esky Belt CP wants to fly straight backwards!
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Esky Belt CP wants to fly straight backwards! - 6/19/2008 4:56:18 PM   
Tom Z


 

Posts: 131
Joined: 11/18/2007
From: Ohio, OH, USA
Status: offline 		I have the Belt CP.
It wants to fly straight back no matter what I do. Even with full trim forward it really wants to fly backwards.
The swash plate is nice and level, flybar paddles are level, CG is great, blades are tracking well, blades are balanced. Two of use checked all these.
Any ideas what the problem may be?

Tom


_____________________________

Blade CX2 (V2), Esky Belt-CP, T-Rex 450 SA
       Post #: 1

RE: Esky Belt CP wants to fly straight backwards! - 6/19/2008 5:07:06 PM   
Druss


 

Posts: 4129
Joined: 8/10/2007
From: Edmonton, AB, CANADA
Status: offline 		if it flies backwards with a level swash then it's usually a cg issue.

How did you check that the swash was level and how did you check the cg?

(in reply to Tom Z)
       Post #: 2

RE: Esky Belt CP wants to fly straight backwards! - 6/19/2008 5:22:08 PM   
Tom Z


 

Posts: 131
Joined: 11/18/2007
From: Ohio, OH, USA
Status: offline 		The swashplate looks level by eye to both of us. Do I need a swashplate level tool? Maybe it's off a half a turn and you can't see this by eye.
The CG is off with the battery fully inserted into the battery holder.
So we moved the battery forward and got the skids nice and level. Lift the heli by the flybar method
as described in the manual.

Tom


_____________________________

Blade CX2 (V2), Esky Belt-CP, T-Rex 450 SA

(in reply to Druss)
       Post #: 3

RE: Esky Belt CP wants to fly straight backwards! - 6/19/2008 5:23:14 PM   
53 willys



Posts: 72
Joined: 6/4/2008
From: Lehi, UT, USA
Status: offline 		yeah I set my swash had one small hard landing and it knocked it all out of whack...mine started to fly back into me too...one turn on the adjuster and I was back in business....

_____________________________

HBK2~CNCheli 7075 Head~Danlion KA400H 3500 13t~Danlion 33A ESC~DIY bearing belt guides~Billet landing gear with trex 500 ski

(in reply to Druss)
       Post #: 4

RE: Esky Belt CP wants to fly straight backwards! - 6/19/2008 6:09:48 PM   
Druss


 

Posts: 4129
Joined: 8/10/2007
From: Edmonton, AB, CANADA
Status: offline
quote:

ORIGINAL: Tom Z

The swashplate looks level by eye to both of us. Do I need a swashplate level tool? Maybe it's off a half a turn and you can't see this by eye.
The CG is off with the battery fully inserted into the battery holder.
So we moved the battery forward and got the skids nice and level. Lift the heli by the flybar method
as described in the manual.

Tom



when you check the swashplate make sure that you're comparing it to the main shaft, not the body or anything else. the swash should be 90 deg to the main shaft.

(in reply to Tom Z)
       Post #: 5

RE: Esky Belt CP wants to fly straight backwards! - 6/19/2008 7:56:49 PM   
homeunt


 

Posts: 972
Joined: 2/10/2008
From: Ectobicoke, ON, CANADA
Status: offline 		A word of advice. The stock servos will never EVER give you a perfect perpendicular angle from swash to your main shaft. I spend hours doing it and just won't happen. It's cause of # of teeth I guess.
The closest you can get is taking advantage of it.
Belt-CP is tail heavy without thick 12cm long 2400mah 20c batteries
You may want ithe swash to be tilted one tooth forward because the Heli is made tail heavy.
That's how I set it up and the heli can fly itself momentarily while I rub my eyes.


The quick message is always cutting off my bottom....
THe bottom was
"Nothing against you Tom, it's just my Belt-CP that does it no matter how long I spend and what I spend on it"

_____________________________

This hobby is funny, if I got cash, I got no experience.
If i got experience, I see a giant hole on my wallet.

(in reply to Druss)
       Post #: 6

RE: Esky Belt CP wants to fly straight backwards! - 6/20/2008 12:56:18 AM   
Tom Z


 

Posts: 131
Joined: 11/18/2007
From: Ohio, OH, USA
Status: offline 		No problem.
Planning on replacing the servos with better ones when I can and the ESC also.

My belt cp is tail heavy also. Have to slide the battery far then I get perfect CG.
A heavier battery would help for sure.

Tom


_____________________________

Blade CX2 (V2), Esky Belt-CP, T-Rex 450 SA

(in reply to homeunt)
       Post #: 7

RE: Esky Belt CP wants to fly straight backwards! - 6/20/2008 7:40:43 AM   
onehot69stepside


 

Posts: 128
Joined: 10/8/2007
From: , CA, USA
Status: offline 		my money was well spent on a cf boom to level it out. especially when you go and put a heavier t-rex , copter-x, clone tail on it.

(in reply to Tom Z)
       Post #: 8

RE: Esky Belt CP wants to fly straight backwards! - 6/20/2008 4:14:55 PM   
Tom Z


 

Posts: 131
Joined: 11/18/2007
From: Ohio, OH, USA
Status: offline 		I am going to looking into getting a CF Boom, thanks.

Tom

_____________________________

Blade CX2 (V2), Esky Belt-CP, T-Rex 450 SA

(in reply to onehot69stepside)
       Post #: 9

RE: Esky Belt CP wants to fly straight backwards! - 6/29/2008 5:15:46 AM   
jmann71


 

Posts: 69
Joined: 3/3/2007
From: royersford , PA, USA
Status: offline 		had the same problem, turned out to be the elevator servo. worked fine with out the motor turning, but when the motor was turning it would lock up and glitch. replaced and all is well- for now.

_____________________________

what the?? did you see that! must of been the wind.

(in reply to Tom Z)
       Post #: 10

RE: Esky Belt CP wants to fly straight backwards! - 6/29/2008 5:55:49 AM   
Tom Z


 

Posts: 131
Joined: 11/18/2007
From: Ohio, OH, USA
Status: offline 		That's a good find. Will take a look at mine and see what it does.

Tom

_____________________________

Blade CX2 (V2), Esky Belt-CP, T-Rex 450 SA

(in reply to jmann71)
       Post #: 11

RE: Esky Belt CP wants to fly straight backwards! - 6/29/2008 11:50:17 PM   
davideh2


 

Posts: 72
Joined: 3/21/2008
From: birmingham, AL, USA
Status: offline 		Possibly the elevator servo needs to be reversed?

(in reply to Tom Z)
       Post #: 12

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