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E-flite . Futaba-RC . Next D

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e-Hirobo SRB Quark - Lepton - XRB Coaxial > Lepton Tail Not holding in punch out
 
 
tienman04
Senior Heliman
Location: Silver sping. MD

The tail on my lepton is not holding when I do a fast punch out.
My set up is with a futaba 401 with the 9254 servo. I set the gain up to 100 percent and the tail doesn't even wag, but it still does not hold when I do a hard punch out. The tail would swing to the right. I also notice that the lepton is extremely fast when I punch out...it seems faster than my Trex 500.

When all else fails, altitude prevails
04-26-2008 05:35 AM
 
 
owde
Heliman
Location: Darling Downs

Longer tail blades help but I've found a smaller pitch range and better collective management improves things greatly. Good headspeed and settup comes first though.
04-26-2008 11:53 AM
 
 
tienman04
Senior Heliman
Location: Silver sping. MD

I've notice that that pitch range does matter because if I punch out slowly/moderate, the tail doesn't kick. However, my pitch is from -10 to 10. And when I punch out its usally from 0 degrees to around 8 degrees. Does this typically happen in lepton?

When all else fails, altitude prevails
04-26-2008 12:55 PM
 
 
owde
Heliman
Location: Darling Downs

Maybe to some degree with some restriction in choice of power chain etc it may be harder to get the tail just right. There are others more experienced in this forum who can advise. For me, with the Hirobo motor, esc and 4 cell bat it was just getting the correct set up in the tail, then pumping it up to its sweet spot which got things rockin.
04-26-2008 01:46 PM
 
 
Tail_BoomStrike
Veteran
Location: Virginia Beach

http://www.runryder.com/helicopter/t394882p1/
04-27-2008 03:30 AM
 
 
demosa
Veteran
Location: Tigard, Oregon, U.S.A.

I'm using -9 to +9 pitch range and 401/9257 combo with stock tail blades and the tail is solid in punch outs (as well as all other manouvers I'm capable of doing). This is with both the Hyperion 3025-10 and the Kora 15-12 on 4s.

Given that you can take your gain to 100% and there is no wag, I'd say that your servo arm is too short, or your ATV's are not adjusted properly or something like that. I don't think 100% gain and no wag is normal. Something is wrong with your setup.
04-28-2008 06:28 PM
 
 
TonyTypeS
Key Veteran
Location: New Orleans, LA

You must have a low headspeed. I ran a 100% throttle curve on 5s and it was very powerfull. I never once had the tail blow out. I was using the kora ..16, logitech 6100, and carbon tail blades.

Must have more POWER!
Avant FX
Fueled by addiction
04-30-2008 08:39 PM
 
 
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e-Hirobo SRB Quark - Lepton - XRB Coaxial > Lepton Tail Not holding in punch out
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