RunRyder - Flips/rolls what am i doing wrong?

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Aerobatic 3D Contest > Flips/rolls what am i doing wrong?

helicraze
Veteran
Location: Victoria - Australia

Hi, I have been getting into 540 stall turns, loops, flips, rolls but I have a problem with doing flips or rolls.

First off I have a E325SE and E550 and E620SE,
the flips with the E325SE work really well and the rotor RPM does not drop. With the E550 and E620SE I tend a) fall out of the sky b) not end up level once I've completed it.
I'm sure I am putting in elevator while doing aileron stationary flips.
But with the E325SE it turns out perfect, is it the timing that is stuffing it up as the larger helis take longer?
I am afraid of over pitching the head on the larger helis as when i execute the manovuer the RPM drops slightly and I don't think I put enough - pitch in as the noise of the rotors may be tricking me into thinking the RPM is dropping off?

All the machines are running proper thr curves and -10/+10 pitch.
Any help would be appreciated.
Thanks

04-20-2008 08:42 AM

helicraze
Veteran
Location: Victoria - Australia

ok i think i have found it, my CG of the large helis has not been perfect, I now velcro the pack closer to the front to fix it.

Also I have been working on my timing, that also helps

04-23-2008 10:34 PM

snobdrs
Senior Heliman
Location: coatesville,pa-usa

if you are having problems with rotor speed dropping off when adding a good bit of cyclic, ring a program mix to compansate. ELE to Throttle and ail to throttle this will help keep the speed up. Collective timing makes a difference in how the flip looks. When i started flipping i would pop the collective to get the heli moving up and over and tumble from there.

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04-24-2008 03:26 AM

helicraze
Veteran
Location: Victoria - Australia

Is it common to run a mix for elev and ailer in an electric heli?

I thinks I'm getter better, just the CG issue and my timing, each of the 3 helis is different. In the beginning i would just start and finish, now i time it to the movement of the heli and they are getting better.

04-24-2008 03:30 AM

Richardmid1
Senior Heliman
Location: Leeds, England

Its all about timing. Not so important with the smaller helis as they flip faster the the larger helis. You need to throw the heli up in the air with a quick punch of collective at the start of the flip, then you wont need as much negative pitch to keep the heli in the air when it flips over. When I started doing them I would just yank back on the elevator from a hover and just add loads of negative pitch when it flipped over which would really bog the heli down.

Eat, sleep, 3D, crash, repair, repeat...

04-27-2008 09:59 PM

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Aerobatic 3D Contest > Flips/rolls what am i doing wrong?

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