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HelicopterScale Model RC Helicopters › EC135 Xtreme Mechs converted to E-Power
08-20-2016 05:02 PM  13 months agoPost 41
Mojave

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Palos Verdes, Ca. USA

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Emile, yeah so far it's "the poop" There was a little bit of a learning curve to it, but it's a great FBL unit and easy to tune.

GH: The EC135 doesn't have a large disc, so no need for the 4th servo. Plus, with today's available servo technology, I don't feel the need for a 4th servo. My 1/4 scale R22 has 3/120 (HV high torque).
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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08-20-2016 08:45 PM  13 months agoPost 42
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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cool, well I have one and cant wait to try it out on something, just haven't decided what yet

drive a rotary, fly a rotorcraft

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09-11-2016 03:53 AM  12 months agoPost 43
Mojave

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Palos Verdes, Ca. USA

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So, I'm setting up my EC135 and trying to get the fenny dialed in properly. On the bench I have plenty of left rudder (with stick input) and almost no right rudder with stick input. The end points are maxed out. I'm assuming that during right rudder input, the fenny blade pitch is almost negligible, so the rotor head torque does all the work. Is this correct?
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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09-11-2016 04:16 AM  12 months agoPost 44
sean911sc

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SoCal

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Correct torque effect in play.

Right pitch 2-4 degrees and left pitch is a good 45 degrees of travel. I set pitch range via function curve (Jeti). I've just reinstalled mechanics and set tail for initial hover flight. So the first few test hovers are out of the way. Now need calm day to tune rate mode and more.

Your limited by design on the amount of right pitch. Approx 5-8 degrees of left pitch to hold tail (offset from zero).

Sean

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09-11-2016 08:35 PM  12 months agoPost 45
Mojave

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Palos Verdes, Ca. USA

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Thanks Sean, much appreciated! I just needed a sanity check, as this is my first fenny...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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09-11-2016 08:53 PM  12 months agoPost 46
sean911sc

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SoCal

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I also switched from HC Rigid to 3SX so that's another learning/setup curve to tackle.

Sean

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09-14-2016 03:05 AM  12 months agoPost 47
Mojave

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Palos Verdes, Ca. USA

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Just about ready to maiden. The spool up is awesome, belts run true, zero motor mount issues. I just need to check the blade pitch at the tips and adjust the CG. Then find some time this weekend...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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09-14-2016 03:11 AM  12 months agoPost 48
sean911sc

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SoCal

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Note on CG - rear of skids should lift 10mm before front skids.

Sean

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11-06-2016 08:55 AM  10 months agoPost 49
goodhunting

rrApprentice

Slovenia ... somewhere in Europe

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Barry

Any bess on this build? How did the maiden go?

Gh

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11-06-2016 04:43 PM  10 months agoPost 50
Mojave

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Palos Verdes, Ca. USA

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I maidened her at scale masters. It was a real handful, had a bad bobble and resonance issue. It took quite a while to sort it all out, messing with the gains etc.. It turned out to be something so simple that I almost had to kick myself in the A$$ for not catching it earlier. I was using the thick gyro tape for the Demon unit, when I switched to 3M gray double back tape, it smoothed out and purred like a kitten. By the time I got it all sorted out, the wind had kicked up so high that I didn't want to trust the fenny tail to hold. But she's flying very nicely now.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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11-06-2016 05:01 PM  10 months agoPost 51
goodhunting

rrApprentice

Slovenia ... somewhere in Europe

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great to hear that.
Klem

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11-06-2016 06:57 PM  10 months agoPost 52
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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I was using the thick gyro tape for the Demon unit, when I switched to 3M gray double back tape, it smoothed out and purred like a kitten.
so it does better on the thinner stuff not the thick spongy type?

drive a rotary, fly a rotorcraft

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11-06-2016 08:32 PM  10 months agoPost 53
MarkH

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Gilbert, AZ

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For future reference, doing a maiden at HSM can have its negatives too. Such as Spinner giving you all the advice you never wanted or having 6 guys telling you 6 different things. Barry did a fine job in spite of all the "help".

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11-06-2016 11:38 PM  10 months agoPost 54
Mojave

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Palos Verdes, Ca. USA

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Klem: Thanks bud.

Mark: LOL Thanks. Aint that the truth... The pucker factor was set on 10 when the bobble and resonance set in...

Doc: Yeah the Demon unit seems to like the thin gyro tape. She settled down immediately. I got on the laptop and brought all the gains back up where they were supposed to be.

Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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11-07-2016 01:52 AM  10 months agoPost 55
Copter Doctor

rrProfessor

Enterprise/ft.rucker ,al- home of army aviation

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Hmmm, good to know, gonna have to change that on mine, my demon is like the princess and the pea right now LOL!!

drive a rotary, fly a rotorcraft

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11-07-2016 02:02 AM  10 months agoPost 56
Mojave

rrElite Veteran

Palos Verdes, Ca. USA

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Hey bud, the Demon comes with thin and thick tape. I didn't have thin tape with me, so I used the 3M tape. I'm sure it works great with the thinner tape that comes with it.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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11-07-2016 03:11 AM  10 months agoPost 57
sean911sc

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SoCal

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6 guys telling you 6 different things
Just go with the person that's flying the same heli.

HSM 2016 was great, but too windy during the day for EC135 maiden.

Thick tape on the BD 3SX was a good catch. It was nice progression to get Mojave's EC135 sorted out. Now it's tune and fly time.

Sean

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HelicopterScale Model RC Helicopters › EC135 Xtreme Mechs converted to E-Power
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