windy weather for TREX? - RC Groups
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Apr 26, 2007, 02:35 AM
Registered User

windy weather for TREX?

I have got my first heli - a TREX 450 SA a few weeks ago.
I've crashed it a couple of times, fixed it and (learn to) fly again. I can hover tail-in and sideways. A few of my crashes were due to windy weather - the heli went high fast and had to bring it back somehow

What do other people consider a windy weather for TREX helis (or other helis)? Of course, it depends on experience - but what is the wind speed other people are comfortable flying?
Personally, I think I have to be careful at 8+ mph and stay grounded at aprox 12+ mph. I fly in a medium size parking lot with trees nearby. Also, I hover in my backyard.
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Apr 26, 2007, 02:46 AM
HeroInSky's Avatar
Just try not to fly in 8 mph wind. Its very unpredictable and RC helis don't have the same predictability as real life helis. When weather is bad, even the airport also grounded their planes.
Apr 26, 2007, 07:24 AM
Registered User
BOING's Avatar
I've flown in windy conditions, in excess of 20 mph, but I fly better 10 mph or lower. You can really see it bounce after 10 - 15 mph. Not too long ago, I took er up in the wind. When I got it kind of high, the wind just took it away, the heli started tumbling into the wind and drifting further and further away. I don't know how I recovered, but I landed shortly after that
Apr 26, 2007, 07:32 AM
Lifetime Member
JohnM's Avatar
When flying in high winds, a high headspeed helps. You also need to have enough negative pitch and matching throttle curve.

Apr 26, 2007, 07:34 AM
Pantera .61 - Yeah Baby!
jermo's Avatar
Increase your headspeed. T-Rex450 SE flies fine in wind. When you pitch the rotors up into the wind it will act just like any airfoil and be lifted/pushed up and with the wind. Pitch your rotors down into the wind it will be pushed down and away with the wind.

Hold the rotors level with the wind and she'll just stick. True you aren't going to do alot of 3D but you can fly. It's also a good setup to practice auto's.

I'm running 3k headspeed with 325pro wood blades. The hardest part of flying under windy conditions is the takeoff/landing IMHO.

I hang out on so if I don't respond immediately that's why.
Apr 26, 2007, 09:01 AM
Registered User
13+ and the fun starts to go away. I learned to hover in 10-15 mph wind. Just make sure you have neg col. you don't need to have idle up. that will just give you one more reason to crash. When you get comfortable in FF then get into idle up.
Apr 26, 2007, 10:18 AM
I fly a 450SE with a JGF450TH motor on a 13t pinion with %100 on the throttle curve and I have no problems flying in high winds. I have taken it out in as much as 30+ MPH but it was not really flying more like battling the wind (but still doable). Now, I really don't fly if it is much above 25 MPH.
Apr 26, 2007, 01:10 PM
Registered User
Thanks for suggestions. Iíll increase the head speed to see if thereís a difference.
I currently fly with 325 wood pro blades. I wonder if 335 CF blades will make a difference regarding the stability of the heli.

The key here is probably to practice more Ė hover high (15+ feet) on low wind weather and then try anything stupid on 10+ mph windy days.

Are bigger helis more stable in the wind? What about TREX 600?

Whatís the side-effect if the blades are not well balanced/tracked? More vibrations and lack of stability?

As a beginner Iím still learning to fly. Iíve read Raddís and John Vuggtís lessons at:
Are there any other good ďlearning to flyĒ websites?
Apr 26, 2007, 01:37 PM
Pantera .61 - Yeah Baby!
jermo's Avatar
yes bigger is more stable..
check this out.
Apr 26, 2007, 03:07 PM
Suspended Account
i would engage your idle up to combat the wind, using neg pitch in normal is ok for normal but not good for flying in the wind as you may chop the throttle to low and stop the chopper, best to get used to ideleup and use it to its benefit, you d be surprised how much neg you use to keep it down in windy conditions.
Apr 26, 2007, 03:42 PM
Pantera .61 - Yeah Baby!
jermo's Avatar
Originally Posted by d llim
<cut>as you may chop the throttle to low and stop the chopper, <cut>.
don't ever "chop the throttle" when you get into trouble. If you're sure your bird is going to hit the ground hit Throttle Hold. Chopping the throttle is a very bad habit that will cost you lots of cash over the long run.
Apr 26, 2007, 06:35 PM
Needs a vacation
thermlin''s Avatar
I just had mine out in about 6-8mph, but id trust it, and my skill to 10 or so. What made a problem was the turblulence coming from mine and my neighbors house. One second its blowing one way, and up, the next itll come from behind, and push down, and so on. A steady wind of 10 is easier than a gusty 5-8.
Apr 26, 2007, 06:54 PM
Registered User
Oh, yes, I was told to be careful of gusting winds and watch out for turbulence when I fly in my backyard.
For some reason, I didnít have too much turbulence in my yard Ė probably because Iím a little bit protected by vegetation (trees, bushes) and the house itself. Of course, I donít go 6+ feet high when flying in the yardÖ
But itís way more convenient to fly in the backyard. Iíve hanged a ribbon in a tree and I can watch for winds. Thereís grass in my yard and, since I start flying my heli, the lawn is very well taken care of (low cut grass) :-) However, after a crash at take-off (from grass), I installed my training gear back
Apr 26, 2007, 07:10 PM
My hobby is why Im broke
darthdrk's Avatar
Ive flown comfortably in 10mph winds. Anything above that and it gets a little tense. If the wind comes in gusts youre going to battling maintaining a descent hover. You will always be comphensating for the wind gusts. But it will aid in sharpening flying skills and keeping the ole fingers nimble.
Apr 26, 2007, 08:16 PM
I Break Stuff
Originally Posted by ciprian
..after a crash at take-off (from grass), I installed my training gear back
I've been enjoying my backyard also. A square of plywood or low pile carpet serves well as a mobile launcher and landing spot.

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