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HomeMy Site✈️Aircraft🚁HelicopterHelicopter Main Discussion › Crashed a buddy's heli :(
04-05-2013 10:51 PM  6 years ago
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Funky Trex

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Westerville, OH - USA

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Crashed a buddy's heli :(
I have been helping a new guy setup his Raptor 50. It is a Titan with an RJX flybarless head. We installed a new 7200 on it and set it for a modest 10/10 degrees. It has a Redline engine running 2100. He has flown it a few times since I setup the Beastx but has been running the motor very rich.

Yesterday I was helping him tune the motor so I was doing some tic-tocs, rainbows and hurricanes to work out the motor and get some good temps on it. After the first tank of tuning, the motor was running much better with temps right under 200 on the head so I did a normal flight on it to see how the heli flew overall. It was flying fine, although it felt less locked in than my helis running the 7200. It did fine, just didn't have that "flying on rails" feeling. About 4 mins into the flight, I was flipping it around and got it up about 60feet, flipped it forward and when it started diving, it would not pull out of it. I tried to pull up the nose 3 times, but there was no response. I did give an aileron input on the way down which did rotate the heli so it was still in range and I don't think it is a radio/rx problem. I was also able to hit throttle hold right before it hit the ground.

I feel really bad about the whole thing. This is the first time I have wrecked someone elses heli. I have had it happen to me a few times and know how it feels when you watch your heli go in and you aren't on the sticks. Luckilly I have most of the parts to put it back together, but I'm still a little worried since we don't know why the elevator wouldn't respond. The heli is running 3152s. I know these are pretty cheap servos. Are these even safe to run in a 50 size heli? Especially with a mechanical mixing setup and flybarless head?
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04-05-2013 11:21 PM  6 years ago
Avea8tor

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Middletown, De

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Definitely sounds like a mechanical failure versus a radio problem. Maybe the elevator servo failed, the elevator wire pulled out of the beastx, or the linkage came apart?

It's a bummer that you crashed the new guy's Raptor, but, its fair game. They break, they crash. We all understand the risk every time we fly one (or let someone else). Its not like you hovered it into the dirt. If it wasn't for people like you helping out the less knowledgeable guys like me, we'd have a learning curve that would be too steep to handle.
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04-05-2013 11:49 PM  6 years ago
Funky Trex

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Westerville, OH - USA

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The links were still connected and the ELE servo was still plugged in when we got to it. We checked all the servos when we got to the heli to make sure everything was responding correctly and it seemed fine (besides being smashed nose first into the field). The heli was about 100yds away and I didn't think to check the servo for heat right away so everything was cooled down by the time I checked it.

I am the first to admit when I dumb-thumb a heli, but I really think this was something else. I had plenty of time to try the elevator input 3 times followed by the aileron input and still hit hold before it hit the ground, so it wasn't an instant crash.
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04-06-2013 12:17 AM  6 years ago
wrongler

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Brewerton, New York

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I know you probably feel bad. But what Avea8tor said was right on.
If it wasn't for guys like you, Guys like me wouldn't be flying. I'm sure your buddy is fine with it!
If you are lacking any parts let me know, I may be able to help you out.
Bill Whittaker
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04-06-2013 12:32 AM  6 years ago
Duosport

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Morral, Ohio - USA

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I am kind of a noob at this hobby...when someone is helping me and flying my stuff I always tell them..."if it goes splat it's on my dime" I am always greatful for the help. Besides, it's cool seeing a skilled pilot beat the tar out of my heli! Wish ya could by skill!
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04-06-2013 12:36 AM  6 years ago
newheliguy1

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Frazeysburg,Ohio

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it was my heli
Yea it was my heli that crashed and it was all good. I told him to fly it and knew the risk and was fine with it. I told him it is no problem and between the 2 of us we had all the parts to put her back in the air. He is a very good pilot and was beating the **** out of it till the servo gave out and I don't fault him for the crash at all could have been me just as easy! I just really appreciate him helping me with setting it up and tuning it and she will be back in the air with all new servos(S9452 on cyclic and 8900g on the tail-Thanks to funky for hooking me up with a deal on those). No worries man.
Kurt
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04-06-2013 12:39 AM  6 years ago
GetToDaChopper

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Las Vegas , NV

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Wow not many people would talk about crashing someone else's heli on a open forum, that takes some guts to do, that's what i call stepping up....

sorry that happened, hopefully your buddy's not too mad at ya.....
    ▲
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▲ ▲ ▲ One of a Kind !!!
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04-06-2013 05:09 AM  6 years ago
freakyreef

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Kansas\Colorado border

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Golden rule. If you ask to fly someones heli, it is your dime. If they ask you to fly it, for whatever reason, it's their dime. As long as that is understood up front there should never be an issue.Walk on water long enough, eventually you will get your feet wet.
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04-06-2013 05:29 AM  6 years ago
Funky Trex

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Westerville, OH - USA

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Kurt has been very nice about the wreck. Nobody wants a crash, and it is that much worse when you aren't on the sticks. I definately feel bad about the whole thing, especially since it is a new heli that he has never wrecked himself. I started to push it pretty hard that second flight and I should have probably just backed off once we got the engine dialed in. I had my doubts about those servos when we set it up, but once we got the engine tuned, I went into my normal flying routine to make sure everything felt right and wasn't thinking about the electronics. I have a feeling it was just too much to ask from the 3152s after a few minutes of 3d flight. None of the servos were stripped and all seem to work fine after the wreck. I run the older 3151s as throttle servos on some of my nitros but this was my first time flying the 3152s.

I would feel a lot better if we knew the cause of the wreck. A dumb thumb would be better because that can be avoided, but having a control not respond is much worse IMO. I also own a Raptor Titan and between the 2 of us we have all of the parts and the heli is nearly fixed so that is not an issue, but I wish I knew the cause of the failure so it doesn't happen again. We are replacing all of the servos with much better gear so I just hope that was the cause. Has anyone else had issues with the 3152s?

Edit: looks like his heli is an r50 v2, not the Titan. I have a spare Titan boom, but his belt is too short. Does anyone have a spare Titan Mavrikk belt or r50 v2 boom? If so, please send me a pm with your price, I would like to get this heli finished and back in the air. Paypal ready, just let me know.
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04-06-2013 12:33 PM  6 years ago
helibeast

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Mn

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Golden rule. If you ask to fly someones heli, it is your dime. If they ask you to fly it, for whatever reason, it's their dime. As long as that is understood up front there should never be an issue.
It is that simple.

But it isn't,life is perception. No one is responsible to fix your bird but you. If you hand over your radio,it is all on you. I never hand over my radio,I own all of my repair bills.

Just my opinion,never fly any heli hard unless you own it.
Champion,Magic,MiniBoy,Xcell60+50,Intrepid,Intrepid Gas,Baron30,Whisper,300X,mCPXv1v2,Concept,Nexus
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04-06-2013 01:36 PM  6 years ago
wrongler

rrProfessor

Brewerton, New York

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My buddy goes through my helis after I (attempt)to set them up (I'm still learning) and usually has a few changes to be made. He normally test flies them before I do, The green lite is his to do what ever he wants. If there is a problem its on me, I wouldn't have it any other way!Bill Whittaker
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04-06-2013 03:46 PM  6 years ago
ThumbBumper

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A little to the right and down!

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freakyreef said it all: The rule of thumb we go by is if someone asks you to fly their helicopter and it crashes it's their problem. If you ask to fly it, it's your problem.If it ain't broke, go fly some more!
http://facebook.com/groups/TORCHS/
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04-06-2013 04:17 PM  6 years ago
ICUR1-2

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Ottawa, Ontario

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^ very good rule spending time, paying attention
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04-06-2013 04:31 PM  6 years ago
Tron

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Morgan Hill, CA

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If not servos, links,or connectors, canopy could have slipped off body clip mount and jammed the elevator preventing aft cyclic input.
I'll look thru my inventory and see if I have a Titan belt and let you know.
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04-06-2013 04:39 PM  6 years ago
stubbs

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Tuscon, AZ

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Yea it was my heli he crashed and it was all good.
No, it's your heli THAT crashed. He didn't "crash it".
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04-06-2013 05:12 PM  6 years ago
freakyreef

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Kansas\Colorado border

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IMO. It doesn't matter if it is mechanical or dumb thumb. By ASKING to fly someoneones heli you are assuming the risk. Sure something mechanical can happen and you can have a crash, just as if it were yours.
I have test flown helis for others when they have ASKED me to help. I always make it clear that I am helping them set it up and am not liable for damages caused by a crash, however I also do not do anything during that test flight I am not 100% confident in doing. This leaves either a mechanical failure and a very small chance of dumb thumb.. If after setting it up I choose to fly beyond what I would call a test flight then I would assume the costs.

Not trying to stir anything up. Just saying if the "rules" are set up before hand, whatever those "rules" may be, then there is no chance of hard feelings on either side should something occur. An ounce of prevention is worth a pound of cure.
Walk on water long enough, eventually you will get your feet wet.
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