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HomeAircraftHelicopterMain Discussion › My first flight with the new servos and I crashed!
03-08-2008 07:46 PM  10 years agoPost 1


Haifa, Israel

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Had my first crash yesterday after flying 5 gallons on my Hawk,
right after replacing my S3151 with brand new S9250 and S9252. Crash was due to pilot error
Luckly, all electronics are ok, I think. On one of the servos, the arm broke off but the servos works fine - should I be worried?

The feathering shaft got bent pretty bad (also the spacers) but its bearings look ok. Do I need to replace them?

I also broke the boom and drive shaft, flybar, main blades (woodies, do I need to replace the main blade holder? they look ok...), bent the lower frame (can I straighten it and use it again?) and some cosmetic damage to the canopy.

03-08-2008 07:59 PM  10 years agoPost 2


San Rafael, CA

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I would replace the main blade holder - if they are fatigued in any way, they could break the next time you fly unexpectedly.

Personally, I would add up the cost of all of the broken/questionable parts & compare that to buying a new Hawk pro/HeliMax Kentic 50 off of the forums or eBay. You may find it is cheaper to start fresh & use your old heli for spares.

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03-08-2008 08:07 PM  10 years agoPost 3

rrElite Veteran

Lafayette, IN

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Open the servo with the broken arm and have a good look at the gears under magnification if you can. There could be damage you cannot detect just by running the servo.

Never, ever, ever, ever give up.

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03-08-2008 08:10 PM  10 years agoPost 4
Steff Giguere


St-Eustache, Quebec, Canada

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If the servo arm broke I would open the servos to make sure that all the gears have all their teeth.

Team Synergy, Rail blades, Team Scorpion, V-Team

03-08-2008 10:28 PM  10 years agoPost 5


Adelaide South Australia

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A crash that bent the feathering shaft will have done some damage to the bearings. As already said, replace them rather than risk the heli for a few dollars.

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03-09-2008 12:18 AM  10 years agoPost 6


New Zealand

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I'd go a step further, and suggest you replace all the servo gears, as you may not be able to see a hairline fatigue fracture. A broken servo arm implies a significant force on the geartrain.

With time, you'll find you keep a stock of servos, much as you do engines, flybars, booms etc. There are no medals for downtime!

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HomeAircraftHelicopterMain Discussion › My first flight with the new servos and I crashed!
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