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T-REX 450 › 3K Carbon look frame snapped in half in less than​5 mins??
03-16-2009 03:08 PM  8 years agoPost 1
matt_xb8r

rrNovice

WF, TX

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Ok so I bought a 450XL awhile back that had a few upgrades done to it, well the screws that hold the tail shaft ended up being stripped out and after a couple weeks of flying they wouldn't hold the tail boom tight anymore so I decided to replace the frame. I had a 3K carbon look frame from Align. I just spent the last couple of evenings swapping everything over and fired her up again this evening to track the blades. I flew it for a few minutes, did my adjustments and kept going. I had landed, adjusted, and taken off again 3 maybe 4 times when all of a sudden she started to shake, like wobble side to side a little. I figured something was out of whack and went to land again. Before I could get it back on the ground the frame snapped in half!!!! Both sides.....just behind the upper main shaft bearing, through the middle of the lower bearing hold, and then under the ESC. Needless to say I'm a little ticked and not sure what to think. I thought maybe I tightened screws too much and caused a fracture of something but with where this thing broke and the fact that it went through both side from top to bottom I have a hard time thinking I did it during the build. Anyone had any issues with this frame?? Any ideas on what happened??

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03-17-2009 05:47 AM  8 years agoPost 2
Ken4

rrApprentice

Singapore

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Post some pics pls.

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03-18-2009 05:18 AM  8 years agoPost 3
R38133

rrKey Veteran

USA

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That sucks

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03-18-2009 04:21 PM  8 years agoPost 4
matt_xb8r

rrNovice

WF, TX

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yeah changing that frame is a royal PAIN!!! I found a decent deal on the actual carbon fiber conversion so I just ordered that. Hopefully I won't have any other issues.

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03-18-2009 10:24 PM  8 years agoPost 5
Saint728

rrProfessor

Honolulu, Hawaii

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Do you have the frames with the alloy bearing block or the plastic bearing blocks?

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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03-18-2009 10:26 PM  8 years agoPost 6
Saint728

rrProfessor

Honolulu, Hawaii

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Never mind, I see you are using the 3K plastic frame set for the XL. I think the 3K carbon look a like frame is more brittle then the stock XL plastic frame set. It's the same for all 3K fake carbon parts, like paddles and tail blades.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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T-REX 450 › 3K Carbon look frame snapped in half in less than​5 mins??
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