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T-REX 450 › 350mm blade--Stretch kit??
03-06-2008 05:28 PM  10 years agoPost 1
jascamera

rrVeteran

san francisco, ca

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Hi,

Anyone know of a stretch kit for the 350mm blades for the 450?? Or exact parts that I can buy. I want to use this blade for AP.

http://www.helidirect.com/product_i...roducts_id=5926

Or do you think I can get by, by pulling the stock boom out a few mm? I don't flip, or loop with this setup.

Jason

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03-06-2008 05:51 PM  10 years agoPost 2
Boidman (RIP)

rrKey Veteran

The Home Stretch

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I once thought a little about using 350's. I didn't pursue it, for no real reason.

A quick measurement gives around 10+ mm of interference with the tail blades. With the correct belt, it doesn't seem like a horrible idea to slip the boom out some at each end. I might cut a narrow ring (3-4mm ?) from a spare boom to stick in the tailcase, and make up the rest up front.

There was someone who made several posts about the 350's he was using. For whatever reason, he did not seem bothered by the potential contact with the tail blades. In mostly gentle upright flight it may not be a too serious risk. An unusual conditions hard landing could be a problem though.

Will be interesting to hear if others have done the extension, or you go for it.

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