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10-12-2005 01:52 AM  12 years agoPost 1
gmcullan

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Southbridge, MA

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OK, I did it again this evening. Hovering in the kitchen, I drifted a little too far and nicked a rotor blade on a chair. Not a bad nick, but enough to adversely affect flying qualities.

I've done this to three sets of rotor blades with the damage ranging from 1/8" to 1/4".

So my question is, can I trim the blades (lengthwise) back these amounts, rebalance as required, and end up with a viable set of rotor blades. My thinking would be to harden the ends of the trimed blades with a light brushing of medium viscosity cyanoacrylate.

Anyone successfully do this?

Best regards,

Gerry Cullan,
Gaui 200, 255; T-Rex 250, 450 SE & SA, Mini-Titan, Blade 450

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10-12-2005 05:11 PM  12 years agoPost 2
R Hudson

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Denver, CO

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Yes. I did that exact thing.

I nicked the tips by flying recklessly indoors.

I know that there are better ways, but I simply measured and cut-off about 1/2 inch (that's how much was dmamged) from each blade with a hobby knife, then I carefully spread some CA(not too much!) over the tips to seal the covering and harden the tip. They fly a little different from stock, but I've had no problems. It seems like the headspeed is slightly faster and the heli is slightly more twitchy, but they work.

The tips have since seen regular contact with terra firma without breaking-up.

Hope this helps.

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10-12-2005 05:38 PM  12 years agoPost 3
johnny b

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Central Coast, CA

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Good to know.

Figure that many sizes of blades will usually work on a typical heli, as long as they are still structurally sound after the trimming and rebalanced, makes sense to get some extra life out of them.

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10-12-2005 07:15 PM  12 years agoPost 4
R Hudson

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Denver, CO

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Yes, why not get more life out of them?

I'd never think of doing this with a larger heli, but with these small ones with a simple blade design it's no problem.

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10-13-2005 12:54 AM  12 years agoPost 5
gmcullan

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Southbridge, MA

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Thanks for the comments. Time to trim the blades and see how she flies.

Gerry Cullan,
Gaui 200, 255; T-Rex 250, 450 SE & SA, Mini-Titan, Blade 450

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