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HelicopterBlades and Night Flying › Blade Twist
09-01-2003 11:16 PM  14 years agoPost 1
Tom DeWinter

rrVeteran

Quad Cities, IL

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I've been flying FRP blades from Airborne Models on both my R30 & R50 and have been happy with them. That is, until now.

After a rebuild my R50 just didn't fly or feel right. As I was going over setup I discovered that one blade had four degrees less pitch at the tip than at the root. The other blade had two degrees more pitch at the tip. No wonder they were hard to track and went out when inverted.

I pulled out another set and found them with one blade at +1, and the other at -1.5.

What is an acceptable deviation?

What blade would be a step up without breaking the bank?

Is it common for higher priced blades to be twisted?

Thanks,

Quad Cities RC Whirlybirds -- FunFly July 12 & 13, 2008 Davenport IA
Plan Now to Attend!!!

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09-02-2003 01:03 AM  14 years agoPost 2
ESchmidt

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Salem, NH

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Twisted Blades

There should be no twist to the blades. If they're warped, send them back for a new set.

If you're looking for good quality, reasonably priced blades, take a look at the Thunder Tiger carbon blades. They're about $70 for a set of 600s.

Eric

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09-02-2003 02:25 AM  14 years agoPost 3
shawgl

rrKey Veteran

Murrieta, CA

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Sounds like a bad batch!!! Or someone in quality had a long night at the bar the night before. I have flown SAB 550's Glass, CMT Carbon 550's and 580's along with Maverikk 550 glass blades. all were less than 60 bucks a set and all were performers. I would say unless you are that advanced stay with the fiberglass ones, You will save a couple bucks and you won't tell the diffrence.

In God we trust, everyone else we monitor.

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09-02-2003 01:03 PM  14 years agoPost 4
Tom DeWinter

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Quad Cities, IL

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Thanks Guys,

I realize that no twist is the ideal. But never having bought "good" blades, I didn't know if some small amount was bound to occur and no big deal.

Quad Cities RC Whirlybirds -- FunFly July 12 & 13, 2008 Davenport IA
Plan Now to Attend!!!

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09-02-2003 04:26 PM  14 years agoPost 5
cquinby

rrApprentice

Tenino, WA

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Tom,

This maybe a stupid question but did you check your spindle shaft? If it is the slightest bit bent you could get reading like this... I had the same issue with my Rappy 50 and finally pulled the spindle out and found it to be off just a tad, replaced it and all was good again...

Just curious...

Chris

Chris

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