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Home✈️Aircraft🚁Helicoptere-AlignT-REX 700 › Bent Grip Arm
06-02-2011 02:27 AM  9 years ago
Topic Vote0Post 1
Sam2b

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Tacoma, WA

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Bent Grip Arm
Can this grip arm be bent back straight?
My fat gut says replace it, but my brain says save $60. The bend to straighten would be minor. It happened during a full power impact on soft dirt at 2,000RPM electric 700E.

Click image to enlarge.
_Sam B_
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06-02-2011 02:44 AM  9 years ago
Taipan

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Sydney, Australia

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Not worth the risk in case it snaps off later on, replace it.
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06-02-2011 02:57 AM  9 years ago
jsenicka

rrProfessor

Eagle River, WI

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i would have to agree. Although I would likely keep it around as an emergency spare :-)Jim Senicka
Team Manager, GrandRC Flight Team
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06-02-2011 03:34 AM  9 years ago
Paul Woodcock

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Dubai - United Arab Emirates

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Hi

Throw it in the trash.....
You will forget about the $60 sooner if you don't see it and if you decide to not use it for safety reasons, you never want to be tempted to use it.

Regards
Paul
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06-02-2011 05:39 AM  9 years ago
koppter

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Virginia

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i had the same thing happen with one my 600s and a 700. the metal is soft and will bend back easily. sometimes the link bends and if it corkscrews out, needs to be replaced. but otherwise, with the link on, the arm can be given a couple of good whacks with a rubber mallet, check it for alignment and off you go.
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06-02-2011 05:54 AM  9 years ago
Sam2b

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Tacoma, WA

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All very interesting, guys. Thanks. If I were to attempt to straighten it I would slowly bend it, not by hitting it. I ordered new grips but may attempt to bend it back for a hand full of flight this weekend only and not be as hard on it. I'm sure the Vbar would not like this delta from the bend._Sam B_
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06-02-2011 08:53 PM  9 years ago
Richardmid1

rrProfessor

Leeds, England

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Just adjust the links to get the blades back in track and your done. Im sure the Vbar won't tell the difference.60% of the time, it works every time!
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06-02-2011 09:43 PM  9 years ago
Sam2b

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Tacoma, WA

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Thanks, Richard. I finished bending it back but this is a very temporary solution until my new grips arrive. I don't feel safe with potentially fatigued metal swinging at 2000RPM. I'll try to take it easy in the sky and fly higher to keep people out of the plain of rotation. Everything within me says "don't do it" but I'm riding on Seattle desperation with this Saturday & Sunday both being 75F degrees - the first >65F degrees we've had so far this year!! Gotta fly!!

I wish I could get away with it, but this angle creates a delta which is <90 degrees between the linkage and grip. While small this asymmetrical geometry is likely to cause less than optimal performance with the Vbar since it relies on perfect geometry.
_Sam B_
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