Finite Element Analysis of Esky BeltCP Frame
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Uploaded by charlester on Jul 17, 2007
Normal mode analysis using Nastran/Patran. For more info on this research, give me a message.
Uploader Comments (charlester)
All Comments (8)
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thanks for the reply charlester :)
thats some amazing software !
and good food for thought, im going to try mounting my gyro on some sorbathane to see if theres any difference.
mine occasionally suffers from random tailswing and i have no idea why.
also going to look and see if anybody has used this software on a carbon fibre frame.
man youve got me interested now, clever stuff.
thanks again.
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don't have it on video..it's at work..i will see.
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dont work for them, let me see your video though!
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so you work for e_sky? may seem so or not,so therefore i've done this with my 4-wheeler frame with unigraphics nx4..please respond..
d
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it looks cool but errr whats it showing ?
does it show potential weakness in the frame ?
armolite 3 years ago
Arm, every object has a frequency or set of frequencies at which it vibrates when disturbed/tapped. The best example of this is a tuning fork which vibrates at a set frequency when you tap it. Also, if the fork itself is vibrated at this frequency by an outside force, it will resonate and produce a sound as well. If we find this frequency/ies for the frame of a helicopter, we can try to avoid them during flight to avoid resonance which will lead to inteference with the electronic gyro.
charlester 3 years ago
LOL it keeps wobbling.
Irrit8d 4 years ago
just like my beltcp in flight =(
charlester 4 years ago
if your belt-cp wobbles like that then the you have to do some blade tracking, if not, you have to check the tightness of the blades onto the grip, too tight then takes too much spin to get the blades in the right position ion take of, too loose then your belt won't have much bite or wont respond that well during flight. those are the only problems i sorted out when my belt wobbled like that
dietrich183305199351 3 years ago
Thanks so much Dietrich, I'm gonna try retracking and changing the tightness today.
charlester 3 years ago