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Noel
Joined: 13 Jan 2006
Posts: 21
Location: Montreal, Qc, Canada
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 Posted: Sat Apr 15, 2006 10:43 am Post subject: Shaking strut ... |
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Hello all !
I have often noticed some vibration of the wing struts of my Twinstar MK II .
This happens at a given RPM when the strut seems to hit a "resonance" point and start to vibrate. This never bothered me too much as it seems to only happens at a RPM of around 4500 .
Now ... i took some picture with my camera phone while flying yesterday
that happens to "catch " these vibrations on the picture.
I have been quite surprised when i saw that picture with the apparently quite large amplitude of the vibration ! Quite amazing ... but it could also be
an optical "effect" created or amplified by the relatively low shutter speed of the camera ...
In any case i am now thinking of installing wing strut fairings to try tio fix the "problem" .
I have seen some modular plastic fairing that can easily be installed on a Rans S-12 (i think) ... These are made of 2 plastic parts that "snap" together to form a "water drop" shaped fairing ...
Any one could submit a source for these ?
Good and safle flying to all ...
Noel Bouchard
Twinstar MK II
350 Hrs
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| Description: |
| Vibration in a Twinstart MKII wing strut |
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Blumax008(at)aol.com
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| Posted: Sat Apr 15, 2006 10:58 am Post subject: Shaking strut ... |
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In a message dated 4/15/2006 2:44:16 PM Eastern Standard Time,
noel(at)teledata.qc.ca writes:
In any case i am now thinking of installing wing strut fairings to try tio
fix the "problem" .
My '04 and 503 powered Firestar II does the same thing depending on how the
503 feels like eating it's oats. I have the strut fairings too...same deal. I
let the sumbitch vibrate. If the strut fails, I got the 'chute.
Wild Bill Catalina
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Bob Dalton
Joined: 09 Jan 2006
Posts: 68
Location: Manteca, Ca
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| Posted: Sat Apr 15, 2006 12:37 pm Post subject: Shaking strut ... |
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Noel,
Look's as though the strut is distorted from your lexan being photographed
through, you do have a canopy on right. Look at the landscape you will see
your straight lines are distorted also. Just my guess though.
Bob D.
Do not archive
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_________________
Bob Dalton
Manteca, Ca.
wiserguy@comcast.net |
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