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1. 06:31 AM - Re: Re: Landing gear shimmy (Gerd Nowack)
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Subject: | Re: Landing gear shimmy |
John,
You`re practically sitting on the spar box!
Don`t you think your tender behind would feel the vibration if thered be any?
I can assist the voiced opinion that the unbalanced wheel pants play an important
role in the shimmy drama: So far I have made high speed taxi tests with my
D-ELIY up to 55kts on the runway, no wheel pants installed so far, and observed
absolutely no shimmy, neither empty nor fully loaded with wife Uli and full
tanks.
BTW I hope to get my german Permit To Fly in July. Or so.
Gerd kit no.89
-------- Original-Nachricht --------
> Datum: Mon, 28 May 2012 07:40:51 -0700
> Von: "jeynon2" <jeynon2@frontier.com>
> An: lightning-list@matronics.com
> Betreff: Lightning-List: Re: Landing gear shimmy
>
> Has anyone considered torsion in the spar box as a possible culprit for
> the shimmy? The video shows both legs vibrating forward and back, and it is
> the spar box that links the two. This could also explain why stiffening
> the gear legs has little effect. You might check to see if the holes through
> the fiberglass for the bolts that attach the spar box to the fuselage have
> elongated indicating some slippage which would allow the spar box to flex.
> Perhaps just re-torquing the bolts would help.
>
> John Eynon
>
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> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=374087#374087
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