Lightning-List Digest Archive

Tue 05/29/12


Total Messages Posted: 1



Today's Message Index:
----------------------
 
     1. 06:31 AM - Re: Re: Landing gear shimmy (Gerd Nowack)
 
 
 


Message 1


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    Time: 06:31:09 AM PST US
    From: "Gerd Nowack" <nowacklinden@gmx.de>
    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 > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=374087#374087 > > > > > > > > > >




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