Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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 Posted: Sat Feb 04, 2006 1:01 pm Post subject: Seat abrading main gear structure - ALERT |
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Allegro Flyers:
Main Gear Area Abrasion ALERT
While at the hangar yesterday showing the Allegro to someone, he looked under the seat and noticed that the re-enforced area of the fuselage bottom (seen inside) where the main gear leg attaches, there was evidence of abrasion and gradual deterioration of this very important area. Upon investigation, I determined it was caused by a rivet used to fasten the seat support webbing to the fiberglass seat shell. The rivet protruded enough to hit the front edge of the gear re-enforcement area the way I had the seat adjusted. I am relatively short in leg but long in torso so I had the seat back dropped down far enough and the seat moved forward enough for this to occur. I didn't have my camera with me so I did not get a picture of this. HOWEVER, I borrowed a picture from Aero-Siam's website that showed just the area the problem occurred. I've marked up a copy of Paul's picture and attached it here.
Note that this could occur on either seat at either rivet location and either in the front or back part of the gear leg attachment re-enforcement location.
I am copying this to the factory and all known dealers. I am raising my seat backs so this does not reoccur or get worse and will be patching this abraded area as soon as I can. I hope the factory can develop and recommend a solution to this.
Thom in Buffalo

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