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From: Charlie Kohler <charliekohler@yahoo.com>
Subject: Re: [LML] Gear Door Issues
In-Reply-To: <list-3566386@logan.com>
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Hi Ed & Janie,
Congrats on this excellent solution to this problem. All I need is the part #.

Good news on the Insurance front to come later. 

Charlie K.


--- On Tue, 3/31/09, Janie & Ed Smith <2luv2fly@cox.net> wrote:

> From: Janie & Ed Smith <2luv2fly@cox.net>
> Subject: [LML] Gear Door Issues
> To: lml@lancaironline.net
> Date: Tuesday, March 31, 2009, 9:42 PM
> Monday Evening
> 3/30/09
> 
> Group,
> 
> On the take offs during our testing phase, I could always
> hear the main gear doors "slam shut" - even though
> I was wearing a noise-canceling headset. The sound reminded
> me of an old wooden screen door slamming - it was that loud.
> 
> After the test phase, I noticed that the right main gear
> door flange was beginning to form a hairline crack in a
> couple of places.  I asked several people if they had ever
> had this problem and the consensus was that the
> "slamming" was nothing unusual.  I tried adjusting
> the hydraulic pressure, using a weaker spring on the back of
> the gear door and even adding the second spring on the gear
> doors.  Nothing corrected the problem and the
> "slamming" continued.  I thought about changing
> the location of the "reducer fittings" on the main
> gear cylinders (from the rear to the front), but decided
> against that - not knowing what effect that would have on
> the emergency hand pump.
> 
> During all of the test cycling of the gear, it appeared
> that the cylinder, when it was almost at the end of its
> stroke, that there was no resistance to the pull that the
> gear door springs were exerting - resulting in the
> "slamming".
> 
> Bob Pastusek suggested that I look at a "snubber"
> to help cushion the last inch of travel of the gear leg. 
> Net result - it worked!!  I ordered the snubbers from
> McMaster Carr and received them in two days (from NJ).  The
> mounting blocks that are available with the snubbers have a
> 2-1/2" hole spacing and that happens to be the exact
> hole spacing of our nylon "stop blocks" that our
> gear rests against when retracted.
> 
> Long story short - problem solved.  Now we can move on to
> the other "opportunities" that we have to work on.
>  <grin>  I have enclosed some photos of our
> installation so you can get an idea of what I'm talking
> about. If anyone needs the "snubber" information,
> just let me know.
> 
> Regards,
> 
> Ed Smith
> Chesapeake, VA
> N9JE - flying with easy-closing gear doors! --
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