Mailing List lml@lancaironline.net Message #52147
From: <vtailjeff@aol.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Re: L IVP on jacks
Date: Mon, 13 Jul 2009 11:43:33 -0400
To: <lml@lancaironline.net>
Bill,

Sorry to hear about your misfortune. As to jacking the IVP --an engine hoist IMHO is asking for trouble. Also, the narrow spread between the two forward jack points causes a lot of left/right rolling while on the jacks. Having the airplane supported by the jackpoints under  the forward spar and an engine hoist that can only provide an upward force is like balancing the airplane on a beachball. This is not the first IV to fall off the jacks.  I built a tail jack that has an adapter that screws into the tail tie down receptacle. This stabilizes the aircraft nicely fore and aft and prevents the aircraft from pitching up and down.  

Best regards,

Jeff Edwards


-----Original Message-----
From: Bill Edwards <wpedwards@hilgardhouse.com>
To: lml@lancaironline.net
Sent: Mon, Jul 13, 2009 7:32 am
Subject: [LML] Re: L IVP on jacks

Art, the Lancair inspector put a heavy bench with tires under the tail.  It was pretty well supported I thought.  However, when I personally the plane up on jacks in my hanger,  I used a large engine hoist and held the tail up with a heavy duty horse belly band with a test strength of several thousand pounds.  It was easy to jack up and let down, and if worse came to worse the plane would stay in the air without the wing jacks at all.
 
I believe that even though I provided assistance,  Lancair was liable because they were in charge of the plane.&nb sp; However…if in the unlikely event that I should ever be involved in a Lancair inspection again,  I wouldn't come within 20 miles of the event.  Bill
 
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Art Bertolina
Sent: 07/12/2009 2:52 PM
To: lml@lancaironline.net
Subject: [LML] L IVP on jacks
 
Bill
sorry to hear of your misfortune with the inspection.
Something that may be of help for those putting their
planes on jacks in the future. Along w ith the jacks and engine hoist I use a tail support that stops the tail from
swinging back and forth( which makes it more probable
the plane will come off the jacks). The support consists
of two 10'  2x4s with a 2' piece across the top to form a
T put carpet on the cross member, an eye screw 2' from
the bottom of each T. Take a cargo strap( I use a second
for backup) to connect the eye screws, put the top of the
T under either side of the horizontal stab. As the plane is
jack up use the cargo strap to keep the T's snug under the
stab. This setup will keep the tail from swinging back and
forth. Don't forget to loosen this as you lower the plane. Bill
yours is the only experience I have heard about the inspection, not a store to instill confidence. If you have an
inspection and don't provide any assistance would they
accept responsibility for damage and repair.
Art     
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