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Re: Jacking up

Subject: Re: Jacking up
From: Europa Aviation Ltd <enquires@europaaviation.co.uk>
Date: Wed, 23 Apr 1997 08:28:35
>Another method, which allows the gear to be exercised is:-
>
>Put a strong  tube around 2 " diameter (scaffolding pole) through the wing
>holes, spreading the load on the top of the apertures with wood blocks.  Lift
>the tail  about 18" (easy)  with someone maintaining lateral balance, then
>support the tube as high as it will go at each end on stands.  Then you can
>depress the tail (again easily) and the  front will rise clear of the ground.
>Tie down the tail, or better, support the engine under the front bulkhead.  
>
>It even works while on the trailer, but you have to  pull  the a/c forward a
>bit to get the tail wheel out of the clamp, after lowering the  front wheel
>ramp  to the horizontal for the tyre. If you have reinforced your trailer
>wing supports, they can provide lateral stability and it can all be done
>single-handed.  With acknowledgment to Ted Gladstone who produced the
>hardware from his Aladdins cave..
>
>Suggest the surplus reaction plates be bolted into the planet's surface for
>tie downs ?
>
>Graham C.
>
>Graham whatever you do, please don't jack your aircraft up with a scaffold 
pole through the spar apertures.

I know it's quite a stiff area but remember that the aileron control system 
is tied in to this aperture.

A rule of thumb with supporting or securing an aircraft on the ground is 
never to involve anything to do with supporting the aircraft in the air (or 
controlling it in the air). 

The outboard portions of the landing gear frame's lower member, which the 
swinging arm pivots on, is an ideal pick up for jacking the aircraft.  A 
frame that looks a little like an American football goal post, two uprights 
to pick up the landing gear frame each side of the swinging arm, and a 
single support which can be mounted to a trolley jack does the job well and 
safely.

Andy



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