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  #1  
Old 09-24-2019, 06:17 PM
Ted Christopher Ted Christopher is offline
 
Join Date: May 2016
Location: Braham, MN
Posts: 31
Default Lifting an RV12

Does anyone have experience lifting an RV 12 as it shows in the manual, with sturdy saw horses under the tail and nose section. Mine has only been lifted by the A&P using jacks under the wings (and cushioned boards) but I don't have jacks and would like to be able to service my own tires.

I think I would build a cushioned support a couple inches higher that the front belly of the plane, press down on the tail, put it the front support in place and lift up the tail with a jack of some sort under the tail cone using a cushioned board, then lower the rear tie down ring onto the support I've built.

Does this sound right?
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  #2  
Old 09-24-2019, 06:44 PM
DaleB's Avatar
DaleB DaleB is offline
 
Join Date: Sep 2012
Location: Omaha, NE (KMLE)
Posts: 2,152
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The maintenance manual will give you the details of the stands to build, and how to get the plane onto them. There is a nice set of plans here: http://www.vansairforce.com/communit...7&postcount=13

I built my set 25" tall as specified, then put a couple layers of carpet on top. We occasionally increase the height an inch or so using foam pads cut from those interlocking floor mats.

Word of caution: WATCH OUT FOR THE TRANSPONDER ANTENNA when you slide the front stand in. They're cheap, but a PITA to replace.
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Omaha, NE
RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)
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  #3  
Old 09-24-2019, 07:21 PM
Mich48041 Mich48041 is offline
 
Join Date: Apr 2008
Location: Riley TWP MI
Posts: 2,940
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See Page 1-17 of the maintenance manual or search for "Lifting and supporting".
If working by yourself, the nose can be lifted by hanging 60 or 70 pounds of weight on the tail tie-down. Slide the front sawhorse into place. Buy this scissor jack from Harbor Freight to lift the tail. $30 with 20 percent coupon. SKU: 96406 It extends to 23 inches. After lifting the tail, slide the rear sawhorse into place as shown in the maintenance manual.
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  #4  
Old 09-25-2019, 07:47 AM
John-G John-G is offline
 
Join Date: Jan 2012
Location: Northeast Ohio
Posts: 602
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Ted,

Good advice given by others.

I would like to add a couple of thoughts.

First ... I found if one builds two 25" sawhorses per the plans it will support the fuselage just fine, however it will not quite give enough height to get the main gear totally off the ground. I found I needed to make another sawhorse just a little taller. I use the 25" sawhorse aft and the 27 1/4" taller one forward.

Second ... It is really easy to purchase an inexpensive Harbor Freight tall jack and mount it on a platform to use for jacking up the tail cone.

Here is a link to my blog covering both items mentioned above.
http://www.dogaviation.com/2017/09/p...condition.html

Hope you find the above useful.
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www.dogaviation.com
RV-12 Wings, Empennage, Fuselage, Finishing, Avionics and Powerplant kits all completed
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