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11-18-2012, 02:27 PM
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Join Date: Mar 2006
Location: SoCal
Posts: 626
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Best way to lift a tailwheel
Looking for the best way to lift a 7 off the gear so I can do the wheelpants.
Engine is on tail feathers off so it's front heavy.
__________________
JD
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RV-7 N314SY (KWHP)
IO-360-B1B
CANbus based trim/flaps and electrical
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11-18-2012, 02:55 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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Are the wings on??
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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11-18-2012, 03:08 PM
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Join Date: Apr 2011
Location: Wake Forest, NC
Posts: 96
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Lifting a tail dragger
I set some weight on the back deck and strapped an engine hoist to the motor mount. Worked perfectly. I only lifted one side at a time though. Never tried to lift both sides at once......
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Dennis Roberts
Wake Forest, NC
EAA 1114, Apex, NC
N713DR Super-7 IO/540  SOLD
http://www.drrv7.com
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11-18-2012, 04:10 PM
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Join Date: Mar 2006
Location: SoCal
Posts: 626
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Wings
Wings are off. I was thinking of using the wing jacks on the firewall corners with a wood block to spread the load.
I did the engine lift on a 7A and it worked great but it falls apart a bit with the tail wheel config
__________________
JD
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RV-7 N314SY (KWHP)
IO-360-B1B
CANbus based trim/flaps and electrical
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11-18-2012, 04:19 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 4,219
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Best choice is to do this before mounting the engine, but in your situation I'd use broad straps on the big engine mount tubes and as close to the bolts as possible. Put a little weight on the tail deck and you'll be fine.
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Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019(?) RV-10
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11-18-2012, 04:43 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,420
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I used jacks under the spar carry through on the 10-------but I do not think your plane has these. Is the structure under the belly strong enough to hold the weight if jacked up there?
Photos here. http://www.vansairforce.com/communit...ad.php?t=68674
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011 
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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11-18-2012, 05:17 PM
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Join Date: Mar 2006
Location: SoCal
Posts: 626
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Good thread
Thanks for the thread. It will be useful this week. The jack point for me (no tail feathers and engine on) seems to be the firewall corners under the steel gussets.
Just kinda afraid to do it there as I have never seen it done like this.
I tried the main spar but the amount of weight I would have to add to the tail to keep the engine up was uncomfortably large.
__________________
JD
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RV-7 N314SY (KWHP)
IO-360-B1B
CANbus based trim/flaps and electrical
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11-18-2012, 06:11 PM
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Join Date: Mar 2010
Location: Olathe, KS
Posts: 63
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Here's how I did it on my 6. Used the bottle jack and a 4x4 block to lift and then rested it back on the 4x4's on the jack stands. Jack and stands courtesy of Harbor Freight.
Dave
RV-6
Waiting for calmer winds
to resume Phase I flights
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11-18-2012, 06:24 PM
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Join Date: Mar 2006
Location: SoCal
Posts: 626
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Same thought
Quote:
Originally Posted by dsvajda
Here's how I did it on my 6. Used the bottle jack and a 4x4 block to lift and then rested it back on the 4x4's on the jack stands. Jack and stands courtesy of Harbor Freight.
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kinda what I had in mind myself. I built a couple of wing jacks with the same cyl. I was thinking of pulling the exhaust though. I figured if I lifted the tail first that this might be a way to get it done.
__________________
JD
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RV-7 N314SY (KWHP)
IO-360-B1B
CANbus based trim/flaps and electrical
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11-18-2012, 06:25 PM
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Join Date: Feb 2011
Location: USA
Posts: 3,179
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At each condition inspection on my RV-8, we jack from the landing gear mounting point. On a -7, is this forward of the CG? If so it is designed to carry the weight of the entire airplane.
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