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  #1  
Old 01-18-2012, 09:27 AM
Dick3310 Dick3310 is offline
 
Join Date: Nov 2008
Location: Dallas
Posts: 16
Default Design for lifting/placing the lower cowl?

Does anyone have a design or idea about a combination dolly and lifting device that would allow easy lifting and positioning of the lower cowl?

Would tilt the cowl, lift, straighten out, position for securing, etc. and reverse for removal. Dolly feature would allow moving it around and out of the way.

I am building a tailwheel 7 and am currently fitting the cowl. I don't look forward to potentially scratching it or dropping on the hangar floor.

At this stage in the build my few remaining brain cell are fusing into one uncreative lump.... Hope someone has a design or pictures.

Appreciate any help.

Thanks
Dick Sunderland
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  #2  
Old 01-18-2012, 10:10 AM
TS Flightlines TS Flightlines is offline
 
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Location: Ridgeland, SC
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Default something-

like a motorcyle lift would work. NOT as heavy duty or elaborate, but same idea.
Tom
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  #3  
Old 01-18-2012, 10:26 AM
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JonJay JonJay is offline
 
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Default

Regardless of what you come up with, keep a roll of blue painters tape around. Put a strip of tape on the top front of your gear leg fairings and some behind your spinner. These are the areas that you will rub your cowling when you are taking it off.
You can also use the tape to hold the rubber cowl inlet ramp strips back so you can easily slide the canopy up without having them catch on the ramp.
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  #4  
Old 01-18-2012, 11:16 AM
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rleffler rleffler is offline
 
Join Date: Jun 2006
Location: Delaware, OH (KDLZ)
Posts: 4,286
Default

Quote:
Originally Posted by Dick3310 View Post
I don't look forward to potentially scratching it or dropping on the hangar floor.
Don't worry about scratches. Those are going to be the least of your worries with the cowl.

When you start filling the pinholes, that will take care of most scratches too.
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  #5  
Old 01-18-2012, 11:32 AM
Lars Lars is offline
 
Join Date: Nov 2005
Location: Davis, CA
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I stuck a couple of strips of 2" wide blue masking tape on the bottom to avoid the worst scuffs. Even then, I found that the tape was barely scuffed by the time I was done. Once you clearance the aft bottom corners for the gear legs, I think you'll find that it'll stay put by itself, especially if you have the spinner back plate (or facsimile) in place. Also, the cowl is pretty light. I found it was pretty easy for me to slide it back and up by myself, sitting on the floor in front of the airplane. I used a loose ratchet strap around the lower cowl & engine to hold it during initial fitting. Once I got the aft cowl trimmed to the gear legs and firewall, I used clecos to fix it to the camloc plates (I'm using 1/4 turn fasteners instead of hinge).
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  #6  
Old 01-18-2012, 12:12 PM
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flion flion is offline
 
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Location: Flagstaff, AZ
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My mom came up with something many years ago. Took her about 9 months to construct. Seriously, a device like you describe would probably be more difficult and expensive than it would be worth.
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  #7  
Old 01-18-2012, 01:24 PM
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Vern Vern is offline
 
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Default Cowl Lift

A cheap plastic chair with arms works pretty good. Slide it back under the engine then go to one side and lift it up into place.
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  #8  
Old 01-21-2012, 10:57 PM
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whittfic whittfic is offline
 
Join Date: Apr 2007
Location: Auckland, New Zealand
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I'm building my RV6 pretty much by myself and am well into the gazillion times the cowl will have to be fitted and removed during the build. Came up with this contraption. Yes it's crude but surprisingly effective and easy to use when set up properly....and it's cheap!

A length of PVC pipe, some twine and and hooks formed out of short lengths of wire. Duct tape over the gear legs and an old Vans tee shirt threaded over the prop/spinner to minimize scratches complete the ensemble.

Photos tell the story:

http://i456.photobucket.com/albums/q...c/DSCF0104.jpg
http://i456.photobucket.com/albums/q...c/DSCF0108.jpg
http://i456.photobucket.com/albums/q...c/DSCF0106.jpg
http://i456.photobucket.com/albums/q...c/DSCF0109.jpg
http://i456.photobucket.com/albums/q...c/DSCF0112.jpg

Twisting the PVC pipe with one hand while guiding it with the other, I can hold the cowl in any position with the 'locking device'. Once the cowl has been lifted into position and the device 'locked' it is now securely suspended and can easily be maneuvered to line up the hinges. Removing the cowl is simply a reversal of the fitting process.

Clive Whittfield
Auckland
New Zealand
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  #9  
Old 01-21-2012, 11:39 PM
dmaher dmaher is offline
 
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Location: Vancouver BC
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Clive that?s awesome
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  #10  
Old 01-22-2012, 12:03 AM
PCHunt PCHunt is offline
 
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Location: San Diego, CA
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Default

I think Kiwi's are just naturally born with ingenuity!!
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