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All Forums >> RC Airplanes >> Scratch Building, Aircraft Design, 3D/CAD >> Landing gear size
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Landing gear size - 1/12/2002 12:07 AM   
AV8TOR


 

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From: Mount Vernon, OH, USA
Status: offline 		Without being to thick and end up heavy, how thin of aluminum can be used for a 9 pound plane? I have seen some 3/16" but that just seems to stiff.

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Aluminum L.G. - 1/12/2002 4:27 AM   
Ed Smith


 

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From: Brantford, ON, CANADA
Status: offline 		To some extent the thickness would depend on how long the legs are.

Generally, for a nine pound airplane 1/8 aluminium would be adequate. The grade of aluminium should be 6061-T6. This spec gives a material that has a certain hardness and therefore springback. Any softer material than this is not suitable.

Ed S

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Re: Aluminum L.G. - 1/12/2002 4:49 AM   
AV8TOR


 

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From: Mount Vernon, OH, USA
Status: offline 		[QUOTE]Originally posted by Ed Smith
To some extent the thickness would depend on how long the legs are.
Ed S [/QUOTE]

Thanks Ed, From the axle center to the top flat of the gear is 4.5", 7.5" across the top flat, and 16.250" wide at the axles.
Ray

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Landing Gear - 1/12/2002 5:56 PM   
Ed Smith


 

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Status: offline 		Ray,

!/8 thick aluminium will be suitable for a LG the size you indicated. I have a LG slightly smaller than yours. It was used on a model that weighed just over nine pounds. It is solid.

Ed S

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Landing gear size - 1/13/2002 4:14 AM   
AV8TOR


 

Posts: 427
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Joined: 12/28/2001
Last Login: 7/26/2008
From: Mount Vernon, OH, USA
Status: offline 		Thanks Ed, I was hoping it would . I will give it a go.

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