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Old Mar 01, 2014, 09:30 AM
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United States, CO, Durango
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Quote:
Originally Posted by ahicks View Post
The problem is the design requiring a 90 degree glue joint to be operating in tension - where the front of the landing gear mounting plywood is fastened to the firewall. With any significant load placed on it, it will pull apart easily - WAY too easily.

Factor not helping a thing is the fact that plywood landing gear plate isn't really plywood. It's china ply, and the laminates pull apart easily. All the reinforcing in the world done on the inside is only attached to the top layer of laminate?

In a hard landing, the front of this landing gear plate is not pushing against the airframe, it being twisted, puling the front of it away from the airframe.
Thanks for the info. I will use a piece of angle alum like in the pic. Looks like a easy fix.
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Old Mar 01, 2014, 08:08 PM
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Great plan! Hope your maiden goes well! -Al
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Old Mar 06, 2014, 06:45 AM
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Explain an demonstrate the landing gear modification a little more.. Just little more on how to do my mod..
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Old Mar 06, 2014, 08:40 AM
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The plan is to support the front edge of the landing gear plate, where it attaches to the firewall? On a hard landing, that edge will try to pull away from the firewall. To better prevent that from happening, we tie it to the front of the firewall using extruded angle alum, sturdy sheet alum, fiberglass, or basically whatever you're comfortable working with.

If you look at the pic in post #73, you can see this idea in play. He's attached a piece of angle aluminum to the firewall with 3 bolts. This is going to all but eliminate the possibility for that piece of plywood the gear is fastened to from pulling away from the firewall? -Al
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Old Mar 17, 2014, 11:51 PM
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Here's a few pics of my throttle and choke linkage. Used a larger throttle arm and ran the choke out the front of the cowl. It works very well.

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