GeneV
Elite Member
If you're considering plastic(s)... consider UHMWPE -- ultra-high molecular weight polyethylene. That stuff is amazingly tough, and is often used for snowplow scraper blades. I used it to line the impeller cavity and chute on my snowblower, where it made an amazing difference. It can be ordered in sheets of desired thickness (I used 1/8" for my project), and can be shaped by using a high-heat gun or even a small torch. Heat up just below melting, bend, let cool.
That material, plus perhaps some metal stiffeners here & there, might just work!
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I bought a strip of that a few years back, sandwiched it between the wear bar and dozer blade on my garden tractor to snowplow my driveway. It's hardy stuff. Yeh, not a bad idea, plus it's fairly cheap compared to acetal. Comes in black, too.