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Alternate Suppliers & Quality


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Question....I flew for a living for 20 years before losing my vision

in my left eye 6 years ago; however, in my other life, I was in the

marine business operating a small repair yard for several years and

eventually ended up doing some minor design work and a lot of

prototyping. I have built and faired many plugs and hulls, so I

have confidence that the finish will come out beautifully.

It's all the other stuff in between that I'm concerned with now.

Like most folks, I like to save money doing this project, but certainly

not to the point of compromising saftey in any way. I can purchase

Divinycell through several suppliers that I used to deal with at a

substantial saving and I'm assured that the quality is the same as

provided by the well known homebuilt suppliers. Any comments as to the

differences in grades of foam and experiences would certainly be


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I would suggest ordering samples of all the per-plans foam from Aircraft Spruce or Wicks and going from there. You need to pay attention to density, weight, fuel resistance (not that naked foam would be next to any fuel), as well as how brittle the foams are for each purpose.


Some don't like last-a-foam, but I think it's great stuff. There are lots of suggestions, but not any approved replacements. YOU are the manufacturer, and can use shaving foam if you like. Maybe substitute what you can and are comfortable with, and pay for the rest.


Search on foam topics here or elsewhere. I recall Richard Riley pointing out a high-quality (and pricey?) replacement that he'd use if building again.

Jon Matcho :busy:
Builder & Canard Zone Admin
Now:  Rebuilding Quickie Tri-Q200 N479E
Next:  Resume building a Cozy Mark IV

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