What is the tightest radius for 1/8 ply wood

[123jay]

I have done search but no luck.
I am planing to build the hard shell rooftop shell from popular mechanics magazine that 3nero posted about.[img][/img]
I have got 40 feet of fiberglass component kit 4" strati flanges
I am planning to kerf the fiberglass to the shape like it was 6" by 6"post then use 1/8 ply down the center .I can change the plan some
I like the retro look of the shell .
So what is the tightest bend you have heard of home depot 1/8 ply wood with out the ply braking the sides will be supported by 2" lips on the fiberglass
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If you think that Kerfing the fiberglass would be to hard please say so
I can just get the 90-degree corners and do a clam shell tent but I like the though of hard sides.

[mikeschn]

According to this website, it's 12".

https://www.plywoodcompany.com/applicat ... itemid=163

[123jay]

Thank you Mike that what I needed .
Now to the kerffing at $7.50 a foot on the fiberglass I am a little worried. If it works for less than 300 I can have out side frame shell and 75 for plywood and maybe $100 for all the other goodies should have a hard side clamshell tent for under $500. .I seen them from $1200 to over $2500
Thanks Mike