Stef I am using 4130 steel for my roll bar but my plane is a radical departure from a standard KR so I don't know how carbon fiber would work. I think that strength is only 1/2 the equation here. Abrasion resistance is just as important if your scraping down the runway upside down at 30-40 knots. I would go as many layers as you can afford.
Here is an example https://sites.google.com/a/wildblue.net/goodmans/Home/2010-kr2-mishap Craig www.kr2seafury.com --- On Thu, 2/10/11, [email protected] <[email protected]> wrote: > From: [email protected] <[email protected]> > Subject: KR> roll barr > We are starting to make our roll barr. We made it from the > normal foam ( wings) and will wrap it around with cf > 210 gr sq meter. > What are your fealings about how many layers I need for a > save produkt. > The bar is about 3 x 3 inch. I amĀ planning for 3 > layers or should I take 4 or 5 or 6???

