hi i'm james (hogy) arran pratt made reference to me and my ramp. I purchased one half of my half pipe of ebay so i was stuck to follow the same radius which is good but i had to lay down two layers of 7mm cd ply for the surface, which rides really well but does not take well to 90kgs of force from 1meter in the air comming down on one point on the ramp real well. my ramps been complete for approx 3 months and i need to re surface allready (expensive lesson). I've got some pics of the construction on my phone which i will try to post soon.
I myself am in search of the best and most cost effective top sheet for when i re surface, I am curios about a product i've heard about on an american site ? called polyboard basically a plastic sheet, if anyone has heard of this and has information as to were i can get some could they let me know.
Back to the ramp construction, put ribs in at every 300mm especially at the bottom of the transition and as it starts to curve up and for the surface i'm not confident but i'm giong to put two layers of 12mm cd ply if i can't get my hands on something stronger ie polyboard, but spend more and get a much better product 1st go i wasted $320 on 8 sheets.
I added a little vid of me on it
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