Fretwell 59 15 Posted May 21, 2013 Report Share Posted May 21, 2013 (edited) How thick do you need the Plywood and what do you use to glue them together Cheers mate Edited May 21, 2013 by Fretwell 59 Quote Link to post Share on other sites
atomlab 104 Posted May 21, 2013 Report Share Posted May 21, 2013 (edited) 18mm should be strong enough for most catapult designs(if it good quality) , i use pva wood glue, roughen up both sides then clamp and leave over night. Edited May 21, 2013 by atomlab Quote Link to post Share on other sites
Fretwell 59 15 Posted May 21, 2013 Author Report Share Posted May 21, 2013 Ok thanks mate and how long are your Thera band golds if you use them that is Cheers matt Quote Link to post Share on other sites
Sheffield Catapults 71 Posted May 22, 2013 Report Share Posted May 22, 2013 18mm is fine, I would recommend Titebond 2 as being the best glue I have found for wood. Quote Link to post Share on other sites
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