What do you use for the kite's bladders?

i want to build a bow kite starting from square one. I am unclear about making the kite air tight. The sewing instructions don't say much about bladders. Is Dacron(TM) air tight?

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ewilhelm8 years ago
No. Kite bladders are polyurethane, and your best bet is probably to buy a set of replacement bladders for approximately the same sized kite. I've tried making bladders, and it's not really worth the frustration.
jradcoolness (author)  ewilhelm8 years ago
thank you for answering my question. now i have have a new sew of 10m replacement bladders . do you think they, will they fit well inside a homemade 8.5m kite ?
They will probably be pretty good. Bladders are typically way over-sized compared to the actual volume of the kite. You don't want the bladder material stetching; instead you want the kite material in tension.
jradcoolness (author)  ewilhelm8 years ago
eeww rahh! thanks again. if every think works right i thinking i'm going to make two of these bad boy's. out of curiosity. how many power kites do you have/made?
keydogstony8 years ago
When I was a kid I did the same thing. I was using a old sheet for the kite but wind would just blow through it and it wouldn't go up. My mother suggested putting starch on the kite sheet. Yep, it worked great. Flew like any paper kite.