Re: Superpressure balloon valve / was Re: [GPSL] K5NOT-11 WSPR Balloon Failure

Hank Riley

Joe, please tell us more.  

Latex or other envelope?  How did it work out for you?  Any special reason for trying this valve method out?  What altitude was reached?   How long did it remain in the air?

On Sunday, July 19, 2020, 09:06:33 AM EDT, Joe wrote:

I did that once. But the ping pong ball surface is too textured and does not make a bubble tight seal. I did a silicone ball and o ring.

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