Posted by bill on April 08, 19102 at 18:15:04:
In Reply to: Re: Vacuum balloons posted by HuenYK on September 01, 19101 at 04:37:57:
I want to make a simple pillow 23" x 4" by 24" or thereabouts to float under inside, under the top to counter the weight of a camera hat: If I can get 100grams of lift to ease the load, that is a significant help. Any suggestion on materials, needed pressure, etc?