Posted by Adam [172.68.141.97] on Wednesday, February 07, 2018 at 21:16:54 :
In Reply to: Seat control valve? posted by jim lee [172.68.142.44] on Wednesday, February 07, 2018 at 19:51:40 :
Yes, but ultra low tech. The seat had a piece of sheet metal across the entire bottom to hold air in, and the “valve” is a circular deal with three triangles cut into it; similar to the smoke vent on a Weber bbq.