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Re: Foot pumps
By:David
Date: 5/24/2000, 9:07 am
In Response To: Re: Foot pumps (Doug Kuik)

: We need to source a good quality thick walled rubber ball so no spring is
: needed and this pump could be made light weight, quickly and at low cost!

How about using both halves of a smaller ball? Put a half under each end of a little teeter-totter, so when you are compressing one you are filling the other. The pumping action would coordinate nicely with your paddle strokes.

Messages In This Thread

Bulkheads
Doug Kuik -- 5/22/2000, 10:44 am
Another nonstress riser bulkhead approach
mike allen ---> -- 5/23/2000, 8:28 pm
Re: Another nonstress riser bulkhead approach
Doug Kuik -- 5/24/2000, 5:58 pm
Re: Bulkheads
Berkeley C. -- 5/23/2000, 1:02 pm
Re: Bulkheads
Jack Martin -- 5/24/2000, 6:14 am
Re: Bulkheads
Doug Kuik -- 5/23/2000, 6:54 pm
Re: Bulkheads
RM Dalton -- 5/23/2000, 1:40 pm
Re: Bulkheads without Stress Risers *Pic*
Shawn B -- 5/22/2000, 12:24 pm
Re: Bulkheads without Stress Risers
Doug Kuik -- 5/22/2000, 1:17 pm
Re: Bulkheads without Stress Risers
Shawn B -- 5/22/2000, 5:09 pm
Re: Bulkheads without Stress Risers
Doug Kuik -- 5/22/2000, 6:36 pm
Re: Bulkheads without Stress Risers *Pic*
Shawn B -- 5/23/2000, 2:18 pm
An alternative to foot pump.
Dale Frolander -- 5/23/2000, 4:02 pm
Re: Electric pumps *Pic*
Shawn B -- 5/24/2000, 10:03 am
More POWERRRRRRR
Dale Frolander -- 5/24/2000, 1:27 pm
Re: More POWERRRRRRR
Doug Kuik -- 5/24/2000, 4:47 pm
it may be even more efficient
Paul G. Jacobson -- 5/25/2000, 12:35 am
Re: it may be even more efficient
Doug Kuik -- 5/25/2000, 12:22 pm
Re: it may be even more efficient
Spidey -- 5/28/2000, 11:33 pm
Re: that's a lotta weight!
Shawn B -- 5/25/2000, 2:05 pm
Re: More POWERRRRRRR
Dale Frolander -- 5/24/2000, 10:03 pm
Wrong batteries
Dale Frolander -- 5/24/2000, 10:20 pm
Re: Foot pumps
Doug Kuik -- 5/23/2000, 3:15 pm
Re: Foot pumps
David -- 5/24/2000, 9:07 am
Re: Foot pumps
Jack Martin -- 5/24/2000, 8:09 am
Re: Foot pumps
Jack Martin -- 5/24/2000, 6:47 am
Re: Rubber Ball Foot pumps
Shawn B -- 5/23/2000, 4:27 pm
Re: Bulkheads
Dale Frolander -- 5/22/2000, 11:25 am