On 17 May 2006 17:25:16 -0700, "Skip Gundlach"
wrote:

2. The lift is marginal, a dozen pumps aren't enough.

50 measured @ ~ 1/second (1/2 second lift, 1/2 second push) strokes
isn't enough - I just tested...

Skip, the problem is that you are pumping by hand. Everyone that I
know who has tried an electric head has never gone back, and you won't
either. If you don't believe me, try converting one of your two heads
to electric and let me know which one you like better after 6 months
of cruising.