The compactness and ease of installation of this pump have great appeal. I'll bet that for really secure installation it would be wise to affix a collar of some substantial material (wood, epoxy, etc - maybe even good-quality closed-cell foam) to the underside of the deck when installing the pump, because repeated pumping motion might easily loosen a simple through-the-deck mounting, resulting in an annoying through-deck leak - or a disastrous one. I wonder if anyone has an independent idea of how quickly they empty the boat, compared to the usual hand-operated pump, and compared to one of the electric pumps. It seems as if the stroke volume would be small and therefore the minute-volume flow (cfm) would be low, leading to a rather long emptying time. For my boats, the shorter pump might be necessary. I'll measure one of the boats today, and will probably also contact Radical Gear to see if they have a cfm figure of their own. Bill Hansen Ithaca NY *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************
In a message dated 6/13/2001 10:08:10 AM Eastern Daylight Time, bhansen2_at_twcny.rr.com writes: > I'll measure one of the boats today, and will probably also contact Radical > Gear > to see if they have a cfm figure of their own. > > Save you the trouble, Bill. Can't imagine them minding free paddler-time. ________________ [From Radical Gear] Support: The pump is supported by the top deck only ..... Certainly a support could be placed on the bottom of the kayak, if required by your particular kayak. <Snip: "O" ring response info> Weight - including inlet tubing: 5" pump -1lb 4 oz, 8" pump - 1 lb 6 oz Capacity - 5" pump: 5 GPM, 8" pump: 6GPM ______________ Five or six GPM isn't bad, but I think it would be dependent on location and arm angle; there's not a significant difference in pump power between the two, so the need to use the smaller one isn't much of a penalty. Agreeed --- some sort of large "fender washer" device might be strongly indicated. (They're used to plastic whitewater boats, I suspect.) Jack Martin *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************
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