Improvised Raft fill pump CORDLESS MAKITA? - Mountain Buzz
 



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Old 05-11-2015   #1
 
Chandler, Arizona
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Improvised Raft fill pump CORDLESS MAKITA?

Makita USA - Tool Details - DUB182Z

Do you think this would have enough guts for the main fill on a big raft??

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Old 05-11-2015   #2
 
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Maybe for one fill.... There's really only one way to find out.

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Old 05-11-2015   #3
 
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Wheat Ridge, 80033
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The specs say 91 CFM (cubic feet per minute) and "Up to 12 minutes of continuous operation from a single charge at high speed." That is 1092ft³ per charge. What is the internal volume of "a big raft"?

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[tmaggert] Can you tell me the approximate volume of air that a 16' Expedition raft holds?
[Kurtis] Hello, welcome to NRS. My name is Kurtis.
[tmaggert] Hey Kurtis!
[Kurtis] This is not a spec we have easy access to, unfortunately. Why do you want to know?
[tmaggert] I am trying to figure out if a battery powered leaf blower can fill it. It can do 1000ft³ per charge.
[Kurtis] The pressure is probably going to be the main concern. Will it be able to fill to 2.5 psi?
[tmaggert] Not entirely sure. It might need topping off with a K-pump or similar.
[Kurtis] Should be fine as I did a quick estimate on the perimeter tubes at about 95 cubic ft.
[Kurtis] The floor should be another 25 cubic ft - ish.
With a 20% fudge factor, seems like you may be able to do 7.5 "big" rafts.
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Old 05-11-2015   #4
 
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I use a Black and Decker battery leaf blower to inflate my 14. I taped a mustard bottle with the bottom cut off over the end to better match the valve size. I found that there isn't enough pressure to depress the valve springs but if you lock them open you can inflate the boat to a soft level. You just need to quickly close the valves when removing the blower. I just top off to rowing pressure with my barrel pump

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Old 05-11-2015   #5
 
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I have an old ub181d. Looks the same and it will do almost 3 mini-ms's with an old battery
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Old 05-11-2015   #6
 
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Good call, I didn't look at the specs.

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Old 05-11-2015   #7
 
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FWIW I have been using an airhead DC pump and it's been great. I did extend the wire a bit (ok...a lot and increased the gauge as well). Runs out of juice when all the car batteries etc do
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Old 05-11-2015   #8
 
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Newman Lake, Washington
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I bought one a few weeks ago. It filled my 14" in about seven minutes. I already had the batteries, and found one on Ebay for $60. You need to have a top off pump. I like it.
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Old 05-12-2015   #9
 
San Juan Islands, Washington
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Quote:
Originally Posted by Read_N_Run View Post
FWIW I have been using an airhead DC pump and it's been great. I did extend the wire a bit (ok...a lot and increased the gauge as well). Runs out of juice when all the car batteries etc do
I bought one of those about 10 or 12 years ago at an end of season sale without a box or accessories for $15.00, It was branded Sevelor but I don't remember who made it (made in Germany if I recall). It's a little noisier than it was when new but it still works great and will fill a raft to 2 psi. I replaced the wires and clips on mine as well, They're now long enough to inflate the boat on the trailer while connected at the back of the car/truck.
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Old 05-12-2015   #10
 
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I've been happy with a M-18 Cordless Vacuum from Milwaukee Tools. It's pretty small, works OK as a vacuum, and the hose can be reversed to make it a blower. It was more than enough for a 15 footer.
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