So, being a graduate student money is tight, but I would love to get a pump. With this in mind I was trying to think of a DIY project to make a pump for much less than a LG, chugger, March. The concept of a mag. driven pump is pretty simple when you think about it. The head has a impeller with a big as$ magnet. The motor is just a motor with another big as$ magnet. So why could I not get a used washing machine motor from the junk yard with a RPM of 1200-1600 and glue a magnet from magnets4less.com to it. Then I would buy a cheap head from march or LG to drive the impeller. Is there any flaws in this?
make your own pump!
- Thread starter ekjohns
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Not trying to trot your creativity but you might enjoy this thread https://www.homebrewtalk.com/f51/ca...bike-brakes-homemade-peristaltic-pump-279120/
yeah I saw that which is what got me thinking. But it seems like his cost him close to the price of a used march pump. I was thinking about $20 in magnets, $33 march pump head and $15 used motor, possible free if found on Craigslist.
That's $68, isn't that getting close to a used March? I thought you could get them new in the $130ish price range.
Another question is why do you want a pump, could you sent yourself up with a 3 teir gravity system?
http://www.tescopumps.com/servlet/the-126/115V,-1-fdsh-2"-MPT-INLET,/Detail
$138 it is the 809HS not the 815 though (ok it only just scraped into the $130ish bracket
)3 things I can see that you need to think of;
1) How are you going to mount the motor to the pump head,
2) You might want to look at a 3200 rpm motor (both the 809HS & 815 use a high speed motor) the standard 809 uses a 1550(?) rpm but that means less flow and less height.
3) Wiring, a scrap yard motor will most likely have the wiring cut of right at the motor.
If you want to be cost-adverse (I won't say cheap), maybe try looking to score a dishwasher pump and clean it up real good
1) How are you going to mount the motor to the pump head,
2) You might want to look at a 3200 rpm motor (both the 809HS & 815 use a high speed motor) the standard 809 uses a 1550(?) rpm but that means less flow and less height.
3) Wiring, a scrap yard motor will most likely have the wiring cut of right at the motor.
If you want to be cost-adverse (I won't say cheap
), maybe try looking to score a dishwasher pump and clean it up real good rosienej
Well-Known Member
I was thinking of running two or three of these in parallel for recirculating in a RIMS setup..
http://www.amazon.com/dp/B004HHW0FU/?tag=skimlinks_replacement-20
Price is right, flow is low.
Joel
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And head looks very low - 3' horizontal! Can not imagine it being able to pump up to the top of the MLT (unless you use them in series
)I thought 1 ltr(qt)/min was what is reacomended for fly spraging?
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rosienej
Well-Known Member
And head looks very low - 3 m horizontal! Can not imagine it being able to pump up to the top of the MLT (unless you use them in series
I thought 1 ltr(qt)/min was what is reacomended for fly spraging?
Missed that... horizon, I mistook it as a 3 ft rise.
Thanks
Joel
Correct me here again someone, BUT the headpiece replacement does not come with impeller....
found a flaw. Seems like the whole head assembly is going to run around $100 so that puts the extra parts needed right at the price of one new and more than a used one. Unless someone knows of a head assembly that is cheaper
newtonjason
Member
Not sure if this will work for you, but chugger has SS heads with an impeller for about $49 bucks
http://www.chuggerpumps.com/product.php?prodid=235
http://www.chuggerpumps.com/product.php?prodid=235
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