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Search: Posts Made By: Gerald D
Forum: 50. Toolheads Thu 17 September 2009, 20:48
Replies: 47
Views: 75,427
Posted By Gerald D
When numbers like that are mentioned, they...

When numbers like that are mentioned, they normally relate to 90 degree "elbows" where the bend radius is quite sharp....something like the bend radius being equal to about 2x the pipe diameter. With...
Forum: 50. Toolheads Thu 17 September 2009, 12:06
Replies: 47
Views: 75,427
Posted By Gerald D
I wouldn't agree with the 3 ft for every turn...

I wouldn't agree with the 3 ft for every turn saying, when applied to this particular system. Our problem seems to be the resistance of the spindle itself - the tubing seems to be of little...
Forum: 50. Toolheads Sat 12 September 2009, 10:34
Replies: 47
Views: 75,427
Posted By Gerald D
$19 . . . . that is what I am expecting to pay...

$19 . . . . that is what I am expecting to pay for dinner for two tonight! :D

If that pump can run off a PC's power supply, only drawing 18 Watt, then it will only give a small trickle of water....
Forum: 50. Toolheads Sat 12 September 2009, 09:52
Replies: 47
Views: 75,427
Posted By Gerald D
If there is a lot of resistance then you need a...

If there is a lot of resistance then you need a more powerful pump, especially one with a higher "head" or "shutoff height" (ie. pressure when you hold it closed with your finger).

Your Beckett...
Forum: 50. Toolheads Sat 05 September 2009, 20:11
Replies: 47
Views: 75,427
Posted By Gerald D
Brad told us that there is a lot of resistance in...

Brad told us that there is a lot of resistance in the spindle's water channels, so I wouldn't consider going smaller just yet. Here (http://www.888beckett.com/product_catalog/files/pdf/g325-s.pdf) is...
Forum: 50. Toolheads Fri 04 September 2009, 08:54
Replies: 47
Views: 75,427
Posted By Gerald D
Brad, are you holding the return pipe under the...

Brad, are you holding the return pipe under the water level in the bucket? (to keep the siphon effect going). If you want to do a flow rate test without putting the hose under the water, you have to...
Forum: 50. Toolheads Fri 04 September 2009, 08:51
Replies: 47
Views: 75,427
Posted By Gerald D
A 1/6th HP pump is about 120 Watts. Even if that...

A 1/6th HP pump is about 120 Watts. Even if that pump was totally inefficient, and converted all its power to heat, that is only 120 Watt of heating. Sure, it will raise the water temp a bit, but...
Forum: 50. Toolheads Fri 04 September 2009, 01:31
Replies: 47
Views: 75,427
Posted By Gerald D
Here is a test that someone can do in the...

Here is a test that someone can do in the interest of science:

- Put a full bucket of water on a step ladder, 1 meter [3ft] above the spindle.

- Put one of the spindle hoses into the full...
Forum: 50. Toolheads Thu 03 September 2009, 23:35
Replies: 47
Views: 75,427
Posted By Gerald D
A fuel pump will not like plain water - you would...

A fuel pump will not like plain water - you would have to use a non-corrosive liquid.

My first port of call for a pump would be the gardening center to look for a fountain pump.

Quick google...
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