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I agree, must have got it from someplace credible - like Bill Shertz. CP was 1.0 for pure H20 and somewhat less with antifreeze mixed in. I had a primary pully from MazdaTrix that reduced water pump speed - since engine was turning faster than normal in automobile, did not want to have any cavitation. So my water pump did turn a bit slower than stock. Not necessarily - note that water flow drops off if pump speed increases into the "caviation range"
------ Original Message ------
Sent: 2/25/2022 10:39:43 AM
Subject: [FlyRotary] Re: Ed's spreadsheet
Thanks Ed.
But 185.85 seems pretty detailed for a SWAG.
Any chance you got it from Bill Shertz's tests (which I
unfortunately can't find the posts about)?
What determines "Cp Coolant"?
Heat transfer efficiency from engine to water and water to rad?
From measuring the rims of the e-shaft pulley (122mm) and water
pump pulley (112mm) it looks like the Renesis water pump runs a
bit slower (factor 1.09 compared to your 1.18).
Should water flow be directly proportional to water pump RPM?
Finn
On 2/25/2022 10:07 AM, eanderson@carolina.rr.com wrote:
Sorry, Finn.
Too much water under the bridge, pretty sure I did not make
it up out of thin air. I suspect I visited some pump websites
to arrive at a SWAG.
Ed
------ Original Message ------
Sent: 2/24/2022 2:25:56 PM
Subject: [FlyRotary] Ed's spreadsheet
Hi Ed,
From where did you get the 13B coolant
flow numbers (Pump Factor)?
I want to be certain that I have
adequate coolant flow.
Finn
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