Calculating pump rate

[keep-it-simple]

I have a 2.7hp variable rate pump/timer by AO Smith. Side label attached
Any idea how to calculate pump flow so I can determine run time and rate?

I know the swg needs 2175rpm (25% max flow) to operate.
I know the swg needs 2700rpm (55% max flow) to operate while the Kreepy Krawly vacuum is in the pool.

Help?
TIA!

 

[mas985]

Flow rate is determined primarily by the following:

Plumbing setup - Pipe lengths, fittings, equipment, etc.
Pump wet end - What is the motor attached to?
Motor speed

But required run time for a pool doesn't really depend so much on flow rate. The simple solution is to run the pump long enough to keep the pool clean and chlorinated.

 

[keep-it-simple]

Ha. Thank you.
That's not specific enough ;-) I'm not a fan of trial and error. LoL especially if (a) I error or if (b) I waste time/money on starting too high.
Thank you for your response!
I guess I'll start it at the min speed 12 hours a day and see from there.

 

[Isaac-1]

The simplest answer may be to invest $150 or so in a good flow meter and plumb it into your pad, then you will know what is going on and you will not have to guess.