240v vac motors

[Dragmav]

Hi all, I'm new here. Been around the car/engine machining industry for over 15 years and finally it's time to build my own bench. Now, I'm looking at buying some Ametek 119996-00 vac motors. These things seem to flow around 97-98 cfm @ 28"s. I can get these at a reasonable price. My question is do I just buy 6 or do I get 8 of them? Heads I port flow upto 500cfm.

Thanks
Glenn.

[Brucepts]

Welcome Glenn

Never hurts to go with more motors, well it only hurts once when you buy them after that there are no regrets!

Motors are the heart of a flowbench I never tell anyone to save money on that part of a build if they are trying to cut cost.

[RACEPUMPER]

Hey Glenn, welcome to the forum.
Those ameteks are good motors I've used before.
Definitely go with 8.
6 may cut it if your delta p is real low, if your going with Bruce's dm, ( which everyone will recommend ) it uses delta p of 16" and you will need 8 motors.
In a pts bench 8 of those motors will flow approx 550 cfm @ 28"
Jim

[Dragmav]

Thanks guys, can I get away with a 75amp ssr instead of the 125amp?

[RACEPUMPER]

75 would be fine Glenn. What design is you bench?

[Dragmav]

I'm doing the Pts. Automatic control

[RACEPUMPER]

Sounds good, plenty of info here if you get stuck. Good luck with it, what country you from?

[Dragmav]

Melbourne, Australia. How about yourself?

[Brucepts]

Couple of members from Melbourne, sure they will chime in.

I only have 125a SSR's they are the same price as the 75's I was offering. I bought a lot of 100+ of the 125a's. Hoping they last for a while till I can find a new supply.

[Dragmav]

Were there any issues with the 75a?