Newby questions

[JSP]

I'm designing a DC system for my new shop.  24'x24' garage with attic.  Would like to put the motor/blower upstairs and run the duct down thru the ceiling into the shop.  Put a top hat on a drum separator in the shop downstairs and run all feeds into  the main line which goes into the side of the top hat and outlet running out the top to the attic. Have 6" PVC pipe and connections.  Thinking a 2 or 3HP blower would be good, but as a rookie have several questions.

1. Would the placement of the blower in the attic hurt the efficiency of air flow? I like the idea of the blower in the attic to keep the noise low, and not use shop space.

2. Using 6" PVC ducting should be good, but how big must the top hat be for that size? What size drum is best for this set up?

3.  Will 2 or 3 HP be enough power for my shop? (have 220 in shop) I only run one machine at a time.  Cabinet  saw, band saw, jointer, miter saw, etc.

thanks in advance!

JSP  ;D

[alan m]

I'm designing a DC system for my new shop.  24'x24' garage with attic.  Would like to put the motor/blower upstairs and run the duct down thru the ceiling into the shop.  Put a top hat on a drum separator in the shop downstairs and run all feeds into  the main line which goes into the side of the top hat and outlet running out the top to the attic. Have 6" PVC pipe and connections.  Thinking a 2 or 3HP blower would be good, but as a rookie have several questions.

1. Would the placement of the blower in the attic hurt the efficiency of air flow? I like the idea of the blower in the attic to keep the noise low, and not use shop space.
putting the blower int he attic wont harm the efficiency. i have mine like this it . it works great..
just pu the blower over the seperater so that there is no extra pipe . mine is just a straight pipe up with no bends etc
2. Using 6" PVC ducting should be good, but how big must the top hat be for that size? What size drum is best for this set up?
my ducting is 6" spiral ducting. it works great. my blower is 8"  so i made the seperater 8" and reduced down to 6" . this way i get as much as posible throught the 6"
3.  Will 2 or 3 HP be enough power for my shop? (have 220 in shop) I only run one machine at a time.  Cabinet  saw, band saw, jointer, miter saw, etc.
that should be enough but the more the bettweer
thanks in advance!

JSP  ;D