Johnny4 Posted October 20, 2019 Report Share Posted October 20, 2019 Hey all, Newbie mechanic question here. If I wanted to upgrade my dust collector (Supermax 1 hp) to a 1.5 hp, is it honestly as simple as getting a new motor, or is are there a bunch of steps that must occur in between? My dad seems to feel that you just “put in a different motor and wire it up.” He also comes from a generation of DIYers Quote Link to comment Share on other sites More sharing options...
Mark J Posted October 20, 2019 Report Share Posted October 20, 2019 I'm not an expert on moving air, but I think the impeller and housing are sized to be appropriate for the motor size. Going from 1 to 1.5 hp the impeller may be too small. Others with more definite knowledge will, hopefully, chime in. Quote Link to comment Share on other sites More sharing options...
drzaius Posted October 20, 2019 Report Share Posted October 20, 2019 If the original collector had the blower & motor matched properly, then a bigger motor will do nothing at all to increase performance. Does it ever trip out on overload? If the answer is no, then a bigger motor will do nothing for you. Quote Link to comment Share on other sites More sharing options...
Bankstick Posted October 20, 2019 Report Share Posted October 20, 2019 What Mark J said. Quote Link to comment Share on other sites More sharing options...
Ronn W Posted October 21, 2019 Report Share Posted October 21, 2019 Just out of curiosty. What if the new motor had a higher RPM?? Would that increase the airflow without damging other parts? Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted October 21, 2019 Report Share Posted October 21, 2019 It is possible to vary airflow by changing the speed of the impeller, but it is not a linear relationship. IMO, the most cost effective way to improve your DC performance is to list it on CL and buy a better one. 1 Quote Link to comment Share on other sites More sharing options...
pkinneb Posted October 21, 2019 Report Share Posted October 21, 2019 19 hours ago, wtnhighlander said: It is possible to vary airflow by changing the speed of the impeller, but it is not a linear relationship. IMO, the most cost effective way to improve your DC performance is to list it on CL and buy a better one. Made me laugh but very true! Quote Link to comment Share on other sites More sharing options...
SawDustB Posted October 21, 2019 Report Share Posted October 21, 2019 Yep. The only other option that would actually help is to swap the bag for a cartridge filter, which will give you more airflow. If you've got the space, a bigger DC is probably cheaper. Quote Link to comment Share on other sites More sharing options...
Johnny4 Posted October 21, 2019 Author Report Share Posted October 21, 2019 Thanks everyone. I figured this was not a “plug and play” situation. Hope all is well where you are! Quote Link to comment Share on other sites More sharing options...
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