Probably a duo.r u looking for a duo machine....?
disc and belt.....unless u get spendy they never have enough power......
look for used or make ur own.....
plenty on UTube.....not that hard to make....apart from a bit of cutting and welding the rollers are easy to buy.....
that way u can use a 1.5-2HP motor.....
They look just the ticketi have a 3/4 hp motor on my 6 inch belt sander i made and its well powerfull eough and 4 inch one with a half hp motor
View attachment 447374 View attachment 447380
there were measured and copied of bought band facer made them 50 years ago heres one its an ajh https://www.ebay.co.uk/itm/386670934459?_ul=UK&mkevt=1&mkcid=1&mkrid=710-53481-19255-0&campid=5338353466&toolid=20006&customid=s%3AGS%3Bgc%3ACjwKCAjw57exBhAsEiwAaIxaZiRE8wyd3hXyp-bobCJM_Vq5UbBVPNS6wjJoJl424_FKwIrnJgRxQRoCMoUQAvD_BwE%3Bpt%3A1%3Bchoc%3A2&customid=s:GS;gc:CjwKCAjw57exBhAsEiwAaIxaZiRE8wyd3hXyp-bobCJM_Vq5UbBVPNS6wjJoJl424_FKwIrnJgRxQRoCMoUQAvD_BwE;pt:1;choc:1&gad_source=1&gclid=CjwKCAjw57exBhAsEiwAaIxaZiRE8wyd3hXyp-bobCJM_Vq5UbBVPNS6wjJoJl424_FKwIrnJgRxQRoCMoUQAvD_BwEBrightspark.
Did you make them from a plan or YouTube video?