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19Fordy · 10-27-2020, 08:39 AM

fortyfords makes a good point. If you use a fan spacer you can have it machined so that it has the fan blade holes in the location you need AND a hub centric "button" can be machined on that spacer. You may want to have a couple of sets of fan blade holes drilled into the spacer as there is plenty of room to do it. Easy to do once it's on the rotary table. Make several fan spacers of varying thickness "just in case".

The 6 inch dia. piece of 6061 Aluminum needed to make the fan pulley, etc. is not cheap if you buy it retail. Drakes pulley is a good deal for the money.

10-27-2020, 08:39 AM	#16
19Fordy Senior Member Join Date: May 2010 Location: Coral Springs FL Posts: 10,942	Re: Fan clearance issue fortyfords makes a good point. If you use a fan spacer you can have it machined so that it has the fan blade holes in the location you need AND a hub centric "button" can be machined on that spacer. You may want to have a couple of sets of fan blade holes drilled into the spacer as there is plenty of room to do it. Easy to do once it's on the rotary table. Make several fan spacers of varying thickness "just in case". The 6 inch dia. piece of 6061 Aluminum needed to make the fan pulley, etc. is not cheap if you buy it retail. Drakes pulley is a good deal for the money. Last edited by 19Fordy; 10-27-2020 at 09:33 AM.