NickJ Posted April 22 Share Posted April 22 More than happy to help cnc some MDF forms if thats the path you take 1 Quote Link to comment Share on other sites More sharing options...
Hyperblade Posted Thursday at 07:29 Author Share Posted Thursday at 07:29 So after some reflection on this, I decided to make my life easier by going for 2.5", while I could have fitted 3" in, it just wasn't worth the effort at the moment. This allowed me to thicken up the outer edge of the plate, and move the air more inwards which is better. So plate ends up as this. For the ducts themselves, trying to get aluminium around them was proving too difficult for my skills, there was a couple of compound curves making life really difficult, even when I altered the ducting to be as simple as possible. I looked at casting but they would have been minimum thickness of 4mm and $1000 odd. I got a quote for 3d printing them in metal from https://craftcloud3d.com/ (min thickness 1mm) Actually not to badly priced $262nzd delivered for the 2 of them (in ali). But the current plan is to take these moulds in PLA and just wrap them in fibreglass, then melt the moulds out (found a friend willing to try it). 9 Quote Link to comment Share on other sites More sharing options...
Truenotch Posted Saturday at 09:07 Share Posted Saturday at 09:07 ^ This is the method. Fibreglass shoild be ok? But if you do it with carbon it'll be great. I think the SR86 ones were carved out of foam and just wet laid over top, then dig out the foam afterwards: 2 1 Quote Link to comment Share on other sites More sharing options...
Hyperblade Posted 23 hours ago Author Share Posted 23 hours ago 19 hours ago, Truenotch said: ^ This is the method. Fibreglass shoild be ok? But if you do it with carbon it'll be great. I think the SR86 ones were carved out of foam and just wet laid over top, then dig out the foam afterwards: Those are interesting in their design, generally my understanding is you don't want to cover the rotor face as it can mean uneven cooling of each side so can promote warping. Although AP racing say you want 10% of air up each face and 80% through fins, but that's pretty hard for your average punter to design for. I'm hoping I can skip the foam part and just use pla, that's cheap and easy to produce at home, so if it works is a good solution for other similar parts. Quote Link to comment Share on other sites More sharing options...
shizzl Posted 22 hours ago Share Posted 22 hours ago Too much to read to catch up. but I’d use an alloy donut, sliced in half horizontally (on an angle though) then cut to length, angle out another tube to connect to a duct pipe, fizz it all together, job done Quote Link to comment Share on other sites More sharing options...
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