50mm motor heatsink and tailcone - RC Groups
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This thread is privately moderated by Par_18, who may elect to delete unwanted replies.
Feb 13, 2018, 02:02 PM
Trader Rating: 11
Registered User
$75.00 USD
Buyer pays shipping
For Sale

50mm motor heatsink and tailcone


If you guys are looking to cool down your high power 50mm diameter EDF motors, I have designed a tailcone and heatsink combo that will help to do the trick. Testing has shown a peak temp decrease of 25-50 deg F after a WOT run for 50% of battery capacity when compared to running without the tailcone. Check out the test videos below.

- See pictures below for dimensions.
- Total weight of tailcone and heatsink: ~100g
- 9 color choices for the TC


Tailbone: http://shpws.me/PGqp ($55+shipping)
Heatsink: http://effluxrc.com/Heat-Sink-clamp-...-HS5050PAR.htm ($21+shipping)

Test videos--
Without TC:
Dynamax EDF V1 w/ HET 800-68-685kv on 12s/8ah Nano-Tech Lipo's (4 min 48 sec)

W/ TC:
Dynamax EDF V1 w/ HET 800-68-685kv and Tailcone on 12s/8ah Nano-Tech Lipo's (5 min 4 sec)
Last edited by Par_18; Feb 13, 2018 at 03:10 PM.
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Feb 13, 2018, 05:08 PM
Trader Rating: 34
Will build for food!!!
attwooddrow's Avatar
FANTASTIC work on these Par. I have already ordered one for my Jet Fan 120 with the HET 590 motor.
Feb 13, 2018, 05:13 PM
Trader Rating: 34
Will build for food!!!
attwooddrow's Avatar
Guys, looks like Shapeway site is having issues. If you get an error page, check back later.
Feb 15, 2018, 10:22 AM
Trader Rating: 1
Registered User
Looks like Shapeways issue is sorted, just ordered 2 for my A-10.
Feb 15, 2018, 10:50 AM
Trader Rating: 34
Will build for food!!!
attwooddrow's Avatar
You are correct. I got confirmation that my order went through as well.
Feb 15, 2018, 11:33 AM
Trader Rating: 11
Registered User
Thanks for the orders guys. I only see one order showing up on the account for 2 TC’s. I assume that was for rcmigpilot. Maybe it hasn’t had a chance to update/confirm on my end. Let me know what you guys think and if you guys feel any changes that may be helpful.
Feb 16, 2018, 11:07 AM
Trader Rating: 34
Will build for food!!!
attwooddrow's Avatar
Yeah, Shapeways messed my order up. They sent me a email this morning and I just reordered my tail cone.
I have your first tail cones and will see how much of a temp difference I get between the two.
Feb 16, 2018, 03:47 PM
Trader Rating: 11
Registered User
I see it now. I think you will see a difference. One thing to note is that with the TC in place, do your motor cool down at the end of the flight just shy of half throttle for a couple of mins. It takes more RPM to force the air in there.


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