07-16-2021, 10:56 PM
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#71 (permalink)
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thingiverse.com/thing:Mustang S550 Side Skirt Air Deflector
by silvlerbullet0071 August 07, 2020
The pictures won't hot-link, but it's a 90% (needs beveled edges) of one particular Mustang part.
If you [were to] send me a dimensioned drawing I could return an .STL file.
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07-19-2021, 08:07 AM
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#72 (permalink)
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Quote:
Originally Posted by California98Civic
Which is the "D" shape that you identify as best? It seemed like the "D" shape was among the best but that it was equal to the "I" shape at 1.17 and the "O" shape. I must have misunderstood.
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This is the D shape on the rigth and second best triangle shape on left. Difference between these two in my tests 0,6-1,0%.
But like I wrote even that can be improved with many tricks and fine tuning. Those can be seen in this video:
https://youtu.be/EDYYMPKPSKs
In final setup I did not have time to build D shape to the deflectors and they are the triangle shapes in final configuration. Building the Triangles took about 1 hour and the D shape ones would have taken almost triple the time. Plus I did not want to break the best deflectors the D ones which work with the wider tires so they are saved for future testing
Last edited by Vekke; 07-19-2021 at 08:13 AM..
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07-19-2021, 12:07 PM
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#73 (permalink)
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Maybe an elongated D shape would be better, an elipse cut in half. A bit like the daihatsu UFE-II
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07-21-2021, 04:15 AM
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#74 (permalink)
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Vekke -- Similar to the deflectors I posted about at #71 Here are some wheel inserts for the Leaf and Hyundai Ioniq:
Hyundai Ioniq Electric 28kWh wheel trim inserts
by xiziz July 20, 2021
https://www.thingiverse.com/thing:4913259
Nissan Leaf alloy rim aero inserts ("Leaf Petals")
Published 3 years ago by Paul Kennett
https://www.myminifactory.com/object...-inserts-76399
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07-21-2021, 09:15 AM
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#75 (permalink)
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The idea is brilliant, but still need some small holes for the brakes ventilation.
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07-21-2021, 02:48 PM
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#76 (permalink)
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The Nissan Leaf example does have slots around the hub.
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07-21-2021, 03:04 PM
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#77 (permalink)
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Hyundai IONIQ PHEV, a bit of both spat and deflector:
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07-21-2021, 03:37 PM
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#78 (permalink)
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Cyborg ECU
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I like how the photo from jakobnev shows the curve on that spat following the entire contour of the wheel well opening at the bottom. That's interesting. The spats used to be short little things. That rounded section in front must be doing some interesting stuff with the flow to the inside of that tire.
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07-21-2021, 05:10 PM
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#79 (permalink)
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I think it's a wickerbill that flips air up into the inner wheel well for whatever reason.
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07-22-2021, 03:10 PM
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#80 (permalink)
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Cyborg ECU
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Yeah, that makes sense... for pressure? For brake cooling? For both?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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