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Abstract Ammo Design 2021! (Read 15574 times)
Curious Aardvark
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Re: Abstract Ammo Design 2021!
Reply #225 - Dec 9th, 2021 at 10:57am
 
Quote:
One thing I do love is that if you lightly hold it at both tips between your thumb and forefinger and blast compressed air across it it spins with zero wobble.

lol guess that's one way to test.

have you thought to make the cut horizontally ?

That would give yoiu a much larger area to glue, better end impact resistance and no break point where the nut is.

It might also make it easier to mould, although as I've never poured resin - not sure how you go about it.
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Kordwar
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Re: Abstract Ammo Design 2021!
Reply #226 - Dec 9th, 2021 at 11:29am
 
It's definitely worth considering! I can split it either way, which is nice. Is a blunter tip preferred to a sharp point? I wasn't sure if it makes a difference so I just went sharp.

I wouldn't mind trying to dapple it like a golfball or experiment with grooves to try and induce a spin
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Curious Aardvark
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Re: Abstract Ammo Design 2021!
Reply #227 - Dec 9th, 2021 at 12:00pm
 
It'll spin coming out of the sling, thats pretty much the whole point of the glande shape.

Pointy versus blunt.
Blunt points don't break as easily, not sure if it makes any difference aero dynamically.
Try both Smiley
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Kordwar
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Re: Abstract Ammo Design 2021!
Reply #228 - Dec 9th, 2021 at 12:05pm
 
Curious Aardvark wrote on Dec 9th, 2021 at 12:00pm:
It'll spin coming out of the sling, thats pretty much the whole point of the glande shape.

Makes sense, for whatever reason I thought only a couple release methods made it spin out of the pouch.

I do like the idea of the dimples, sorta like those golf cross balls
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Curious Aardvark
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Re: Abstract Ammo Design 2021!
Reply #229 - Dec 9th, 2021 at 1:31pm
 
You should be able to use a texture to add the dimples in fusion 360.
Or a stamp, if it has stamps.

It's a bit of a sod to do in openscad and that's pretty much all I use.
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Kordwar
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Re: Abstract Ammo Design 2021!
Reply #230 - Dec 9th, 2021 at 5:54pm
 
Glande related update! Painted the grey prototype bright yellow at work and stopped at the park on the way home. Took a few test throws to get used to the weight and when to release, but it flies very straight and predictably and took eight hard hits into frozen ground before the CA glue failed and popped apart (survived though!). I have some bright orange filament coming this weekend look forward to trying more.
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