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Old 2012.12.11, 07:11 PM   #16
herman
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hmm… i guess the next project could include front and rear wing designs as well... i've seen a video somewhere, wherein the material they used was very durable and flexible/pliable... and maybe eventually an f1 body…

good luck
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Old 2012.12.11, 07:12 PM   #17
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Welcome to the new Mini-z specialist @ shapeways
Glad to see someone new experimenting with it.

The bumper looks nice and well designed, maybe a bit beefy for strong & flexible , you will know when you flex it with your hands. Maybe you can make some non structural areas thinner (down to .6 , .8 mm) and save on the overall cost.
In S&F 1 mm is harder than Kyosho plastic but can flex a bit. 2 mm would give the F1 nose the strength of a tank.

I'm with color about the porous material. But sanding or cutting this material is not the same experience as usual plastic. It is really strong. Sandpaper will do close to nothing, and even a dremel will have a hard time. Maybe you can design a thin rib that can slide on the RCP rails.

On the other hand the high detail plastic may be prone to break for this usage, but is excellent for static models or maybe wings, etc.

Well, you can only know upon testing. Let us know.
Congrats ad good luck!
Cool shop name btw
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Old 2012.12.12, 12:59 AM   #18
imxlr8ed
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Quote:
Originally Posted by herman View Post
hmm… i guess the next project could include front and rear wing designs as well... i've seen a video somewhere, wherein the material they used was very durable and flexible/pliable... and maybe eventually an f1 body…

good luck
Your wish is granted... well, at least the wing portion of it so far.







It's not in the shop yet, but I'm working on it right now! I really just wanted a wing with protection and lots of downforce acreage in mind and here's what I came up with.

Sorry about the fuzzy images, they're just quickie screengrabs.
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Last edited by imxlr8ed; 2012.12.12 at 01:17 AM.
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Old 2012.12.12, 01:13 AM   #19
imxlr8ed
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Quote:
Originally Posted by Fovea3d View Post
Welcome to the new Mini-z specialist @ shapeways
Glad to see someone new experimenting with it.

The bumper looks nice and well designed, maybe a bit beefy for strong & flexible , you will know when you flex it with your hands. Maybe you can make some non structural areas thinner (down to .6 , .8 mm) and save on the overall cost.
In S&F 1 mm is harder than Kyosho plastic but can flex a bit. 2 mm would give the F1 nose the strength of a tank.

I'm with color about the porous material. But sanding or cutting this material is not the same experience as usual plastic. It is really strong. Sandpaper will do close to nothing, and even a dremel will have a hard time. Maybe you can design a thin rib that can slide on the RCP rails.

On the other hand the high detail plastic may be prone to break for this usage, but is excellent for static models or maybe wings, etc.

Well, you can only know upon testing. Let us know.
Congrats ad good luck!
Cool shop name btw
Alain
Big thanks for the welcome! You had to know I'd follow the path eventually.

Yeah, I have the same feeling in regards to the 1mm thing but for these first prototypes I didn't want to go too lightweight at first. I can always throw it on the drillpress and see how much I can wittle out of it without compromising the structural integrity.

As far as the sanding goes, I've got a little drum sander on the dremel and I'm pretty sure that's gonna help. If that don't cut it I plan to get busy with the bench grinder out in the garage. If the surface still grabs the rails, there's always monokote, or superglue, or clear tape... etc.

Just went down to the mailbox tonight (as I've been doing every night) and no parts yet... patience... patience...

Big thanks once again to all who want to give input here, that's kinda my goal with this whole thing.
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Old 2012.12.12, 08:33 AM   #20
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the rear wing looks great!
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Old 2012.12.12, 11:27 AM   #21
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Thanks Ray! I'm fairly confident about this one so I put it in the shop for sale a while. I'm still trying to configure the material choices though. I would like to offer it in something more than just white.

I might try to clean up the model a bit and see if I can increase the resolution of some of the surfaces. I'm sure it can be sanded out if it gets printed in its current status but I'm positive that sanding these wings will be a labor of love. I gotta go buy some more finishing gear, something like a little carbide ball mill.

On a side note, I'm really interested if my choice of hole diameters in the bumper and the wing is correct. The holes are just a bit above minimum diameter for the typical Mini-Z screws. They should be self threading (like many other fastener points on the stock Z), but I tried to give it more meat in there than usual so as to avoid or minimize strip-out of screws. I will be able to adjust if necessary when I get my first prototypes.
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Old 2012.12.12, 01:10 PM   #22
ARN
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I know the mantis type bumpers are not allowed in the PN events. I hope UID bumpers will be allowed, if so I will likely get the F1 bumper & wing too!
but I better get a sticker of a bikini girl waving a checkered flag!!!
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Old 2012.12.12, 01:13 PM   #23
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also, I know that there are people wanting pn legal bumpers for racers too.
and also to be used for tracks like the one used for iiC in Vegas... just sayin...
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Old 2012.12.12, 01:30 PM   #24
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I know the mantis type bumpers are not allowed in the PN events. I hope UID bumpers will be allowed, if so I will likely get the F1 bumper & wing too!
but I better get a sticker of a bikini girl waving a checkered flag!!!
My car has a Mantis front wing & I passed tech at the worlds I believe there was another Mantis equipped F1 at our local regional too. I only started Mini-Z this year, but I haven't seen anyone have issues at tech (RCX 2012, PN Regional, PN Worlds) because of Mantisworx parts.
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Old 2012.12.12, 01:31 PM   #25
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I think the wider bumpers just make F1 class that much more fun and so much less destructive. How many times have we been pushing it out to the wall on the back stretch and suddenly the racer right in front of you gently taps the wall and snags into it so hard that he becomes instantaneously parked right in front of you? It usually brings out a yellow for clean-up of little winglets and other expensive plastic chunks.

I'd rather have everyone using one of these larger bumpers than to be behind someone who can stick a rail and cause a catastrophe. It's just better racing for everyone with these things.

I'm pretty sure Phil wouldn't keep these illegal for whatever rules he creates in the future... I'd rather have smoother races than bashfests. I got stuck in a rail once in a regional a while back and got my sideplate cracked in the resulting accident, there went that race for me and the other guy! If I would have had one of these, it wouldn't have happened. I know some would say, "well... just don't hit the walls!"... to that I'll say... easier said than done!

The shop logo is temporary, I'm working on a new one in between all of the modeling I've been doing.
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Old 2012.12.12, 01:47 PM   #26
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great job on the designs, I especially love the Rear wing.
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Old 2012.12.12, 02:44 PM   #27
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I'm sure these bumpers will be tested fully at our next bash, I mean race day
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Old 2012.12.12, 02:49 PM   #28
ARN
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I think the wider bumpers just make F1 class that much more fun and so much less destructive. How many times have we been pushing it out to the wall on the back stretch and suddenly the racer right in front of you gently taps the wall and snags into it so hard that he becomes instantaneously parked right in front of you? It usually brings out a yellow for clean-up of little winglets and other expensive plastic chunks.

I'd rather have everyone using one of these larger bumpers than to be behind someone who can stick a rail and cause a catastrophe. It's just better racing for everyone with these things.
I couldn't agree more.
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Old 2012.12.12, 02:51 PM   #29
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My car has a Mantis front wing & I passed tech at the worlds I believe there was another Mantis equipped F1 at our local regional too. I only started Mini-Z this year, but I haven't seen anyone have issues at tech (RCX 2012, PN Regional, PN Worlds) because of Mantisworx parts.
I have it wrong then, maybe it was a racer bumper that was not allowed...
I'm glad to know PN is allowing Mantis cuz that means these should be no problem.

Last edited by ARN; 2012.12.12 at 02:53 PM.
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Old 2012.12.12, 04:37 PM   #30
Mike Keely
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Is nylon a viable material to make them out of?
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