Yoda VD lightsaber discussion

Here is my latest attempt a molding the Lamborghini wheel. I remade my mold with a firmer RTV.

In the middle is the original wheel. On the left is a cleaned up casting. The right is a raw casting.

DSC07349_zps1ynlkmcn.jpg


I am casting them in a pressure pot but can't get rid of one stupid bubble...so frustrating. :angry If you look closely you see the blue tape pointing at it.

DSC07364_zpszilhpbzs.jpg


Be on the look out in the Junkyard.
 
I didnt really want to post pics yet but the proper size end mill for the slot on the top of the brass screw is coming from over seas. I replicated a Praco brass emitter screw and it came out pretty nice. I got a little impatient and cut the slot with a hacksaw, so its off center by a lot (and about half as thin as it should be). The threaded center hole on the replica looks too small since I didn't tap it yet. Once tapped the hole should open up and look better. The external threads are 8-32 like the original.

yoda brass.jpg
 
tomm1999 said:
I didnt really want to post pics yet but the proper size end mill for the slot on the top of the brass screw is coming from over seas. I replicated a Praco brass emitter screw and it came out pretty nice. I got a little impatient and cut the slot with a hacksaw, so its off center by a lot (and about half as thin as it should be). The threaded center hole on the replica looks too small since I didn't tap it yet. Once tapped the hole should open up and look better. The external threads are 8-32 like the original.

View attachment 668870
Click to expand...

you deserve credit for hacksawing such a precise cut. in some remodeled apartments like mine thats spot on :lol
 
I tried that hacksaw move! It worked out okay, but then I found a screw that works okay... a little thick, but everything on my bolsey version is a little off.
 
tomm1999 said:
The one on the left is off a real praco so I used the measurements from that. .250" for the top part, .060" for thickness, .030" for the depth of slit, then the threads are 8-33 x .234" long. Inside is 3-48 threads
Click to expand...
8-33 threads? Do you mean 8-32?
 
guys i was curious i was gathering my pieces to finish my yoda saber. i have everything but the brass screw used to hold the lambo wheel to the flash

anyone have any advice on what size screw to use?
 
halliwax said:
guys i was curious i was gathering my pieces to finish my yoda saber. i have everything but the brass screw used to hold the lambo wheel to the flash

anyone have any advice on what size screw to use?
Click to expand...

Without being able to source the info, I believe it was a 2-56 x 1/2" Oval Head Machine Screw. Someone else can correct me.
 
Danny, I might have an extra, if i do its all yours.

Ill check tonight when I get home, if I don't have one I think speedracersX is right about the size

halliwax said:
guys i was curious i was gathering my pieces to finish my yoda saber. i have everything but the brass screw used to hold the lambo wheel to the flash

anyone have any advice on what size screw to use?
Click to expand...
 

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