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Thingie body and chassis build - Bullet


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#1 Pablo

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Posted 11 March 2018 - 07:50 PM

I dug this Shinoda Bullet - style Thingie body of out the dust.

Don't know where it came from or who pulled it. It's about 12 thou thick.

It is definitely not a Gene/Z1R body, but still a nice piece

 

IMG_8768.JPG

 

I'll decal it, paint it, make a custom inline chassis for it, and put it up for sale.

Owner supplies parts, assembles, and finishes it.

 

Wheelbase 4 1/2". guide lead 3/4".

Rear wheel width 3 1/8", front width 2 7/8".

REHCO motor bracket for any FT-16D endbell drive motor (3/32 bushings will be supplied and soldered in).

Rear wheels .765" OD, 5/8" wide, overall width .775".

Front wheels 1/2" OD O-rings on 1/16" axle. (supplied and soldered on).

Clearances .050" rear, .032" front.

Any crown gear of 48P, 28T or less will clear .032".

Flag- Jet Flag or any with a deck height of 1/16".


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#2 Pablo

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Posted 12 March 2018 - 09:06 PM

Decals are inside, of course. Is it #99, or #66? It's a Thingie, it's whatever you want it to be.

3 coats of Model Master acrylic Metallic Arctic blue (sorry for the freckles) :pardon:

 

 

IMG_8797.JPG

 

 

 


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#3 Racer36

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Posted 13 March 2018 - 06:35 AM

I have a pink can Cukras motor that would look right at home under that rascal.......


Dennis Dominey

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#4 Jairus

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Posted 13 March 2018 - 10:16 AM

Paul, again you surprise me and paint the body first.  Looks GREAT, but hope you don't scratch it up getting her mounted.

BTW, she looks very period correct!  :good:


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#5 Pablo

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Posted 13 March 2018 - 09:16 PM

Thanks guys! :)

Body mounting won't be a problem:

-Paint is 6 dried coats of blue backed up with white - it's hard and strong.

-Skirts are a straight taper from 3.00" aft of the front axle to 3.125 at the bracket, so it's an easy deal.

-I won't be mounting it :dance3:

 

Tongue platform is a .920" wide (matches the bracket width) chunk of 1/16" brass sheet.

Outer edges are tapered to promote solder pooling with the rail connections a la dc-65x.

(not concerned about strength - I just like to watch solder flow :sun_bespectacled:)

 

I'll use a Cobra tongue. They need to be trimmed to work with Jet Flags.

A combination of disc sander, Dremel abrasive wheels, sandpapers, and elbow grease fixes it.

Flag shaft hole slightly enlarged with a 3/16 chainsaw round file then smoothed with 400 wet/dry

 

IMG_8809.JPG


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#6 Pablo

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Posted 14 March 2018 - 12:16 AM

REHCO bracket is .032 brass, therefore doesn't need much additional bracing like an .025 Russkit.

One .047 wire "U" brace should be enough

 

IMG_8820.JPG


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#7 Pablo

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Posted 14 March 2018 - 06:33 PM

Tongue tools: calculator, and digital calipers which do double-duty as a scratch awl :hi:

 

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I needed a gizmo of about 7 thou to compensate for the .050/.032 clearance slope.

A piece of a Cox quickchange clip did the trick

 

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I've heard some say "never mix solder types" :laugh2: I do it all the time, and I run with scissors :secret:

Mating surfaces tinned with Koford silver solder

 

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Acid bath, minitorch, ice pick, and some short pieces of .032 60/40 at the edges to get things flowing

 

IMG_8834.JPG


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#8 Pablo

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Posted 14 March 2018 - 06:39 PM

My completed chunk and tongue with a hair of tilt

 

IMG_8835.JPG

 

If the Cobra is trimmed right, the flag stops at about 45 degrees

 

IMG_8845.JPG

 

 


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#9 Pablo

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Posted 14 March 2018 - 08:01 PM

Parma #625 3/32 oilites soldered in using an oversized gage pin for perfect alignment

 

IMG_8848.JPG


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#10 Pablo

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Posted 15 March 2018 - 11:27 AM

I mis-calculated the rear wheel OD, it will be .765" NOT .790

 

That will make the bracket face straight vertical and the motor sits level at ground zero.

Rear clearance still .050" and a 28T crown will be the best choice.


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#11 Pablo

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Posted 15 March 2018 - 05:41 PM

Pre-tinned 1/16 wire rails to start

 

IMG_8849.JPG


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#12 Pablo

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Posted 15 March 2018 - 09:02 PM

The understated beauty of a thingie is, pure engineering without restraints.

I made my front axles without having to check a ruleset for compliance :)

 

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#13 Pablo

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Posted 16 March 2018 - 03:35 PM

Hand me the ATF, Bunky, we DON'T want solder wicking into the hinge :crazy:

 

IMG_8865.JPG


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#14 Pablo

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Posted 16 March 2018 - 05:31 PM

To make the body mounts form fit the body, I marked three points, fore, amidships, and aft.

Fore and aft mark the horizontal limits at 3.313 (3 5/16").

Fore width is 2.940, amidships is 3.115, and aft is 3.180"

 

The indented pencil marks are the pin tube locations at 2.5" apart

 

IMG_8866.JPG


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#15 Pablo

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Posted 16 March 2018 - 07:03 PM

Inner rails are .055. For this car, I think twin .063/.055 are enough, so rails are done

 

IMG_8870.JPG


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#16 Pablo

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Posted 17 March 2018 - 04:25 PM

My 1/16 brass rod pan pieces. Just for fun, I compared weight with .032 brass sheet pans.

Sheet: 20 grams

Rod: 18 grams

 

Pretty much the same. But mine are old skool :D

 

IMG_8875.JPG

 


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#17 Pablo

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Posted 18 March 2018 - 07:07 PM

Rick's Jig is my best friend here

 

IMG_8879.JPG


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#18 Pablo

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Posted 19 March 2018 - 08:01 PM

Split .055 wire bite bars, .039 wire down stops, brass pin tube body mounts.

Lift is .025"

 

IMG_8885.JPG


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#19 Pablo

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Posted 19 March 2018 - 08:26 PM

A pair of Montague-style .032 wire springs for the front axle.

Time for a cleanup and overnight tumble

 

IMG_8894.JPG


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#20 Pablo

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Posted 20 March 2018 - 09:18 AM

Done

 

IMG_8909.JPG

 

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IMG_8903.JPG


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#21 Pablo

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Posted 20 March 2018 - 09:19 AM

IMG_8898.JPG

 

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#22 Jairus

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Posted 20 March 2018 - 09:41 AM

Looking very thingie like!  
 

2v2JAfsCTxubMLY.jpg


Jairus H Watson - Artist
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#23 mike1972chev

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Posted 20 March 2018 - 10:06 AM

My 1/16 brass rod pan pieces. Just for fun, I compared weight with .032 brass sheet pans.

Sheet: 20 grams

Rod: 18 grams

 

Pretty much the same. But mine are old skool :D

 

attachicon.gifIMG_8875.JPG

 

Quick question Mr. Pablo. Do you think using the brass rod  over the brass sheet would have any different handling characteristics in the finished car???(or vise versa???)


Michael J. Boruff


#24 Racer36

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Posted 20 March 2018 - 10:12 AM

When will this gem hit the auction block?


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#25 Pablo

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Posted 20 March 2018 - 10:20 AM

Michael, brass rods soldered together have a slightly higher center of gravity than pans, and take more time to make. I doubt the handling suffers much. Go back and look at the 1/16 rod outriggers on my Ursaner Lotus Sports car - it handled like a million bucks.

 

Dennis, as soon as the JB Weld on the Pablo engraving dries, and I take a couple final photos showing how she form fits the body, it will be on Swap Shop. Probably in about 6 hours. Unless she gets spoken for before then, which wouldn't surprize me :)


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