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2017 Exothermic Thingie


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#1 Pablo

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Posted 09 October 2017 - 07:44 PM

Pulled a body out of the drawer and thought it was cool. No idea what it is.

Wheelbase 4 15/32, width 3 1/8, GL 9/16.

Clearances 1/16 rear, 1/32 front

 

IMG_7216.JPG

 

No rules - it's a "Thingie." :)


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Paul Wolcott




#2 Maximo

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Posted 09 October 2017 - 08:07 PM

Looking good, Pablo!

 

That clear body is from Gene's World called the Exothermic.

 

After Gene carved a mold likeness of the Detroit "Batcar" body from old magazine photographs, he then later evolved it with this wider and slight variation. He also added those loovers or what ever they are called above the front fenders.

 

I have yet to produce an Exothermic project thingie myself, so I am excited to see your project unfold into another work of art!

 

Go, Pablo, Go!

 

-Maximo


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#3 Samiam

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Posted 09 October 2017 - 08:17 PM

No rules - it's a "Thingie."

 

I haven't seen a dual motor car in quite a while.

 If it's worth doing, it's worth doing twice. :victory:


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#4 Gator Bob

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Posted 09 October 2017 - 08:23 PM

Love that body. :good:

 

We had one entered in the Dynamic Proxy... it was/is beautiful.


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#5 Pablo

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Posted 10 October 2017 - 08:41 AM

Thanks Maximo :good: Parts gathering will begin soon, but last night I was dreaming:

Jaildoor inline ISO, front wheel rails hinged at the rear, Tamiya BB front wheels, DUBRO motor bracket, 13/16 rears, oilites,

Jet Flag, modern braid, 16D Havlicek Mabuchi type EBD motor, dyed Parma spur gear, straight steel pinion

 

IMG_7218.JPG


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Paul Wolcott

#6 Pablo

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Posted 10 October 2017 - 07:03 PM

Found a DUBRO bracket already started with oilites and some bracing.

1/8 hubs, Wonder Rubber donuts, and Tamiya 17mm 3 Spoke Ball-Race rollers

 

IMG_7226.JPG


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#7 Gator Bob

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Posted 10 October 2017 - 07:09 PM

Cool front  Wheels !

 

Are they 1/8"?


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                            Bob Israelite

#8 Pablo

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Posted 10 October 2017 - 07:24 PM

2mm, Sir.


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#9 Pablo

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Posted 11 October 2017 - 04:31 PM

I've done this before, but couldn't remember how I used keepers to secure the wheels on the 2 mm axle.

.063 are too small, .093 are too big, and they don't make .078 axle keepers

 

IMG_7230.JPG

 

After I took a smart pill, I remembered that I used motor shaft spacers.

I'm sure the Tamiya wheels work fine using them as designed with the 2 mm screws and collars fastened to a gizmo.

But for my solid .078 axle, the arm spacers actually allow the wheels to spin more freely

 

IMG_7231.JPG


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#10 Pablo

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Posted 11 October 2017 - 05:30 PM

Independent BB front O-ring axle assembly complete.

The .078 wire axle will do double duty to connect and strengthen the ISO rails.

 

IMG_7238.JPG


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#11 Gator Bob

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Posted 11 October 2017 - 05:54 PM

Cool ... perfect!

You have flanged .078 arm spacers? Can't remember seeing those.


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                            Bob Israelite

#12 Pablo

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Posted 11 October 2017 - 06:17 PM

Camen .060 long arm spacers


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#13 Maximo

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Posted 11 October 2017 - 06:28 PM

Pablo, these wheels were used when you built the Pinner GT for me!

 

IMG_2477-vi.jpg

 

-maximO


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Thingies are my thingie!

#14 Pablo

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Posted 11 October 2017 - 06:36 PM

Oh, I remember that fine. What I didn't remember was what keepers I used on the front axle :)


Paul Wolcott

#15 Gator Bob

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Posted 11 October 2017 - 06:48 PM

Coolness... and more to go around, where that came from. :good:


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#16 Pablo

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Posted 11 October 2017 - 06:59 PM

Tinning party, .063 wire. I test it for straightness before wasting my time tinning it :victory:

 

IMG_7242.JPG

 

Zero tolerance for bent wire here at The Wolcott Ranch.

Believe me, there is some of it being sold, and it goes right in my round file ^_^

 

 


Paul Wolcott

#17 miko

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Posted 11 October 2017 - 07:17 PM

DB2 2.JPG

 

I have a pair of those on my dune buggy. I used a small brass washer and then just soldered it to the axle. Worked pretty well.


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#18 Bill from NH

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Posted 11 October 2017 - 07:26 PM

Do you tin the wire when it's at room temperature? Doesn't the heat of a soldering iron affect the wire's straightness, or do you first bake/heat them (oven?) to bring them up to some uniform cross-sectional temperature? Wouldn't a wave soldering machine best accomplish this tinning task? A stained glass shop sold me a jar of "tinning flux" but I don't know how good it is. Sounds like some of the pieces you toss out could be used for chassis pieces other than main rails. 


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#19 Pablo

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Posted 11 October 2017 - 07:39 PM

Do you tin the wire when it's at room temperature? Yes.

Doesn't the heat of a soldering iron affect the wire's straightness? No, not unless you solder a dissimilar metal to it.

Sounds like some of the pieces you toss out could be used for chassis pieces other than main rails. Some pieces are indeed useable for short lengths - I save, and use, those. But I've have wire that was so bad it was bent every few inches and none of it meets my standards.


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#20 Pablo

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Posted 13 October 2017 - 07:32 PM

Progress report:

-wheels given final trim/true, .817 OD, .800 wide

-custom made Don Weaver .687 OD 1/8 custom jig wheels will give 1/16 rear clearance

-16D Mabuchi EBD jig motor in place

-.055 "U" bracket brace with ISO hinge tube

 

IMG_7258.JPG


Paul Wolcott

#21 Gator Bob

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Posted 13 October 2017 - 07:38 PM

Ah so.... a tube in the back... So I See

 

ISO impressed with your builds.

 

see you later.


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#22 Gator Bob

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Posted 13 October 2017 - 07:40 PM

 Went looking .... Those 'ball race' style wheels are very cool but most don't have a relief for an 'O' ring.


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#23 Maximo

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Posted 14 October 2017 - 02:30 PM

Bob:

 

Pablo and a few others have accepted my lead into Tamiya Ball Bearing Aluminum O-Ring front wheels for use in modern scratch-bilt Thingies!

 

All of my cars (mostly) use them in various sizes and anodized configurations. 19mm are the most common and these size out at exactly 3/4" diameter, however I am always looking to find smaller sizes like 17mm. There are even other manufacturers that make them but difficult to source.

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Thingies are my thingie!

#24 Pablo

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Posted 14 October 2017 - 06:29 PM

 Went looking .... Those 'ball race' style wheels are very cool but most don't have a relief for an 'O' ring.

 

Clean your glasses and look harder - in my photos you can clearly see the wheels have a recess for O-rings.


Paul Wolcott

#25 SlotStox#53

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Posted 14 October 2017 - 06:57 PM

Will gladly worship at the ball bearing O-ring front alter :heart: are there any USA sources? found plenty of Japanese sources..

Always fun watching you create a Thingie Pablo :D





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