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U-Go Hemi Thingie


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#26 dc-65x

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Posted 21 June 2019 - 08:41 PM

Hi Pablo  :bye:

 

Enjoying your build!  :)   :popcorm1:


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#27 Pablo

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Posted 22 June 2019 - 08:26 PM

Thanks Capt. Rick  :D

 

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I bent a pair of Swiss plated .063 wires to match the 5 degree angle of the steel tongue

 

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They angle inward to the point of paralleling the inside of my bracket nest. Rails are just tacked for now. Everything is flat, straight, and correct. 

 

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#28 Pablo

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Posted 23 June 2019 - 08:03 PM

Brass rod rail set attached to outboard faces of bracket and tongue; .032 wire cross connector up front 

 

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#29 Jaeger Team

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Posted 24 June 2019 - 03:15 AM

I can't explain it from an engineering point of view but I love those composite structures made with piano wire and brass rod.


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#30 Pablo

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Posted 24 June 2019 - 07:38 AM

Wire gives strength and memory, rod gives weight and dampening.

I never solder them together for longer than about 1/2" or they curl up like a tater chip  :laugh2:


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#31 Pablo

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Posted 24 June 2019 - 09:11 PM

I made a construction paper pattern for a chunk of .063 thick lead under the tongue.

The chunk needs to be perfectly flat so I taped it like a sandwich then squeezed it in a vice

 

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Hey Bunky, I figured out what that secondary hole in the tongue is for - a drop of CA glue secures the chunk.

Once dry, I will probably find ways to strengthen it further via solder points....

 

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#32 Pablo

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Posted 25 June 2019 - 03:52 PM

I went ahead and filled in the .032 space behind the tongue with a piece of, uh, .032 lead.

Now the entire top and bottom is flat and flush

 

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Since the body is a downforce design, I figured a perimeter type chassis will work well

 

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#33 Pablo

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Posted 25 June 2019 - 10:05 PM

Chassis is still in it's rough stages. No body movement, no hinges, no regrets, no turning back  :)

 

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#34 Pablo

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Posted 27 June 2019 - 07:42 PM

The body is too low to allow a single straight axle for the JK 1/16 O-ring fronts, so I'll use independent hinged axles nested atop the outer rail rods. I've always wanted to try a sliver of aluminum foil to prevent solder wicking under the keepers. So here goes nothing. The foil I'm using mikes about 1.5 thou

 

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Worked nice - foil slipped out and hinge was free  :good:

 

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#35 Pablo

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Posted 28 June 2019 - 07:43 PM

Front wheels/axles done. Torsion spring wires are .025

 

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#36 dc-65x

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Posted 28 June 2019 - 08:35 PM

Looking good Pablo.

 

I don't like the aluminum foil though. You should have soldered the whole thing solid at least 3 times before you get one to work........like I do! :dash2: :laugh2:


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#37 Pablo

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Posted 28 June 2019 - 09:47 PM

Thank you, sir  :)  The foil trick worked, but you know as well as I do a setup like this always has glitches no matter what. I also used a pint of ATF, two dollars worth of sandpaper, wore out some Dremel attachments, etc. making it all work  :laugh2:

 

Having front wheels that actually help the handling of the car instead of sabotaging it is worth all the pain :sun_bespectacled:

 

Another trick is, when a hinge binds, apply some more acid, work it back and forth, then clean it (NO HEAT). This is a Ron Hershman trick from long ago and I'll bet not many know it. Not something you want to have to do, but when you're in a bind ( :D) it can save the day  :victory: 

 

I used JB Weld to attach the Pablo engraving and the earring clutch. Enjoy the lack of shine because tomorrow is cleanup and tumbling time  :crazy: 

 

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#38 Pablo

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Posted 29 June 2019 - 08:43 PM

Rear rims have hollowed shortened set screws and I faced the inner surfaces with a Magnehone tool.

PCH axle was checked for perfect straightness, custom sized for length, then sanded and polished including the ends.

 

Amateur quality photography ensures the customer always says "Wow, it looks even better in person"  :laugh2:

 

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#39 Pablo

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Posted 30 June 2019 - 09:07 AM

All night in the tumbler

 

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#40 dc-65x

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Posted 30 June 2019 - 09:46 AM

Shiny!  :sun_bespectacled:

 

Boy, that Mississippi water is good stuff! 


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#41 Pablo

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Posted 30 June 2019 - 10:25 AM

Yup. Tastes great, too!


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#42 Bill from NH

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Posted 30 June 2019 - 02:09 PM

I had a dish of Mississippi Mud Thursday night. That tastes pretty nice too. :laugh2:


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#43 Jairus

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Posted 30 June 2019 - 02:21 PM

Pretty and nicely built!  :victory:


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#44 Pablo

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Posted 30 June 2019 - 05:35 PM

Thanks  :D  Assembly begins. New vintage Dynamic flag blueprinted, one steel 10 thou spacer above (to start), secured with an aluminum old style keeper. Parma old school brass clips with modern 20 gauge TQ lead wires

 

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Connected the Hemi to power supply to test and trim/roughen the shaft for pinion installation. She draws 1 amp at 3 volts, runs sweet, completely smooth and barely warm. 7T steel pinion soldered on and wire connection tabs tinned

 

IMG_2592.JPG  


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#45 Pablo

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Posted 01 July 2019 - 06:45 PM

A microdot of Threadlocker on each 2-56 screw

 

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Motor snugged up in perfect alignment

 

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Wires soldered to nubs using AERO past flux and my Hakko 454. Wires give very nice gentle but firm self-centering. Didn't need the earring clutch but it's there in case it's needed in the future

 

IMG_2606.JPG


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#46 Pablo

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Posted 01 July 2019 - 07:42 PM

Car is complete, minus body. She passes the drivetrain test with flying colors; with the first click of the power supply the axle starts rotating and it gets real happy with more volts  :good: Crown gear is a 27T Parma dyed black with hollow short set screw

 

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#47 slotbaker

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Posted 01 July 2019 - 08:11 PM

A lean, mean, fight'n machine... :aggressive:

 

Very neat.

:good:


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#48 Pablo

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Posted 01 July 2019 - 08:24 PM

Thank you, Steve  :)  Track test this Saturday. Tonight all I have to do is dream up a paint scheme...……..


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#49 Bill from NH

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Posted 01 July 2019 - 08:50 PM

White with fluorescent pink fogged front to back in the middle of the body. In the middle of the fogging, mask for twin 1/4" metallic blue stripes. Pleasant dreams!  :)


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I intend to live forever!  So far, so good.  :laugh2:  :laugh2: 


#50 Pablo

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Posted 01 July 2019 - 09:38 PM

I can't help but see a warship gun turret when I look at the cockpit/engine/exhaust area

 

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and a miniature futuristic warship shape at the front 

 

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Jairus recently painted a pirate ship theme body and the wooden deck just blew me away. The USS Alabama decks are all wood

 

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Just thinking out loud at this point...……. :)  

 

 


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