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#1 Dave Crevie

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Posted 17 May 2019 - 01:39 PM

I generally don't post pictures of my old cars, mainly because I don't think they are all that interesting. But

this one is unique enough I though you guys might like seeing it. The frame is aluminum tubing, soldered

together with aluminum solder. Back when I built this, mobile homes and travel trailers were wired with

aluminum wire, and there was such a thing as aluminum solder. I haven't seen it since, and because I

don't know what happened to the coil I had, I decided not to clean up the joints as I have been with the

other examples I built when I was a teenager. The motor is a big Pittman with the 12 volt arm, which we 

ran on 24 volts. I had to make a new rear axle carrier because I couldn't find 5/16ths OD ball bearings

like was originally in the car. That is the only real change I have made from what it was originally. The

body is the same type that was on the car originally. Can't wait to run this one again.

 

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#2 Rotorranch

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Posted 17 May 2019 - 01:53 PM

There's a seller on ePay that sells aluminum solder for slot cars. I bought a couple of sticks of it from him.

 

Rotor


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#3 Bill from NH

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Posted 17 May 2019 - 02:33 PM

Jeff, I don't have a use for it, but are you required to use a special flux with that aluminum solder you bought? In the past, I thought I had  read that somebody, maybe Harris, sold a flux for aluminum soldering.

 

Dave, that's a great looking dragster! Don't hesitate to show us others of your cars.


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#4 Rotorranch

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Posted 17 May 2019 - 03:30 PM

Bill,

 

I have no idea! I saw it, it was cheap, and I bought it. Not tried to use it yet.

 

Rotor


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#5 Ramcatlarry

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Posted 17 May 2019 - 03:33 PM

COOL CAR, DAVE.  I had aluminum solder and flux in the old days as well and still have the cucaracha with pin tubes in place under my 904 Porsche.   I got mine at a welding supply house.


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#6 Dave Crevie

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Posted 17 May 2019 - 04:05 PM

As I recall the flux was powdered, and formed a glass-like coating over the joint. Something similar to brazing

flux. I used to work at a hardware store when I built this, and other cars with aluminum chassis. That is where

I got the solder. I'm not going to do any more to this car. In truth, I shouldn't be re-soldering the sloppy joints on

the cars I am restoring, but it is just plain embarrassing to see just how little pride I took in my craftsmanship.

I'm not absolutely sure the car had a troll doll driver back then, but I was using them as drivers in most of my

cars. They were at the height of their popularity at that time. The other racers used to complain that they were

afraid the "hair" would get into their gears. I told them the best way to prevent that was to stay ahead of me.  


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#7 Pablo

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Posted 17 May 2019 - 04:21 PM

Sweet car and I love the troll  :heart:  :heart:  :heart:


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#8 Bill from NH

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Posted 17 May 2019 - 08:20 PM

I looked at eBay's aluminum solder this afternoon, but not too carefully. It looked like the sticks shown were for brazing or welding with a torch. They listed aluminum solder flux too, from Russia, India, & Latvia. Who knows what's in those bottles? I wonder what the companies that manufacture aluminum racing radiators use.


Bill Fernald
 

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#9 Brian Czeiner

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Posted 17 May 2019 - 09:12 PM

Have you tried Harbor Freight? They have a low temp (730 degrees) aluminum welding rod. 8 sticks for 15.99. claims it can be used with any low temp torch.  Don't know if its what you are looking for but might be an option for you..


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#10 Ramcatlarry

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Posted 17 May 2019 - 09:26 PM

The flux I had was liquid and I only had a trigger Weller soldering gun in those days, so very low temp melting point.


Larry D. Kelley, MA
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#11 Tom Katsanis

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Posted 17 May 2019 - 11:13 PM

Awesome car Dave I hope we get to see more of your vintage builds.

Tom

#12 hiline2

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Posted 18 May 2019 - 06:23 AM

WOW ! thats great ! Why do you think OLD cars arent interesting ?

 

heck this car would run in the DC PUNK vintage drag races !


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#13 Dave Crevie

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Posted 18 May 2019 - 09:06 AM

What Harbor Freight sells is a knock-off of Alumiweld, which is an aluminum brazing rod for use with an oxy-acetylene

torch. I have some of both that product and true alumiweld, which is available at welding supplies. The joining temp is

way too hot for this application. I don't buy industrial supplies off E-bay, but I know from other's experiences that delivery

dates can be four to six weeks after the order is placed. I can get everything I need from local industrial supply houses.

 

In my career I have welded tons and tons of aluminum and magnesium, with TIG, MIG and gas torches. Even laser

micro-welded titanium. I wish I still was working and had the access to that kind of welding equipment. Laser micro-welding

would be the way to go. I did a spring steel wing car chassis that way once.   

 

Thanks to all the guys for the kind words about the car. It's nice to see that racers appreciate my old s**t.



#14 The Sawdust Man

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Posted 18 May 2019 - 11:58 AM

I love the driver!


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#15 Phil Hackett

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Posted 18 May 2019 - 10:58 PM

McMaster-Carr or any decent welding supply.


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