Locomobile

A section for all non-Steamboat things and machinery - Steam vehicles, trucks, plant, cars etc...
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DetroiTug
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Re: Locomobile

Post by DetroiTug » Wed Apr 02, 2014 2:25 am

Here is the water pump on the engine. I thought someone may be able to use this when designing a water pump for their engine. The connecting rod pivots on a pin deep inside the piston body. The pump arm has a sliding block similar to a scotch yoke.

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-Ron
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Re: Locomobile

Post by TahoeSteam » Thu Apr 03, 2014 1:04 am

That is a very interesting setup for that pump Ron. Thank you for showing us.

Did you use a spool gun whilst welding the tank or did you TIG it?
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Re: Locomobile

Post by DetroiTug » Thu Apr 03, 2014 3:18 am

Hi Wes,

That is TIG welded. I have a spoolgun for Aluminum too, but I never use it, too finicky. It works good for stainless. The basic necessity of aluminum welding is cleanliness. The MIG is too fast, for best results paint acid in the path and rinse with water and let dry - too much trouble. The TIG is slow and gives time for the heat to clean the surface before the filler rod goes down. One trick I use for heavier Aluminum is make a prepass with torch only which cleans the surfaces and preheats the path, the filler rod flows right in. TIG is a little tricky, but once learned it makes aluminum welding pretty easy. Higher conductive metals like alum and brass etc, are a pain because their conductivity is always pulling the heat away, large mass items need to be preheated in an oven or with a torch. Any heat helps. I use helium shield gas, it is much hotter than straight argon.

For comparison, after all that welding of seams on that tank, I had three tiny little leaks to fix. One reflow on each made the repair. Had it been steel and done with a MIG I would have had several requiring multiple repairs. The Tig on aluminum is the easiest way to make a tank like that.

-Ron
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Re: Locomobile

Post by DetroiTug » Mon Apr 07, 2014 3:00 am

Got the differential casting back from the foundry on Friday. Machined and assembled then fitted it all to the rear axles.

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-Ron
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Re: Locomobile

Post by DetroiTug » Sat May 17, 2014 11:43 pm

A little update on the Locomobile project. Moved the car on air pressure today. Pretty exciting.

Will start piping it next weekend and hopefully fire it up soon after. There isn't much piping on this, nothing like the tugboat.



-Ron
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Re: Locomobile

Post by DetroiTug » Wed Jun 04, 2014 12:56 am

Drove it over the weekend:



-Ron
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Re: Locomobile

Post by TahoeSteam » Sat Jun 28, 2014 4:23 pm

Ron that puppy looks like a ton of fun!

Now all we need is sound
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Re: Locomobile

Post by DetroiTug » Sat Jun 28, 2014 7:50 pm

Here you are: :D

Notice the highly technical semi-automatic gauge compensator.



-Ron
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Re: Locomobile

Post by TahoeSteam » Sun Jun 29, 2014 4:32 pm

Thank you for posting that!

You would make Mr. Allnut proud! :lol:
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Re: Locomobile

Post by Scotty » Sun Jun 29, 2014 5:09 pm

Hallo Ron,
very impressive!!

The small rear view mirror beside the right forewheel, is it for checking the water level?
Anyway I would be interested in the ways the boiler is regulated (waterlevel, power output etc.)

regards
Scotty

ps: the semiautomatic gauge compensator needs a shine. :D
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