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Some more redneck engineering


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#1 ol' stonebreaker ONLINE  

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Posted November 21, 2015 - 10:39 PM

  Picked up an old Hobart w/ Wisconsin TJD a few weeks ago. W/ the hand crank stub on the crankshaft I decided to adapt an extra compressor pump and a donated almost new 10 gal air tank. Had my local machinist bore the motor pulley to 1" w/ no keyway. I drilled a countersink in the stub for the setscrew to seat in. Built the hinged mount for belt tension and to be able to lift the pump while starting the engine. I rigged an air governor to the pump for pressure control and it seems to work OK. The binder is attached to keep the belt from jumping off if I hit a bad bump in the road. It doesn't add any extra tension on the belt. It should work great if the needle gun or chipping hammer are needed. W/ the RPM difference of 2300 on the TJD and the 3450 of the elec motor the pump is running at 66% of rated speed but I think it will make all the air I need.

  You might notice there's a lawn mower air filter attached to the head as I tired yrs ago of dealing w/ the cheesy little felt filter.

                                       Mike

 

hobart 001 (Small).JPG

hobart 001 (Small).JPG

hobart 002 (Small).JPG  


Edited by ol' stonebreaker, November 21, 2015 - 10:42 PM.

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#2 Cvans ONLINE  

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Posted November 21, 2015 - 11:46 PM

Two things that would concern me is the angle the compressor is mounted at and using air hose between the compressor and the tank. Proper oil circulation when parked on a slope might could be an issue. The hose will be subjected to a lot of heat and may fail in short order. Otherwise it should work. Having air in the field would be a big plus.  :thumbs:


Edited by Cvans, November 21, 2015 - 11:49 PM.

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#3 Tecumseh power OFFLINE  

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Posted November 22, 2015 - 12:51 AM

If you don't think the angle will work Mout a flat plate with slits for the bolts hole so you can slide the compressor motor for tension on it aND just make it so you can hinge the whole mount. Looks good good idea
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#4 chieffan ONLINE  

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Posted November 22, 2015 - 08:06 AM

I agree on the angle of the compressor.  I would mount it solid and use a tensioner pulley to tighten and loosen the belt.  A wide variety of equipment has been operated this way over the years so it is a proven way of doing it.  Is there leaf springs on the axle or is it solid to the frame?  If it is solid I would want larger tires and use air pressure to soften the ride a bunch.



#5 MH81 ONLINE  

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Posted November 22, 2015 - 08:14 AM

Good repurposing of existing components.

#6 ol' stonebreaker ONLINE  

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Posted November 22, 2015 - 11:06 AM

  It has 2k# leaf springs.

                                        Mike



#7 ol' stonebreaker ONLINE  

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Posted November 23, 2015 - 07:23 PM

  Leveled the pump this PM.

                                  Mikehobart 001 (Small).JPG

                                


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#8 KennyP OFFLINE  

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Posted November 23, 2015 - 07:40 PM

More better!



#9 Little Irish Men ONLINE  

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Posted November 23, 2015 - 08:00 PM

Very nice . !!!!  But I don't see the red neck engineering . O r  is it just me?

 

 

 

Patrick.



#10 Cvans ONLINE  

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Posted November 23, 2015 - 08:10 PM

Looks much better. I think your compressor will be a lot happier.  :thumbs:



#11 ol' stonebreaker ONLINE  

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Posted November 23, 2015 - 08:16 PM

Very nice . !!!!  But I don't see the red neck engineering . O r  is it just me?

 

 

 

Patrick.

  I just figure anything built w/ only pictures in my head fits the category, LOL!!

                                              Mike


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#12 Ryan313 OFFLINE  

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Posted November 23, 2015 - 08:19 PM

That's a good idea! I like that and I may take the idea one of these days.

#13 DougT ONLINE  

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Posted November 23, 2015 - 09:43 PM

  I just figure anything built w/ only pictures in my head fits the category, LOL!!

                                              Mike

As long as you're listening to the voices describe it to you, you should be alright. Looks good and should be a useful addition.


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#14 ol' stonebreaker ONLINE  

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Posted November 23, 2015 - 09:50 PM

  Nah, Doug, I'm not hearing voices-------------- YET, LOL!!

                                       Mike


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