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Old 12-09-2010, 12:54 AM   #71 (permalink)
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Old 12-12-2010, 05:48 PM   #72 (permalink)
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Here's a video just to give you a better sense of how this propane generator works.

Also, I still need a muffler for the generator. The original would have been a flat rectangular one. Any of the original parts for this generator get expensive quick. The exhaust manifold tube on the generator is a 1" round pipe.
What do you guys think of me getting a plain riding lawn mower muffler and attaching it with a u-bolt? I should be able to find a muffler from a mower of similar engine size. I would know how to size a muffler otherwise.
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Last edited by bennelson; 12-12-2010 at 05:56 PM.. Reason: muffler comment
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Old 12-13-2010, 01:06 AM   #73 (permalink)
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A muffler from anything with an engine as big or bigger will do. Like with any ICE you'll get better power out of it if the exhaust pressures are low. Say, do you have an old geo one...
You should consider where you want the exhaust to go. With some pipe and fittings you could rout the exhaust gas to go where you want. You could even make it into a heater with an radiator and fan... but you'd have to be careful with that one...
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Old 12-13-2010, 10:44 AM   #74 (permalink)
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I don't have the original Geo muffler any more, but I did think it would be funny to hang the generator muffler where the Geo Muffler went....


Also, I have an old (1960's era) camping trailer I bought last summer to restore. Unfortunately, it's been the project at the bottom of my list.

It does, however, have dual 20# propane tanks on the front of it. The one bottle was a modern OPD tank (and it was empty), the other was the older-fashioned type WITHOUT the overfill protection device, and it is full.

Between the two bottles was a T-fitting, that then went to a regulator. (I have no idea if the regulator is good anymore - it's pretty old.

The connector going to the trailer was corroded, so I had to cut that line to remove the T and regulator. Anyways, this now means that I have a T connector to try the "two 20# tanks hooked together" trick.

I still have no idea if that will work or not. Also, I am going to visit the nearest propane place this morning and see if they can give me any direction.
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Last edited by bennelson; 12-13-2010 at 12:05 PM.. Reason: Trailer T-fitting
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Old 12-13-2010, 02:02 PM   #75 (permalink)
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Nice work ben. As always, your projects are a great inspiration to all of us ecomodders. I'm looking forward to reading about your results when this project is complete.
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Old 12-14-2010, 06:39 AM   #76 (permalink)
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^.^ Watchin this one quite closely... I have my own plans that in part will benefit from your experiments... :3 Tho its a bit more insane.
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Old 12-14-2010, 10:57 AM   #77 (permalink)
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Work on the project yesterday was frustrating.

I did go pick up a riding lawn mower muffler. Only $7 at the hardware store. It uses standard 1" pipe thread, so I picked up a 1" pipe nipple a couple inches long while I was there.

However, I searched the WHOLE STORE to find something that could connect to the 1" straight tube of the generator's exhaust and could find NOTHING!

I checked electrical conduit and connectors, plumbing, and anything else I could think of. There was NOTHING there that would simply slip over and clamp onto a 1" (OD) pipe!

I did get all the sheet metal put back on the generator. For as many screws as I needed, I just bought a box. However, when I was reassembling, I found out a few holes were a different size, so there's STILL a few holes missing screws.

I pulled two BBQ tanks off an old camping trailer, along with the "T" and regulator connecting them. One tank had the modern OPD valve on it (that one was empty) and the other had the older-style valve and was full!

It's been cold around here lately. This morning it was negative 1 degree Farenheight. Removing LP tanks from a backyard in that weather is not fun. The line to the camper was corroded, and had to be chopped off.

So, I now have THREE, yes, THREE LP tanks to run the generator from. I have a forklift tank with a vapor out ( when stood vertical, about 40 inches long, 100 pounds) an RV tank (horizontal mount, about 40 inches long, 100 lbs) and an old school 20# BBQ tank.

Of course each of the three has a different style connector....

When I was at the hardware store, I picked up several different hose barbs to be able to make the connections from the various tanks to the generator.

I had been using the tall forklift tank to experiment. I did get the generator up and running using that tank. Of course that tank is not particularly portable, so it's not what I want to use in the final version of this project, but it did run the generator.

So, last night, when I was working on the project again, I hooked up the old-school BBQ tank, really thinking that it would work, as it didn't have the OPD, and seemed to have really good flow out. I hooked it to the genny and..... NOTHING. Couldn't get the generator to run.

Grrrrrr.

Next, I hooked it to the RV horizontal tank, which supposedly, is what originally ran this generator. I cranked the starter and.... Black Smoke! AND NO STARTING! Bad LP? Old corroded regulator? Who knows.

So, lets go back to the tank that works. I, once again, rigged up the forklift tank (keep in mind that I don't have a separate primary regulator for each tank; everything I switch, I need to swap parts, thread in new adapters, etc.)
And the good old forklift tank, the one that always worked...
NOTHING! That one wouldn't start the generator either!

ACK! I must be cursed. All that work, and now it won't start at all....

The one upside is that I did figure out how to run the remote start. I just have to ground wire #17! Of course, why didn't I think of that sooner!

It will be real easy to rig a wired remote starter for the generator now.

Assuming I can get it to start at all....
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Old 12-14-2010, 03:13 PM   #78 (permalink)
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The force is with you young ben. We have faith in you!
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Old 12-15-2010, 07:59 PM   #79 (permalink)
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MWaaa ha ah HA ha ha ha ha!!!!

It's alive!

No, not at the full power level, or even to the point of "yes, that part is bolted down..."

but I DID do a rolling test!

That's right, I had my HYBRID car up to 25 mph down the street!

Further updates to come as I get the video up!
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Old 12-15-2010, 08:10 PM   #80 (permalink)
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"MWaaa ha ah HA ha ha ha ha!!!!"

I like him :-) and did not have to hand over $35k to get it !! (prius plus financing)

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