Author Topic: Bar to fit old GE ElecTrak Chainsaw  (Read 238 times)

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Offline John Mc

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Bar to fit old GE ElecTrak Chainsaw
« on: July 27, 2015, 11:54:54 am »
Several Decades ago, GE made a 36 volt electric garden tractor. There were all sorts of accessories you could get to plug into it. One of these was a 36 volt corded electric chain saw rated at 1 HP.  The saw came with a bar that was 13" long. Does anyone know of a currently available replacement bar that will fit? I'd prefer in the 13 or 14" range for length.

Also, I've found a .325 pitch rim sprocket that fits the saw (Husky #640 20 00-10. I believe this is the same thing as the Oregon #11892). I'm wondering if there is a 3/8 LP sprocket that will also fit.  I'm guessing that 3/8 LP might be a better match than .325, but I would take whatever bar and sprocket will fit with minimum modifications. I'd also be interested in people's thoughts on .325 vs 3/8 LP for this saw. Being an electric saw, the torque curves are quite a bit different than those for a small gas engine.

The saw will be used on my brother's ElecTrak. It's more of a novelty than something that will be used in regular cutting. He might take it out for cleaning up a few blown down limbs after a storm.or occasionally buck up some smaller firewood.

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Offline 660magnum

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #1 on: July 27, 2015, 12:22:51 pm »
In the Oregon catalog there are pictures of the various bars they currently offer.

Remove your bar and compare with the "shadow" pictures in the catalog?
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Offline 660magnum

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Offline John Mc

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #3 on: July 27, 2015, 12:30:34 pm »
Thanks, I'll take a look when I get back home to the saw.

Offline John Mc

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #4 on: July 27, 2015, 12:44:46 pm »
Does 3/8 LP chain run on the same sprocket as regular 3/8 chain? A dealer told me yes, but I thought I remembered hearing they were slightly different. 

BTW, the .325 sprocket that I have which fits (noted above) is a small spline (approx 3/4" ID).

Offline 660magnum

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #5 on: July 27, 2015, 01:37:06 pm »
The smaller Stihl consumer saws are noted for having the smaller spline.

Some people have run regular 3/8 pitch rims with (3/8 LP), low profile, or Pico chain.

Typically the small saws that run 3/8 low profile chain run a spur in stead of a rim and also it only has 6 teeth on it.
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Offline John Mc

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #6 on: July 27, 2015, 02:58:15 pm »
I don't know much about Stihl saws, but was told they mainly use a mini (5/8" ID) or a large/standard spline (7/8" ID). If they make a 3/4" that will work with 3/8" LP, I'll have to check it out.

Any idea which would be easier for a 1 HP electric motor to pull, .325 NK, or 3/8 LP ? I don't use either on any of my saws, so don't have much experience with them.

Offline 660magnum

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #7 on: July 27, 2015, 04:34:59 pm »
3/8 LP
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Offline Eccentric

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #8 on: July 27, 2015, 08:33:38 pm »
Can you take a pic of the old bar for us?  Need to see a good clear pic of the tail end of the bar.  Measure the width of the stud slot in the bar as well.  I'm betting that they used a commonly available bar mount when they designed that saw.  Probably A095 small Homelite/Husqvarna/Pioneer, A041 small Poulan/Echo/etc, or similar.

These are what we're comparing against...

http://www.acresinternet.com/cscc.nsf/673d78ec01557aea88256b00005457e6/e39f46cf37dbe4a088256e0d0051dd49?OpenDocument
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.

Offline Eccentric

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Re: Bar to fit old GE ElecTrak Chainsaw
« Reply #9 on: July 27, 2015, 08:34:47 pm »
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.

 

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