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Author Topic: Long Bar Mac  (Read 584 times)

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Offline Cut4fun .

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Long Bar Mac
« on: July 10, 2013, 12:53:31 pm »
I havent a clue on model.

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Offline Eccentric

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Re: Long Bar Mac
« Reply #1 on: July 10, 2013, 01:13:54 pm »
We haven't figured that one out yet.  As it has an auto oiler pump, the 'original' model was probably an 840, 890, or 895.  The engine looks to have been swapped.  Exact identification of the engine is still ongoing...
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-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 brokenbudget

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Re: Long Bar Mac
« Reply #2 on: July 10, 2013, 02:06:53 pm »
sexy model? :-*
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Offline Cut4fun .

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Re: Long Bar Mac
« Reply #3 on: July 10, 2013, 02:13:26 pm »
I didnt know he had posted them there yesterday too  :D. I had them saved  from where we all talk. 
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Offline Cut4fun

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Re: Long Bar Mac
« Reply #4 on: July 10, 2013, 04:37:06 pm »
Here is what was said about it.    2:1 gear 895 103cc
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Offline Eccentric

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Re: Long Bar Mac
« Reply #5 on: July 10, 2013, 06:30:50 pm »
Quote from: Cut4fun on July 10, 2013, 04:37:06 pm
Here is what was said about it.    2:1 gear 895 103cc


Where was that posted?
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-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 Cut4fun .

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Re: Long Bar Mac
« Reply #6 on: July 10, 2013, 07:27:26 pm »
Chainsaw Collectors is where I head for old saw info.  You will notice a lot of familiar usernames  do too.  ;)   http://www.chainsawcollectors.se/phpbb3/index.php
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Offline Al Smith

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Re: Long Bar Mac
« Reply #7 on: July 10, 2013, 08:20:45 pm »
Well I learned something .I figured about mid 60's was the last of the big gear drives ,Guess not that saw was mid 70s'.

With 2 to 1 reduction considering the bar length it would be relatively fast all things considered .The pot licker would be like lifting a bowling ball on the end of a broomstick though .With that bar I'll bet it doesn't miss 50 pounds very far .
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Offline Eccentric

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Re: Long Bar Mac
« Reply #8 on: July 11, 2013, 12:27:44 am »
Ah.  I've been a member of Magnus' site for years.

Al the Mac gear drives were made until the mid 1970's.  Last one was the 895C.  The mighty Homelite 3100G (gear drive 2100) was made until 1973 or so.  The Homelite Super 1130G and Super Wiz 80 were made until around 1986.  Not much call for gear drives anymore........but in certain circumstances they are the ONLY tool for the job.  Those days are gone now...
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-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 mcbob

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Re: Long Bar Mac
« Reply #9 on: July 11, 2013, 09:07:17 pm »
Isn't wearing a full compliment chain as well ?
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