Author Topic: Gear drive 10 10 Mac  (Read 301 times)

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Offline Cut4fun .

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Gear drive 10 10 Mac
« on: September 12, 2015, 04:46:32 pm »
While the ebay parts seller was here getting 3 saws from me. He told me he had about 600 saws and one of them is a McCulloch 10 10 gear drive. Mac 70 something ?  Anyone got info so I can learn about this.
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Offline Al Smith

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Re: Gear drive 10 10 Mac
« Reply #1 on: September 12, 2015, 08:01:07 pm »
I guess they made them,why I have no idea especially a 10-10 gear drive .I can't imagine what good that would be .

Offline pete

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Re: Gear drive 10 10 Mac
« Reply #2 on: September 12, 2015, 08:37:30 pm »
 Hi cut I have 4 mac 10 10 geardrives   2 10 g basket case  2x  LG6a  and a g70  they are now few and far between also there is a 5 10 g   Running 1/2 inch chain  good machine to acquire for trading as they are so uncommon now.  Also check to see  if he has any of the electric starts  there is the 3 10e 5 10e and 10 10e and super 10 10e  mikes site has the details listed and there are some pics in cscf library cheers

Offline Cut4fun .

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Re: Gear drive 10 10 Mac
« Reply #3 on: September 12, 2015, 09:09:06 pm »
I can get you  his ebay seller info.  He said is had the number 70 in it from what I can recall.  Hmmm KP outdoors comes to mind off hand.

I know about the electric starts but didnt ask. Was a neat idea back in the day.
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Offline pete

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Re: Gear drive 10 10 Mac
« Reply #4 on: September 13, 2015, 07:09:04 am »
The Aussie dollars dive into oblivion has all but put a stop to any overseas purchases,getting under 66c usa per aussie dollar but I will check out those site ideas

Offline Eccentric

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Re: Gear drive 10 10 Mac
« Reply #5 on: September 13, 2015, 04:05:33 pm »
That saw is likely a G70.  There were a number of 54-70cc 10-series gear drives.

I have a 5-10G plus a parts saw and a partial carcass.  Will build a nice runner out of the lot at some point.  There are many saws ahead of it in the project line.  IIRC, it had a 32" or so bar and a loop of 1/2" on it when I got it.
-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: Gear drive 10 10 Mac
« Reply #6 on: September 13, 2015, 07:12:57 pm »
I ran some mac gear drive that belonged to Al Smith that impressed the heck out of me. Wasnt like no slow gear drive I ever seen before.
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Offline Al Smith

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Re: Gear drive 10 10 Mac
« Reply #7 on: September 13, 2015, 07:20:32 pm »
The only reason I can possibley think of for running reduction on a 10 series saw is possibley a lighter weight saw that could handle longer bars .

It would make sense for example how a 700 would have more RPMs than say an 80 or 87 c cc reed engine but it certainly would not have the torque of a reeder .

Offline Al Smith

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Re: Gear drive 10 10 Mac
« Reply #8 on: September 13, 2015, 07:22:22 pm »
That was 650 which is 87 cc .That engine runs at over 9,000 under load and it's a two to one reduction .It's dandy but heavy as lead .

Offline mcbob

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Re: Gear drive 10 10 Mac
« Reply #9 on: September 14, 2015, 01:12:09 am »
Sounds like a 7-10 with a gearbox the G-70 out here in Australia the railways used them on bridge construction
I am a idiot so my pics disappeared.

 

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