Modifying a bar tail

[Deets066]

32" Sugi with 105 DL chain requires no mods to run 7, 8, or 9 pin sprockets

But this is the only bar that has worked that way. I modded a 24" cannon to run a 9 pin so I didn't have to add DL to the chain. I just nipped the bar tail a little is all. Now it mostly wears a 7 pin with the hybrid

 

[CR500]

32" Sugi with 105 DL chain requires no mods to run 7, 8, or 9 pin sprockets

But this is the only bar that has worked that way. I modded a 24" cannon to run a 9 pin so I didn't have to add DL to the chain. I just nipped the bar tail a little is all. Now it mostly wears a 7 pin with the hybrid

Do you think it is just a sugi design?

I will have go compare a sugi to a Stihl bar today then lol

Sent from my non internal combustion device.

 

[Deets066]

Slot is longer, never really compared the tail.

If you put a 7 pin on a Sugi the slot will stick out past the clutch cover.

 

[CR500]

have to buy a 9 pin then.

If I have to I can modify a different bar, no biggie

 

[Cut4fun]

On a big stihl bar never had to cut for a 9. 10 up yep.

Also use a 24" bar to make one to run a 11 up for 72DL.

 

[jmssaws]

Most any bar will work with a 9pin
You have to do a little work for a 10pin
But clearance ain't the only problem, you have to have a wide tail to keep the chain on with a 10pin or cut the bar down till it's wide enough.
Takes a damn sporty saw to be faster with a 10pin than a 9pin.

 

[Darin]

Most any bar will work with a 9pin
You have to do a little work for a 10pin
But clearance ain't the only problem, you have to have a wide tail to keep the chain on with a 10pin or cut the bar down till it's wide enough.
Takes a damn sporty saw to be faster with a 10pin than a 9pin.

How bout a 10 pin on a Mac 797? Not sure to go 9 or 10. Been reading a lot and 9 might be best. Going on 36" Oregon sprocket nose 3/8 .063 skip chisel.

 

[T.Roller]

How bout a 10 pin on a Mac 797? Not sure to go 9 or 10. Been reading a lot and 9 might be best. Going on 36" Oregon sprocket nose 3/8 .060 skip chisel.

797 a gear drive?

 

[T.Roller]

Nevermind I see that it's not

 

[Darin]

797 a gear drive?

Not a gear drive.

 

[T.Roller]

Not a gear drive.

Why skip chain?

 

[Darin]

Running an 8 pin 3/8 now.

Why skip chain?

Soft pine. Firewood saw. Less to file. Less drag.

 

[T.Roller]

Running an 8 pin 3/8 now.

Soft pine. Firewood saw. Less to file. Less drag.

A 797 is your firewood saw?!?! Yikes lol I agree with the less to file. I hate filing long chains

 

[Deets066]

Milled a whole new mount a little farther up the bar where it was wider. It needs a little more work yet

 

[Darin]

A 797 is your firewood saw?!?! Yikes lol I agree with the less to file. I hate filing long chains

I prefer vintage muscle saws. Only cut about 30 cord a year. 075 and 2101XP are in my firewood arsenal also.

 

[T.Roller]

I prefer vintage muscle saws. Only cut about 30 cord a year. 075 and 2101XP are in my firewood arsenal also.

Oh my. Great lineup!

 

[T.Roller]

View attachment 52767

Milled a whole new mount a little farther up the bar where it was wider. It needs a little more work yet

Looks better than mine. I used an angle grinder with a cutoff wheel, and finished with a Dremel

 

[Darin]

Oh my. Great lineup!

I work a full time job and cut firewood on the side. Bigger saws get the job done faster. It's all 20" up to 3' and some bigger. Soft pine dead snags. Drop the rakers and run skip chisel. My 797 is strong as hell, lots of torque. My 075 out cuts it in smaller diameter wood as it should. Faster chain speed. It's got a 3/8 8 pin also. It's got about 5mm less stroke than the 797 with about the same bore. Shorter stroke more revolutions, so probably a 9 or 10 pin on the 797 should put them at about the same chain speed. Not looking to make it a race saw. Just trying to dial it into what I cut most. Big Macs built to pull big bars in big wood. I don't cut stuff that big.

 

[T.Roller]

I work a full time job and cut firewood on the side. Bigger saws get the job done faster. It's all 20" up to 3' and some bigger. Soft pine dead snags. Drop the rakers and run skip chisel. My 797 is strong as hell, lots of torque. My 075 out cuts it in smaller diameter wood as it should. Faster chain speed. It's got a 3/8 8 pin also. It's got about 5mm less stroke than the 797 with about the same bore. Shorter stroke more revolutions, so probably a 9 or 10 pin on the 797 should put them at about the chain speed. Not looking to make it a race saw. Just trying to dial it into what I cut most. Big Macs built to pull big bars in big wood. I don't cut stuff that big.

Does your 797 have a kart motor

 

[Darin]

Does your 797 have a kart motor

No kart motor either. All stock. New crank bearings and seals, all new gaskets and carb kit.