201T and Oregon lo pro 91VXL chain

[Al Cormack]

I've been using some Oregon lo pro 91VXL on my 12" 201T the last couple of days, and the saw jumps around and snags all the time when cutting.

 

I've always used picco chain before and never experienced this kind of behaviour.

 

Anyone else have this problem?

 

Cheers...Al

[MrNick]

I have similar issues with a 91 vxl on my little echo. I decided it was a charateristic of the chain. When used up I'm going to try a 91 px to see if its less grabby.

[SawTroll]

I have similar issues with a 91 vxl on my little echo. I decided it was a charateristic of the chain. When used up I'm going to try a 91 px to see if its less grabby.

...or you could try streight VX.

[MrNick]

vx is almost the same as vxl except the length of the top plates are longer on the vxl so cannot really see how it would be different.

[Gnome]

It could be down to the length of the top plate in relation to the radius of the bar tip. If you grind the back of each of the top plates ( I have done this for carving bars) you might find that the problem is solved. there are threads on this somewhere vx chain is better IME but I think it has been superseded with newer chains.

 

http://arbtalk.co.uk/forum/chainsaw-carving-forum/70252-grinding-heels-off-3-8-lo-pro-chain.html

Edited August 21, 2014 by Gnome
Found it !!!!

[Rob D]

You may find after a couple of sharpens the chain settles down as the difference from the top plate to the depth gauge becomes smaller and allows the saw to power the chain more smoothly through the wood.

 

I find it on the tiny makita top handled saw I have - ie. jumps around and grabs - not got the power to pull the chain through from new.

 

There's some method for smaller saws like this to move away from 3/8 lo pro down to 1/4" chain -this gives less drag on the powerhead and a much smoother cut (or should do in theory).

 

Will fire this over to Les Cork for his opinion.

 

 

[SawTroll]

It could be down to the length of the top plate in relation to the radius of the bar tip. If you grind the back of each of the top plates ( I have done this for carving bars) you might find that the problem is solved. there are threads on this somewhere vx chain is better IME but I think it has been superseded with newer chains.

 

http://arbtalk.co.uk/forum/chainsaw-carving-forum/70252-grinding-heels-off-3-8-lo-pro-chain.html

 

I don't really know - but VXL does have longer cutters than most other 3/8" lo-pro chain. It should only matter regarding the Vibes etc. when cutting with the bar tip though.

[SawTroll]

vx is almost the same as vxl except the length of the top plates are longer on the vxl so cannot really see how it would be different.

 

As far as I know, that is not correct. VXL cutters are ordinary semi-chisel, not chamfer chisel like VX. Also, the VXL cutters do not havef the low-vibe "heel".

 

Someone once told me that the cutters of VXL are Carlton - which would fit with the differenses, and well could be true (the brands have the same owner).

Edited August 22, 2014 by SawTroll

[wyk]

It could be down to the length of the top plate in relation to the radius of the bar tip. If you grind the back of each of the top plates ( I have done this for carving bars) you might find that the problem is solved. there are threads on this somewhere vx chain is better IME but I think it has been superseded with newer chains.

 

http://arbtalk.co.uk/forum/chainsaw-carving-forum/70252-grinding-heels-off-3-8-lo-pro-chain.html

 

I'm not a fan of the VXL myself. It is a bit more grabby and jumpy because of the long top plate. One of the first mods a person does for a woods modded or racing chain is to grind the back of the top plate at an angle. It runs more smoothly, with less drag. It is one of the first mods I make to my work chains.

[wyk]

Here's the quick file work I do to the chains I run. It makes a huge difference when the bar is buried, and makes the chain cut more smoothly over all. The VXL got this treatment the first time I sharpened it. On the left in the pic is 73 chain, with stock unused 75 on the right.

 

 

This is how it goes in fairly hard yellow cypress:

 

Edited August 23, 2014 by wyk