What was the first clamshell chainsaw?

[Yukon Stihl]

Stihl Contra, introduced in 1959.

Nope not a clamshell The Contra has a removable cylinder

 

[Sidecarflip]

Maybe he meant 'Contraceptive'.........

 

[Chainmale]

Then there's the Husqvarna 350 clamshell hybrid with a bolt on cylinder

 

[huskydave]

Maybe he meant 'Contraceptive'.........

My Bad, Contra was split up the middle. I am sure their was something in the older days, but it would take some research.

 

[cscltd]

Then there's the Husqvarna 350 clamshell hybrid with a bolt on cylinder
View attachment 1186119

Jonsered did that before Husqvarna did, but I think with a cast traditional block

 

[LuDookie]

I’ve got more vertically split case saws than clamshells, but a good clamshell gives just as long a service life s my “pro” saws. Echo cs400 comes to mind. They get used and abused because of how cheap and light they are, and run forever. But I can see how a plastic chassis with a clamshell engine insert would not be as suitable for a bigger, more powerful saw.