Thanks.
So glad to see i am not the only one being confused....

The spring is under compression when the pedal is all the way up. At the very start it compresses a bit more and yes, it adds a bit of resistance at this point, but after a little bit of travel it starts extending and reducing pedal pressure.

Thanks for clarifying - I think I get it.
My understanding is sketched below - not exactly an engineering drawing but what the heck.
The compressed spring is applying a force to both sides of the pivot depending on the position of the pedal - hence the dual function - right?
Quite clever!

http://986forum.com/forums/uploads02...1532950989.jpg

Yes, that's exactly how it works.

Isn't it gratifying when you understand how some piece of engineering works? Like you, I sometimes finding myself asking "how", then think, then sketch, then think some more. At some point there is usually an "ah-ha!" followed by a smugness as if I just figured out all of the mysteries of life.

Anyway, kudos for figuring it out, but perhaps even bigger kudos for asking "how"...that's becoming a lost art. It seems that more and more people care less and less about how or why something works, and when it breaks, they act like a child with a broken toy expecting someone to come and magically fix it. I find it all pretty sad, I just hope this isn't an evolutionary shift. :(

Thanks for your kind comment!
I was so frustrated over this I lost a couple of nights’ sleep......
But with a bit of help from the forum and then some sketching and thinking, the penny dropped.
Gotta keep that brain working!

Spring update
 

On racetrack yesterday - two more spring sections fell down into footwell after a couple of hefty rounds....
Indicating that there must be even more up there - the ending of the spring to the left is still missing. I am not worried about it anymore - but just for interest.
How long is this spring in uncompressed state - anyone knows?

http://986forum.com/forums/uploads02...1533472436.jpg

https://uploads.tapatalk-cdn.com/201...944a2637aa.jpg


Sent from my iPhone using Tapatalk

Thanks - my three parts are adding up to just over 90 mm.
So basically only missing a couple of mm that is probably still stuck in there.

Interesting to see the end colour of yours is red - mine is blue - sigifies what I wonder?

By memory there’s a few different spring rates depending on model/market and would answer why there is varying opinions on the spring aided clutch feel. I can say that the spring I had absolutely killed the feel of the clutch biting and resulted in me stalling on more than one occasion.
The McMaster Carr spring I have now offers no assistance but is enough to insure the pedal returns to the switch and prevents side to side play that is bothersome with the assembly removed.

Side note: I have a number of extra McMaster Carr springs available for free pickup in MA. Not worth shipping.