UK Karting - Notice Board (2-Stroke Karting) : Re: tkm carb settings

Notice Board (2-Stroke Karting)

Re: tkm carb settings
Posted by 'itpro' on 03 Nov 2008 @ 12:12

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itproJoined: August 2001
Total Posts: 6
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Ohhh err..... more confusions!

'Rotary' does NOT mean 'Wankel' which is what you have misunderstood, here.

Basically, all engines use SOME form of 'valve' which lets air go ONE way and not another.

Crude engines like the BT82 just use the Piston as the 'valve', thus giving it two jobs!

Cleverer enginers use a rotating disk with a LARGE slot cut out of it that is attached to the crank and thus it rotates at the EXACTLY speed of the engine. It closes the 'carb' at the EXACT moment that it should and re-opens it again EXACTLY when it should. To see this, just open the throttle and rotate the motor, you will see the rotating 'guillotine' cutting and opening the airflow!

Annother option is to have a series of 'petals' which are springy. They can move ONE way to let air in, but CANNOT move the other to let air OUT! These are called 'reed valves'!

A Wankel motor is TOTALLY different and you don't want to get confused with them AT ALL!

Finally....... the Arrow is a FINE motor producing MUCH more power than the BT82. Consequently, it is MUCH more sensitive. You will be taking a HUGE risk with it if you think you can simply use 'standard settings'! All PROPER 2 stroke racing motors are NOT safe using such a concept! The engines are run SO near the limit of their ability that a seize is LIKELY if your 'perfect' settings get 'tripped up' by changing weather conditions!

Post your email address here and I'll send you MY suggested way of setting your carb. It is NOT a set of 'settings' but a way of finding out the CORRECT setting which can change by the HOUR!

Ian

Message Thread:

hewland arrow by 'marcy' (03 Nov 2008 @ 10:22)

Re: hewland arrow by 'raceinstructor' (03 Nov 2008 @ 10:30)

Re: hewland arrow by 'marcy' (03 Nov 2008 @ 10:35)

Re: hewland arrow by 'raceinstructor' (03 Nov 2008 @ 10:45)

Re: hewland arrow by 'marcy' (03 Nov 2008 @ 10:46)

tkm carb settings by 'marcy' (03 Nov 2008 @ 10:58)

Re: tkm carb settings by 'itpro' << You are here!

Re: tkm carb settings by 'marcy' (03 Nov 2008 @ 18:32)

Re: tkm carb settings by 'marcy' (03 Nov 2008 @ 19:58)

Re: hewland arrow by 'SteveC' (03 Nov 2008 @ 11:26)

Re: hewland arrow by 'marcy' (03 Nov 2008 @ 12:05)

Re: hewland arrow by 'QuickOldTimer' (03 Nov 2008 @ 12:28)

Most tilly's I ever ran........ by 'SteveC' (03 Nov 2008 @ 12:35)

Re: Most tilly's I ever ran........ by 'itpro' (03 Nov 2008 @ 13:45)

It'll be interesting to see how fast it goes! by 'SteveC' (03 Nov 2008 @ 13:51)

Re: Most tilly's I ever ran........ by 'DavyBoy' (03 Nov 2008 @ 14:00)

I never had any trouble. by 'SteveC' (03 Nov 2008 @ 14:20)

Re: Most tilly's I ever ran........ by 'QuickOldTimer' (03 Nov 2008 @ 14:27)

Re: Most tilly's I ever ran........ by 'itpro' (03 Nov 2008 @ 16:30)

Re: Most tilly's I ever ran........ by 'RevvedUp' (03 Nov 2008 @ 17:36)

Re: Most tilly's I ever ran........ by 'QuickOldTimer' (03 Nov 2008 @ 17:46)

Re: hewland arrow by 'marcy' (03 Nov 2008 @ 19:42)

Re: hewland arrow by 'DavyBoy' (03 Nov 2008 @ 21:20)

Re: hewland arrow by 'MickPritchard' (03 Nov 2008 @ 21:55)

Re: hewland arrow by 'marcy' (03 Nov 2008 @ 23:00)

Re: hewland arrow by 'itpro' (04 Nov 2008 @ 1:50)

Re: hewland arrow by 'marcy' (04 Nov 2008 @ 8:51)

Re: hewland arrow by 'MickPritchard' (04 Nov 2008 @ 9:06)

Re: hewland arrow by 'marcy' (04 Nov 2008 @ 9:21)

Re: hewland arrow by 'marcy' (04 Nov 2008 @ 9:44)

OK Marcy... here's the situation by 'DavyBoy' (04 Nov 2008 @ 19:47)

Re: OK Marcy... here's the situation by 'gyfto1' (04 Nov 2008 @ 21:22)

Re: OK Marcy... here's the situation by 'marcy' (04 Nov 2008 @ 23:35)

Re: hewland arrow by 'marcy' (16 Nov 2008 @ 19:44)

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