Model Boat Mayhem

The Shipyard ( Dry Dock ): Builds & Questions => Pleasure boats, Sports, Race, Power and Leisure Boats: => Topic started by: digger on April 27, 2009, 07:08:50 pm

Title: cmb carb settings
Post by: digger on April 27, 2009, 07:08:50 pm

could any one help and tell me the best baseline settings for a cmb 90 its an old gold top
thanks guys
regards
Darren

Title: Re: cmb carb settings
Post by: omra85 on April 27, 2009, 10:25:17 pm

It's usually done by ear at the lakeside as the carbs differ so much.
A start for the main needle would be about 2 turns out. Idle needle also about 2 turns then move it in until it ticks over evenly.
Paul Dengate's site has some useful information on it (worth reading)
http://www.icboats.org/boat/documents-pdf/glow%20fuel%20engines.pdf (http://www.icboats.org/boat/documents-pdf/glow%20fuel%20engines.pdf)
Danny