SuzukiSavage.com /cgi-bin/YaBB.pl General Category >> The Cafe >> Cool blue flame /cgi-bin/YaBB.pl?num=1340548839 Message started by Greg on 06/24/12 at 07:40:38

Title: Cool blue flame Post by Greg on 06/24/12 at 07:40:38 When I go home from my buddy's house last night (aprox 30 mile ride) and shut my scooter off, a large-ish pretty blue flame shot out of its butt! Sonically, it only emitted a soft pfft but it was visually striking!

Title: Re: Cool blue flame Post by ToesNose on 06/24/12 at 08:07:26 Did you and your bike have chilli for dinner  before this 30 mile ride?   :D

Title: Re: Cool blue flame Post by justin_o_guy2 on 06/24/12 at 22:23:31 You can achieve that cool blue flame yourself, with a match,,

Title: Re: Cool blue flame Post by Serowbot on 06/24/12 at 22:34:18 The length of the flame = cool factor... ;)...

Title: Re: Cool blue flame Post by Dave on 06/25/12 at 09:20:11 When you shut the engine off it stops the ignition - but it does not stop the air flow through the carb and the mixing of fuel.  The air and fuel that goes through the engine and into the exhaust unburned.  If the pipe is warm enough to heat the fuel to a temperature that it will ignite - then it burns in a slow growl as it is not compressed as it would be in the cylinder. I think it is kind of cool to hear.....and I don't consider harmful or a design defect.

Title: Re: Cool blue flame Post by Greg on 06/25/12 at 10:04:49 102B2631202C37312A222F30430 wrote: ...I think it is kind of cool to hear.....and I don't consider harmful or a design defect. I agree!

Title: Re: Cool blue flame Post by verslagen1 on 06/25/12 at 10:53:39 5E65687F6E62797F646C617E0D0 wrote: When you shut the engine off it stops the ignition - but it does not stop the air flow through the carb and the mixing of fuel.  The air and fuel that goes through the engine and into the exhaust unburned.  If the pipe is warm enough to heat the fuel to a temperature that it will ignite - then it burns in a slow growl as it is not compressed as it would be in the cylinder. I think it is kind of cool to hear.....and I don't consider harmful or a design defect. Great explaination of what a poof is. And the flip side of that is the Bang... Lean burning causes missing, unignited fuel collects in the muffler, on shutdown, fresh air/fuel enters the muffler, when this hits the hot muffler, it ignites as well as the unburnt fuel causing a much louder explosion.  tune for the poof for efficiency.

Title: Re: Cool blue flame Post by justin_o_guy2 on 06/25/12 at 12:16:46 tune for the poof Funny, but true.

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