Running small engine off foreshots

[B-Man]

I have read about doing it and in the end it looks too hard for the gain.
Bigger jets advance timing, corrosion carby seals going to shit. Etc etc.

But then i saw a video of a bloke running a mower on everclear. Which is 190 proof.

The difference is he was running it off the fumes.
Would this work better?

Anyone got any thoughts?

[wynnum1]

Gas turbines can run on alcohol with the water if you look on internet they where building cars over 50 years but where not that successful but one day may be possible as they do make small generators sets gas turbine that run on diesel as seems they need less maintenance and use as back up power on things like mobile phone towers.

[B-Man]

I was thinking something like a push or ride on mower.
Why I think vapours would work better than just chucking it in the tank.
You would be bypassing the carb so you could start it on fuel if its hard to start.
You wouldnt have to worry about bigger jets or the water corroding the carb or the ethanol deteriorating the carb gaskets.
Obviously a few saftey concerns to consider.

[A&O]

Very interesting idea. Getting the alcohol to vapourise might be an issue. With LPG it is either direct injected or vaporised in a converter, but the boiling/vaporisation of lpg is something like -40c or there abouts making it realitivly easy. Ethanol is 80 something and whatever makes up heads probably start boiling somewhere from 50c and upwards.

I’m mechanically minded as have been swinging spammers for 30 odd years, so someone with a chemistry background or has experience with dealing with volitile gases should chime in.

[wynnum1]

Have read that alcohol can be converted to methane in a bio reactor and they where putting waste cans of beer in a methane bioreactor in South Australia so could probably dilute so did not kill the microbes and produce methane which then could be used. Have seen in India where they use fresh cow manure and turn that into methane on farms to run the house stove.

[bluc]

If you vaporise it. It would still be ethanol wouldnt you have same issues with seals etc?

[wynnum1]

If you vaporise it. It would still be ethanol wouldnt you have same issues with seals etc?

Engines that run on ethanol are built to not be affected so need an engine built for ethanol .

[B-Man]

If you vaporise it. It would still be ethanol wouldn't you have same issues with seals etc?

not if your bypassing the internals of the carby and sending it straight through the middle.

I probably should have said fumes not vapours

this is the video
https://www.youtube.com/watch?v=2XB2MeNgVW0

obviously his alcohol container could be modified for the air to come up from the bottom and that would give it more run time.