Experience of isopropyl - good read (long)
 

Re: Experience of isopropyl - good read (long)
 

bump for good info

Re: Experience of isopropyl - good read (long)
 

WOW, ... This demands re-reading to get it past the thick part of my ordinary brain.!!!!!

Re: Experience of isopropyl - good read (long)
 

OK,

So basically it's too rich if used the injection configuration of methanol/ethanol?
What if he had adjusted the AFR to match an ideal Lambda?

I imagine that methanol has more oxygen content than iso alky.
I imagine that you will need a smaller nozzle for iso alky?

Isopropyl also contains a higher energy content than methanol
There is conflicting info on the internet about the octane of isopropyl.

and what is the stoich of Isopropanol?

Re: Experience of isopropyl - good read (long)
 

Methanol: ......... 6.43
Ethanoi:............ 8.94
Isopropanol: ..... 10.28
Butanol: ........... 11.12
Pantanol: ......... 11.68
Gasoline: .......... 14.70

Re: Experience of isopropyl - good read (long)
 

Hey richard, I had asked some chemist on Quora.com what the stoic is, the responded 11.4:1

His response:

No wonder they were shooting flames.

Re: Experience of isopropyl - good read (long)
 

I got the data from here:

http://www.aquamist.co.uk/forum/alcohol fuel.pdf

Re: Experience of isopropyl - good read (long)
 

Why would any use Isopropanol instead of ethanol or even methanol which are surely a better alcohol ?

Re: Experience of isopropyl - good read (long)
 

Found this on another forum

http://subypal.blogspot.co.uk/2011/1...injection.html

Re: Experience of isopropyl - good read (long)
 

Great find Dust ! A must read !

According to this article isopropyl is all way better than methanol.. what about the corrossion ? Is isoprpyl a winner here again ?

Re: Experience of isopropyl - good read (long)
 

Corrosion and rubbing alcohol

http://www.123helpme.com/view.asp?id=85097

According to the article above rubbing alcohol consist of :

Rubbing Alcohol Components

Isopropyl alcohol is a clear, colorless liquid with a somewhat bitter taste and a smell of acetone. Rubbing alcohol contains:

v 70% Isopropyl Alcohol
v Small increments of water
v Methanol,
v Ethanol,
v And/or ethylene glycol.

So rubbing alcohol is not 100% isopropyl but a mix of alcohols !

. Corrosion and Rubbing Alcohol

Because the rubbing alcohol has some amounts of water in it, as well as a ?stripping? component, (used for eliminating germs), I believe that testing the different metals in solutions of alcohol instead of just plain water could actually increase corrosion.

There are also hydrocarbons in the mixture of rubbing alcohol. Hydrocarbons are basically bonds of hydrogen and carbon.
Hydrocarbons can also assist in the progression as well. Just as salt water helps speed the process, a product that has added strength such as the Isopropyl alcohol should aid with the corrosion?s speed in the different types of metals.

Re: Experience of isopropyl - good read (long)
 

This is good one to show the speed of burn with varies concentrations:

https://www.youtube.com/watch?v=pxC8p439isU

Re: Experience of isopropyl - good read (long)
 

Funny but good video....

It would be nice to see Methanol / Ethanol / Isopropyl head to head

Re: Experience of isopropyl - good read (long)
 

The demonstration is excellent how water can change your burnt rate.
But don't forget it have to applied to all the fuels going into the engine.

Re: Experience of isopropyl - good read (long)
 

That is sounds very good.








oneplus 2 schutzh?lle

Re: Experience of isopropyl - good read (long)
 

The only way I'd use Isopropyl is when nothing else is available.
Right now i'm seeing where it can add tiny amounts of octane and help with fuel atomization.

Re: Experience of isopropyl - good read (long)
 

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