REFLECTOR: Water Injection

[Brian Michalk]

I think a better benefit would be as an octane booster.  Perhaps you 
would even be able to run mogas in your IO540.

It's all theoretical at this point, whether it's in a Velocity or 
racer.  How practical would it be?  Perhaps its best to play with water 
injection after you are flying the plane?

On 12/8/2011 8:13 PM, Mark Magee wrote:
> All,
> I am pondering whether it is worth considering installing a computer 
> controlled water/ water/methanol injector on my IO540 angle valve 
> purely for CHT reduction. I have used them in the past in autos with 
> good effect, and studied their uses in other applications. The numbers 
> these 
> http://www.alcoholinjectionsystems.com/Naturally-Aspirated-Kits/c25/index.html 
> folks post are in line with what water injectors can achieve from my 
> past experience. Anyone used one on a Velocity/Canard/Flying aircraft?
> >From my initial calculations less than 2 gallons of water would climb 
> a WOT 300 HP Velocity from sea level to over 12,000 MSL and then 
> wouldn't be needed for descent in all liklihood. So a 6 gallon tank 
> (in the keel?) would easily handle a long cross country. In cold 
> weather 50/50 water methanol I would think preclude induction icing, 
> but you could always just turn it off it it was cold enough and you 
> didn't need it.
> Just a thought, I am experimental :)
> They were OEM on turboed and supercharged aircraft in WWII. Thoughts?
>
> Mark Magee
> N34XL XL FG 300HP
> Brady TX
>
>
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