REFLECTOR: Water injection

Thu Apr 3 22:59:36 CDT 2014

Hi Geoff,

You can achieve better cooling by climbing using lean of peak mixture setting if you have an engine analyzer especially with a turbo charged engine. If you are still a little too warm you can pull back the prop a little. The less explosions per minute, the cooler the engine will run. 

Richard

Sent from my iPhone 5 Classic

> On Apr 3, 2014, at 10:41 PM, Geoff Gerhardt <geoff.gerhardt at gmail.com> wrote:
> 
> Guys,
> 
> I've been considering using water injection to keep cylinder temps down on climb.  Seems like a better idea than running full rich all the way up.  It looks pretty straightforward, but I'm wondering if there's a reason why others don't use it more.  For those who are not familiar with water injection, essentially, you spray water (or a water/methanol mix) into the intake (typically before the fuel servo).  The large heat of vaporization of water pulls a lot of heat out.  Plus, you get a bit of a performance boost both by lowering the inlet charge temperature as well as the steam expansion during the power stroke.  Another nice benefit is that your pistons get a nice steam cleaning with every stroke.
> 
> 
> I figure a 5gal tank would do more than enough for a few trips if only used on climb.  I have had some high temps when cruising at high altitudes as well, which it might help with.
> 
> I'd welcome any 
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