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hho2u
Statistics: Posted by hho2u — Fri Mar 13, 2009 3:25 pm
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Nice - if you decide to use these in the exhaust gas stream, any rubber or plastic bits like seals or olive rings etc will burn up quickly.
I am looking at using normal house gas plumbing fittings that use copper and brass for all joints - my aim is to allow 1600 F tempertures to heat the water going through.........
I do like the idea of using the refrigeration fittings as someone has done the fiddly job of welding and pressure testing. Be careful though - some of the solders used may melt at around 500 F ( unless they are brass or silver based ) but even then you would need to be cautious.
Just a thought....
Statistics: Posted by williamssteve — Wed Oct 08, 2008 6:10 pm
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but hot water could be plumbed through for heating.
Cheers !
Statistics: Posted by Hybrid — Mon Oct 06, 2008 7:19 am
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besides, dont all A/C compressors have a WOT cutoff? that way you can still floor it to pass someone when the A/C is on full blast.
Statistics: Posted by resident_genius — Fri Sep 26, 2008 3:50 pm
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resident_genius 5yrs ago (off subject here tho) I help build an air con
chilled water to air intercoller system for a drag rx3 rotary.
4 engine oil coolers, with refridgerant runing through them, submerged
in a water resevoir, to super chill the water, before going through the
water to air intercooler. Me being a sheet metal tradesman, I got called
into this experiment. Well all done & off to the drags for the 1st blast.
Something is wrong he says. Why I asked. The temp is still high. Hmm.
We go to pull the hoses off &
it's f/n frozen solid LOL. So weborrowed glycol from another race team to see if we can fix this bitch.
Believe it or not, we had to run 90% glycol & 10% water to stop it from
freezing solid. It ran MINUS 6 degrees air at the inlet manifold with this.
But for street you wouldn't want less than 20 deg C to be consistant.
I can make a WOT cutout for the A/C for street use. It would last a mile
before reaching over atmos temp. I say impossable is a bit hard to do &
miracels take just a bit more time ;]
Cheers !
Statistics: Posted by Hybrid — Fri Sep 26, 2008 3:35 pm
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the same principal applies to water injection. water injection boosts engine power as well as fuel mileage. MPG gains aside, the reason that it is a power adder is because when atomized/vaporized, it lowers intake air temps substantially- resulting in more power.
somewhere in the 2000's, ford's lightning pickup truck- a supercharged pavement pounding street machine, came with an option for an air conditioner powered "super cooler". along with a standard radiator-looking, air-to-air intercooler, there was another type of intercooler, best described as a chamber that was first cooled by the vehicles a/c system diverted into said chamber, then through diverter flaps and whatnot, a "ready light" came on, and driver could hit the throttle resulting in a 35 HP boost (if 35 was the right number, its been a while but i seem to remember thats being the number). obviously after every full throttle run, the whole apparatus us heat soaked and needs a minute to cool back down. i beleive the max HP rating for the non-supercooled model was about 35HP less than the supercooled and supercharged model.
fascinating, isnt it? just lowering intake temps did all that.
i had an idea, drew up my entire design, and was shot down by the racing community because parasitic draw of a/c compressor wouldve been more gained by the temp differential. when i found out about that lightning, boy was i pissed!
Statistics: Posted by resident_genius — Fri Sep 26, 2008 2:21 pm
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