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, so he's willing to give up some extended climb performance to reduce cooling drag in cruise. My philosophy is that I want to be able = to use all the power, all the time, without overheating. =20 =20 So if you want better oil cooler performance, what do you use. Let's = see, what is Tracy putting on his 3 rotor RV-8 project. Last I heard, it was = an evap core :-)=20 =20 I didn't get my test fitting in time to check the pressure at the engine outlet, so that test will wait until later this week, assuming Ivan = makes that a moot point. In thinking about oil cooling options, I'd still = like to have a water to oil cooler, but I'd have to make the 3rd evap core = water also, and also add the new heat exchanger. Unfortunately, that would = add too much weight. =20 =20 As for Ivan, it seems John's anti-hurricane mojo is more powerful than = mine at the moment. I seem to be getting closer and closer to the center of prediction with every report. It's almost certain that it will hit = here, and destroy my hanger, since I now have the new Slingshot in there also. = Of course they both have liability coverage. It's still way too early to = worry about that. =20 =20 Rusty (working on my mojo) =20 =20 ------=_NextPart_000_0001_01C498BA.5CE5CE80 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

The important point is that Rusty likes to do it the = hard
way=20 :)
I think that he firmly believes that "experimental" needs to be=20 followed
to the letter. Why benefit from other's results when you can = do=20 the
experiment yourself :)

Now wait = just a minute=20 :-)

While = some of the above=20 is clearly true, I had very good reason to try the evap core, and it was = based=20 on Tracy's results. He recently mentioned that he never = goes=20 over 210 degrees for oil, but he didn't mention that his SOP is = to reduce=20 power almost immediately after takeoff. If I'm not mistaken, = he did=20 this with his B drive also, to keep from overheating. He also = climbs at=20 130 mph or so. With my evap core, I could climb forever at 90 mph = without=20 exceeding 200 degrees when I had the B drive. It's only now that = I'm=20 making more power that it becomes a limitation. Tracy's an=20 efficiency freak <G>, so he's willing to give up some extended = climb=20 performance to reduce cooling drag in cruise. My philosophy is = that I want=20 to be able to use all the power, all the time, without = overheating. =20

So if you want better oil cooler = performance, what do you use. Let's see, what is Tracy putting on=20 his 3 rotor RV-8 project. Last I heard, it was an evap core=20 :-)

I didn't get my = test fitting in time to=20 check the pressure at the engine outlet, so that test will wait = until later=20 this week, assuming Ivan makes that a moot point. = In=20 thinking about oil cooling options, I'd still like to have a water = to oil=20 cooler, but I'd have to make the 3rd evap core water also, and also = add the=20 new heat exchanger. Unfortunately, that would = add too much=20 weight.

As for Ivan, it seems John's = anti-hurricane=20 mojo is more powerful than mine at the moment. I seem to be=20 getting closer and closer to the center of prediction with = every=20 report. It's almost certain that it will hit here, and destroy my = hanger,=20 since I now have the new Slingshot in there also. Of course = they both=20 have liability coverage. It's still way too early to worry = about=20 that.

Rusty (working on my = mojo)

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