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dosmythe(at)cox.net
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 Posted: Fri May 26, 2006 2:00 pm Post subject: water temp 582 |
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http://www.sportflight.com/uploads/Imag0015.jpg
Kurt,
All the things I did didn't seem to make a significant difference. My
main concern was exceeding 180 degrees on a hot day climb. Other than that,
my temps were pretty good. The biggest change I did is shown on the above
Sportflight link. As you can see by the side brackets the radiator was
lowered about 6+ inches so it was below the cowl exhaust vent. You can also
see that I put a piece of Lexan pop riveted to the lower cowl and tied back
to the top of the rad. This provided a fairly tight air deflection from the
bottom of the round cowl directly into the face of the rad. All that heavy
temporary copper tubing you see almost made the plane nose heavy.
As I said, this change made significant difference on peaking temps
during a climb and prompted me to do the final mods I made.
Don Smythe
| Quote: | Hi Don,
If you have the time, could you sum up the results
from each of your changes? How much improvement did
you get from changing the ratios, adding waterwetter,
moving the radiator, adding the scoop, etc? You might
prevent some tail-chasing for me and others.
Also, did your scoop change your performance any?
Speed or climb?
Kurt S. S-5
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bnn(at)nethere.com
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| Posted: Fri May 26, 2006 2:13 pm Post subject: water temp 582 |
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At 10:57 AM 5/26/2006, you wrote:
| Quote: | I'll go out on a limb, Guy. I'll bet a beer that your 190 becomes 170 at
65 mph. Takers? But before you try it in the air, do a run-up as suggested
with water from a hose directed over the rad. If it's still 190, bet's off.
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OK. We'll try it.
Guy Buchanan
K-IV 1200 / 582 / 99.9% done, thanks mostly to Bob Ducar.
Do not archive
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bnn(at)nethere.com
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| Posted: Fri May 26, 2006 2:13 pm Post subject: water temp 582 |
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At 11:11 AM 5/26/2006, you wrote:
| Quote: | That bothered me too.
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..
| Quote: | just about any circumstance.
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Don,
Your layout's pictured in Sportflight, isn't it? I like it, but I
hope I don't have to go to those lengths to make it work!
Guy Buchanan
K-IV 1200 / 582 / 99.9% done, thanks mostly to Bob Ducar.
Do not archive
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bmwebb(at)cox.net
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| Posted: Fri May 26, 2006 2:28 pm Post subject: water temp 582 |
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Check out my radiator location on SportFlight. It worked very well, the
speeds increased, and the 'fox classic lines are undisturbed.
I saw no more than 190, and then only on the very hottest days and hardest
climbs.
If you do this, it helps a lot to wrap your exhaust, to keep the temps down.
Bradley
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dosmythe(at)cox.net
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| Posted: Fri May 26, 2006 2:43 pm Post subject: water temp 582 |
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My latest mod is not in Sportflight only the one I did as a temporary test.
My final fix was very labor intensive. I'll see if I can get some pics
soon.
Don Smythe
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wliles(at)bayou.com
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| Posted: Fri May 26, 2006 5:40 pm Post subject: water temp 582 |
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Avids, except for the Catalina amphibian have their radiators in the
cowl. I don't believe I've ever seen an Avid with any other location.
Jerry Liles
Avid MK IV
Dave wrote:
[quote]
Yes - I agree Marco.
Also I think i mentioned in last post that the further back the rad the
better the cooling. Some Avids have the rad back by the Wing Attach struts
and seem to run super cool.
Mine sits right below the control sticks in Kitfox IV and no heating issues
at all.
Dave
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bnn(at)nethere.com
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| Posted: Fri May 26, 2006 7:28 pm Post subject: water temp 582 |
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At 03:27 PM 5/26/2006, you wrote:
| Quote: | Check out my radiator location on SportFlight. It worked very well, the
speeds increased, and the 'fox classic lines are undisturbed.
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Bradley,
That is the wildest radiator install I've ever seen! You don't
show any pictures with the cowl, but I'm assuming it works because the
radiator is the ONLY cowl outlet? Therefore all that air coming in the big
round inlet has to go through the radiator?
Guy Buchanan
K-IV 1200 / 582 / 99.9% done, thanks mostly to Bob Ducar.
Do not archive
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bmwebb(at)cox.net
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| Posted: Sat May 27, 2006 5:27 am Post subject: water temp 582 |
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That is correct, and the most important part of it. All the air that gets in
the cowl, must leave via the radiator.
It worked very well, but could have been better, given the time. My outlet
"scoop" could have used some intelligence thrown at it, and the exhaust in
the cowl really heated the air up with no coating or wrap.
But, it did work satisfactorily, and I recommend it IF you wish to mount the
radiator out of sight.
Pics with the cowl wouldn't show anything, as it's all buried behind the
muffler.
Under the "Drawings" section on Sportflight, I posted the
"idea-on-a-napkin".
Bradley
M2 N1836
Middle Georgia
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