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tc1917(at)bellsouth.net
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 Posted: Sat Feb 27, 2010 2:58 am Post subject: Kolb-List Digest: 34 Msgs - 02/26/10 |
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I think you all know the problems I have had with this rum rum 912 I have.
I went to Aircraft Spruce's Open house last year and got a good deal on this
insulation (top one). I used 3/8 and 5/8 both on just about everything
inside, top and everywhere. Even put some directly under the engine. I
purchased a sound meter and started taking readings. I eliminated
approximately 15 to 20 db at my seat on the ground and in the air. I still
had that damned rum rum but it was not as noticeable and well within my
toleration level. Now, if the new muffler system from Aircraft Exhaust
works the way the man says it will (not much I can do about it if he lied),
I should knock off the harsh high pitches of the engine and bring it down a
notch to very nice and maybe, just maybe, the rum rum will not be very
pronounced. Gotta hope. Anyway, I am very happy with the insulation I
bought and think it did a splendid job. It was hard to cut but it stuck on
really nice with the spray glue type of adhesive I used. I would not pay
those other prices until I KNEW what it was and how it would work. 1/8 inch
of foam glued to the inside of your fuse will stop the drumming and 1/4 inch
of a rubber type of foam under the center gape will do the same thing.
Unless you just like to spend money, come on over Hawk and let me show you
the stuff I used. I have some samples left. Nice stuff. Ted Cowan,
Alabama 912UL zoom zoom.
http://www.aircraftspruce.com/menus/ap/insulation.html
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tc1917(at)bellsouth.net
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| Posted: Sat Feb 27, 2010 3:13 am Post subject: Kolb-List Digest: 34 Msgs - 02/26/10 |
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My little sling shot 912 burns just a tad over 3 gals per hour at 4800/4900
rpm (at) 85 mph. I am heavy for a slingshot, 500 lbs dry. My 582 would burn
from 5.5 to 6.5 gph at 75 mph loaded for Florida. I carry a tank with a
possible 9 gal reserve with electric transfer in my back seat plus luggage.
That is why I love my little bird with its 912. I am going to get rich just
flying it. Gotta wait until Tuesday to get my exhaust back. Will let
everyone know how it tunes out. Ted Cowan, Slingshot 912UL, zoom zoom.
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