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Monowheel speed kit
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terrys(at)cisco.com
Guest

Posted: Mon Sep 24, 2007 8:22 am Post subject: Monowheel speed kit

I neglected to mention that when we closed off our gills we also opened

up the lower cowl exit area and baffled the area between the foot wells

to force air from the eye ball inlets down past the cylinders, then the

muffler, and finally out the bottom of the cowl. This dropped in-cowl

temps from 450 deg F to about 250 max and lowered oil temps in climb by

20 deg F.



Regards,

Terry

 



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josok-e(at)ukolo.fi
Guest

Posted: Mon Sep 24, 2007 9:34 am Post subject: Monowheel speed kit

Hi Terry,



[quote:ffc914ab8d="terrys at cisco.com"]

I neglected to mention that when we closed off our gills we also opened

up the lower cowl exit area and baffled the area between the foot wells



-----[/quote:ffc914ab8d]

Interesting,

How did you do that opening up, is it possible for you to attach a picture (or 2)



Regards,



Jos Okhuijsen

Visit -  www.EuropaOwners.org

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terrys(at)cisco.com
Guest

Posted: Mon Sep 24, 2007 9:59 am Post subject: Monowheel speed kit

Hi Jos,



   I don't have any pictures, but I will try to describe the mod to you.

The top of the radiator duct is a sheet of aluminum (lets call it the

'separator') that splits the cowl into two areas, the lower area is for

the radiators, the top area contains everything else (engine, muffler,

etc.).  The lower area has the big square inlet opening, the top area

has two eyeball inlets.  In the stock condition, the lower aft exit is

used for both (ignoring the gills), strongly favoring the lower radiator

area, with just small openings in the sides for air to exit from the top

area.

   Lying under the rear of the cowl, I used a 'nibbler' to remove

material from the rear of the 'separator', allowing more air from the

top area into the common exit.  I probably removed about three inches

off the rear of the 'separator'.  The intent was to provide an exit area

for the top portion of the cowl that was about 150% of the eyeball inlet

area.



I hope this helps, 

Regards,

Terry



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jeff(at)rmmm.net
Guest

Posted: Tue Sep 25, 2007 4:19 am Post subject: Monowheel speed kit

 	  Quote: 	
		      Lying under the rear of the cowl, I used a 'nibbler' to remove

 material from the rear of the 'separator', allowing more air from the

 top area into the common exit.  I probably removed about three inches

 off the rear of the 'separator'.


	


Hi Terry,

I am in the middle of fighting this same cooling issue but I have a 

tri-gear.  I'm sure I need more air coming out the bottom as so, but 

help me understand what a nibbler is.

Regards,

Jeff R.

A258 - N128LJ / Gold Rush 84 hours and climbing slowly.

[quote] Terry



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topglock(at)cox.net
Guest

Posted: Tue Sep 25, 2007 6:17 am Post subject: Monowheel speed kit

Jeff,

A nibbler is a hand held tool, usually air powered, which contains a 

small punch and anvil.  When used, it "nibbles" away at the aluminum, 

creating small crescent-shaped bits as it eats through the material.  

It's used to cut out areas that would be difficult to get to with 

shears, or other tools...

Jeff - Baby Blue

329 hrs

JEFF ROBERTS wrote:

[quote] 

>    Lying under the rear of the cowl, I used a 'nibbler' to remove

> material from the rear of the 'separator', allowing more air from the

> top area into the common exit.  I probably removed about three inches

> off the rear of the 'separator'.

 Hi Terry,

 I am in the middle of fighting this same cooling issue but I have a 

 tri-gear.  I'm sure I need more air coming out the bottom as so, but 

 help me understand what a nibbler is.

 Regards,

 Jeff R.

 A258 - N128LJ / Gold Rush 84 hours and climbing slowly.

> Terry

>

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terrys(at)cisco.com
Guest

Posted: Tue Sep 25, 2007 8:17 am Post subject: Monowheel speed kit

The nibbler is a small metal cutting tool available at Radio Shack, for

example (Google 'Radio Shack nibbler').  It is a convenient way to

remove small bits of metal from the cooling duct without removing it.



Regards,

Terry

 



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