Today's Message Index:
----------------------
1. 05:44 AM - Re: carb jets (Don Walker)
2. 06:42 AM - re-drive bearings (N53dw@aol.com)
3. 08:25 AM - Re: re-drive bearings (The Meiste's)
Message 1
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Seal-Send-Time: Sun, 28 Nov 2004 07:43:00 -0600
--> Stratus-List message posted by: "Don Walker" <d3dw@msn.com>
thanks Larry. I'll increase my main jet size, get a Bing manual, and now I am
reminded that the needle has to go up to increase flow in the midrange if needed.
I'll do the main jets first. don
do not archive
----- Original Message -----
From: Larry McFarland<mailto:larrymc@qconline.com>
To: stratus-list@matronics.com<mailto:stratus-list@matronics.com>
Sent: Saturday, November 27, 2004 8:17 PM
Subject: Re: Stratus-List: carb jets
--> Stratus-List message posted by: "Larry McFarland" <larrymc@qconline.com<mailto:larrymc@qconline.com>>
Don,
What you describe is detailed to some exactitude on page 18 of the Bing
Carburettors Aircraft tuning and
parts manual. Picking up power with the enriching circuit (choke) suggests
you're running lean if the EGTs
are reduced. If you lower the needle, you will lean the engine further and
risk damage to the engine. They recommend doing only one thing at a time.
I'd consider just another size jet first. I'm using 170s and my
needle is on 3, one notch from the richest setting. Not being satisfied
with trying to estimate by EGTs, I'm going to purchase a Colortune plug from
Bing Monday. Then it might be possible to see better what these changes do.
Yes, a main jet change will affect the midrange. It sound like you need the
manual from Bing.
Their phone number is 1-800-2464 weekdays 8:30-5:00 CST.
Larry McFarland
Subject: Stratus-List: carb jets
> --> Stratus-List message posted by: "Don Walker" <d3dw@msn.com<mailto:d3dw@msn.com>>
>
> For the heck of it, after reading the posts on carb jets, I flew to
> experiment with the enrichener. In the midrange, pulling the enrichener
> (choke) increased the rpm by about 150. Then in the main jet range adding
> the enrichener made no difference.
> On a cooler day I did the same and found that the midrange increased even
> more and the main jet range rpm increased by about 50 when enrichened. Is
> it likely that lowering the needle in the midrange will affect them both.
> Should I increase main jet size and lower the needle? Will a main jet
> change affect the midrange? Don Walker HDS TD
>
Message 2
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| Subject: | re-drive bearings |
--> Stratus-List message posted by: N53dw@aol.com
Someone mentioned last week the task of changing bearings in the Stratus
reduction drive. How bad a job IS that, anyway? Do I need gear pullers and an
arbor press, or is it not that complex?
Danny W.
Kitfox 5
Message 3
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| Subject: | Re: re-drive bearings |
--> Stratus-List message posted by: "The Meiste's" <meiste@essex1.com>
> Someone mentioned last week the task of changing bearings in the Stratus
> reduction drive. How bad a job IS that, anyway? Do I need gear pullers and
> an
> arbor press, or is it not that complex?
>
> Danny W.
> Kitfox 5
++++++++++++++++++++++++++++++++++++++++++++++++
Danny,
Go back & search the achieves as I believe this was discussed here about a
year ago.
Kelly
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