REFLECTOR: Reflector Digest, Vol 31, Issue 12-Advanced Composite Technologies

Fri Dec 8 19:08:47 CST 2006

Larry:
Contact me off the reflector Re ACT at anriley at comcast.net

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of reflector-request at tvbf.org
Sent: Wednesday, December 06, 2006 9:06 AM
To: reflector at tvbf.org
Subject: Reflector Digest, Vol 31, Issue 12

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Today's Topics:

   1. Re:  ACT (Tom Martino)
   2.  Idle Adjustment for Fuel Injected Lycomings (Ron Brown)
   3. Re:  Idle Adjustment for Fuel Injected Lycomings (Jorge Bujanda)

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Message: 1
Date: Wed, 6 Dec 2006 00:24:57 -0700
From: "Tom Martino" <tmartino at troubleshooter.com>
Subject: Re: REFLECTOR: ACT
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Message-ID:

<056D9017A3CF854AAF93DBD2CA17C2EE107DF3 at EVEREST.TroubleShooter.local>
Content-Type: text/plain; charset="us-ascii"

I don't know what part of the country you are in ... but there is a
fantastic composites company at Front Range Airport, near Denver is
Colorado.  The name is "Jetstream Composites".  They helped me with my
Velocity and do great work.

Tom
N173EX

-----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Lawrence Epstein,MD
Sent: Tuesday, December 05, 2006 12:12 PM
To: 'Velocity Aircraft Owners and Builders list'
Subject: Re: REFLECTOR: ACT

I am still looking for info/references on Advanced Composite
Technologies in PA.
Are any of these (or any other) former (or current) customers of ACT on
the reflector?
            Fred Rice
          Pete Beaty
          Jim Robertson

If so, please feel free to contact me directly.

Larry Epstein

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Message: 2
Date: Wed, 6 Dec 2006 08:37:37 -0500
From: "Ron Brown" <romott at roadrunner.com>
Subject: REFLECTOR: Idle Adjustment for Fuel Injected Lycomings
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Message-ID: <006401c7193b$b19b7a70$e618b64c at romott>
Content-Type: text/plain; charset="iso-8859-1"

I have retyped the text from Mack's and Andy's document (it was a bit hard
to read!)

IDLE SPEED AND MIXTURE ADJUSTMENT

5-2. Check magnetos in accordance with instructions furnished in the
aircraft operational manual. If the "mag-drop" is normal, proceed with idle
adjustment.

5-3. Close the throttle to idle (approximately 650 rpm). If the rpm changes
appreciable after making the idle mixture adjustment during the succeeding
steps, readjust the idle speed to the desired RPM.

5-4. When the idle speed has been stabilized, move the cockpit mixture
control lever with a smooth, steady pull, into the IDLE CUT-OFF position an
observe the tachometer for  any change during the leaning out process.
Caution bust be exercised to return the mixture control to the FULL-RICH
position before the rpm can drop to a point where the engine cuts out. An
increase in rpm while leaning out indicates the idle mixture is on the rich
side of best power. An immediate decrease in rpm (if not preceded by a
momentary increase) indicates that the idle mixture is on the lean side of
best power.

5-5. The desired idle setting is rich enough to provide a satisfactory
acceleration under all conditions and lean enough to prevent spark plug
fouling or rough operation. A rise of 25-50 rpm will usually satisfy both of
these conditions.

5-6. If step 5-3 indicates that the idle adjustment is too rich or too lean,
turn the idle mixture adjustment one or two notches in the direction
required for correction and check this new position by repeating step  5-3.
Make additional adjustments as necessary.

5-7. Each time an adjustment is changed, clear the engine by running it up
to approximately 2000 rpm before making mixture check.

5-8. The actual idle mixture adjustment is made by the lengthening
(richening) or shortening (leaning) of the linkage between the throttle
lever and idle valve lever. The center screw assembly has right hand threads
on both ends but one end has a No. 10-24 thread and the other end has a No.
10-32 thread. For easy reference, consider only the coarse threaded end.
When it is turned out of hits block, the linkage becomes longer and a richer
mixture is provided. When it is turned into its block, the linkage is
shortened and a leaner mixture is provided.

5-9. A major adjustment is available for use when the center screw bottoms
out on either of the blocks. If the idle adjustment is almost satisfactory,
measure the distance between the two blocks. Disconnect the spring from the
most accessible linkage pin and remove the pin. Turn the block and
adjustment screw until the adjusting wheel is centered and the distance
between the blocks is as previously measured. There is now additional
adjustment range and the reference point is retained.

5-10. Make the final idle speed adjustment to obtain the desired idling rpm
with closed throttle.

5-11. If the setting does not remain stable, check the idle linkage; any
looseness in this linkage will cause erratic idling. In all cases, allowance
should be made for the effect of weather conditions upon idling adjustment.
The relationship of the aircraft to the direction of the prevailing wind
will have an effect on the propeller load and its rpm; hence it is advisable
to make the idle setting with the aircraft cross-wind.

5-12. Idle speed and mixture adjustments made according to this method
should require little further attention except for extreme variations in
temperature and altitude.
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Message: 3
Date: Wed, 6 Dec 2006 06:05:42 -0800
From: "Jorge Bujanda" <bujanda at dslextreme.com>
Subject: Re: REFLECTOR: Idle Adjustment for Fuel Injected Lycomings
To: "'Velocity Aircraft Owners and Builders list'"
	<reflector at tvbf.org>
Message-ID: <200612061405.kB6E5mX4024612 at dax.awpi.com>
Content-Type: text/plain; charset="us-ascii"

Thanks Ron Mack and Andy.  Your sharing is appreciated!

Jorge

  _____  

From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Ron Brown
Sent: Wednesday, December 06, 2006 5:38 AM
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Idle Adjustment for Fuel Injected Lycomings

I have retyped the text from Mack's and Andy's document (it was a bit hard
to read!)

IDLE SPEED AND MIXTURE ADJUSTMENT