Today's Message Index:
----------------------
1. 06:53 PM - Engine RPM and propeller speed (N642K)
2. 07:41 PM - Re: Engine RPM and propeller speed (Randy)
3. 08:25 PM - Re: Engine RPM and propeller speed (Walter Lannon)
4. 08:25 PM - Re: Engine RPM and propeller speed (N642K)
5. 08:44 PM - Re: Engine RPM and propeller speed (Roger Kemp M.D.)
Message 1
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| Subject: | Engine RPM and propeller speed |
I have a digital tach on my M-14B powered CJ. So am I reading engine crank RPM
or prop rpm? Are the RPM limits are corrected for the difference between crank
and prop speed?
Thanks in advance.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=380240#380240
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| Subject: | Engine RPM and propeller speed |
What is the tach and what are reading off of?
Bear
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of N642K
Sent: Monday, August 06, 2012 9:51 PM
Subject: Yak-List: Engine RPM and propeller speed
I have a digital tach on my M-14B powered CJ. So am I reading engine crank
RPM or prop rpm? Are the RPM limits are corrected for the difference
between crank and prop speed?
Thanks in advance.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=380240#380240
Message 3
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| Subject: | Re: Engine RPM and propeller speed |
You are reading crankshaft RPM.
Walt
-----Original Message-----
From: N642K
Sent: Monday, August 06, 2012 6:51 PM
Subject: Yak-List: Engine RPM and propeller speed
I have a digital tach on my M-14B powered CJ. So am I reading engine crank
RPM or prop rpm? Are the RPM limits are corrected for the difference
between crank and prop speed?
Thanks in advance.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=380240#380240
Message 4
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| Subject: | Re: Engine RPM and propeller speed |
This is a Horizon Tachometer. This from their website:
The P-1000 functions as two fully independent digital tachometers that monitor
the signals received from the primary circuits of the aircrafts magnetos. The
internal right and left tachometers independently determine engine RPM, which
is then average and displayed for the pilot. The superior reliability of the tachometer
design is due to the use of two separate magneto signals to generate
two identical RPM readings.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=380252#380252
Message 5
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| Subject: | Re: Engine RPM and propeller speed |
Suspect you are reading the pulses off your P lead but don't know the type of tach
and how it is wired Bear. So you should be reading the crank revolutions.
Doc
Sent from my iPad
On Aug 6, 2012, at 9:38 PM, "Randy" <Dabear@devere.us> wrote:
>
> What is the tach and what are reading off of?
>
> Bear
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com] On Behalf Of N642K
> Sent: Monday, August 06, 2012 9:51 PM
> To: yak-list@matronics.com
> Subject: Yak-List: Engine RPM and propeller speed
>
>
> I have a digital tach on my M-14B powered CJ. So am I reading engine crank
> RPM or prop rpm? Are the RPM limits are corrected for the difference
> between crank and prop speed?
>
> Thanks in advance.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=380240#380240
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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