Today's Message Index:
----------------------
1. 02:07 AM - M14P TBO (Richard Goode)
2. 02:13 AM - Merlins (Richard Goode)
3. 03:14 AM - Re: Fuel Flow metric (Hans Oortman)
4. 05:07 AM - Re: CJ Mag #?? (A. Dennis Savarese)
5. 05:16 AM - Re: Fuel Flow (A. Dennis Savarese)
6. 05:31 AM - Re: M14P TBO (A. Dennis Savarese)
7. 09:16 AM - Re: Throttle setting at higher cruising altitudes (Mozam)
8. 09:31 AM - Fuel Flow (Walt Murphy)
9. 09:58 AM - Re: Fuel Flow (Doug Sapp)
10. 09:51 PM - Re: Re: Throttle setting at higher cruising altitudes (Roger Kemp)
Message 1
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Over 20,000 hours working oil-field generators is totally true.I have seen
the factory records and discussed it with Anatoli Bakanov,the designer of t
he M14P!
Richard
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
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Message 2
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I suspect not the Merlin[only a proportion of which had 2-stage blowers],bu
t more likely the Meteor which was the naturally-aspirated version used in
tanks and boats.
Richard
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
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| Subject: | Fuel Flow metric |
Ronald,
I thought metric IS standard.....
Hans
-----Oorspronkelijk bericht-----
Van: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] Namens ronald wasson
Verzonden: vrijdag 30 november 2007 23:36
Aan: yak-list@matronics.com
Onderwerp: Re: Yak-List: Fuel Flow
How hard is it to get the fitting to mount standard threads to metric
Message 4
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Yes.
Dennis
----- Original Message -----
From: KingCJ6@aol.com
To: yak-list@matronics.com
Sent: Friday, November 30, 2007 10:46 PM
Subject: Yak-List: CJ Mag #??
We have a dead #2 mag and no manual handy. To make sure we work on
the correct mag, # 2 is on the right side as viewed from the cockpit,
correct?
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Here is a the fitting I am ordering for the installation of the JPI
450/Floscan transducer. It is a -6 AN fitting; 1/4NPT to 3/8" hose
barb.
Available at
http://www.jegs.com/webapp/wcs/stores/servlet/KeywordSearchCmd?storeId=
10001&catalogId=10002&langId=-1&N=0&Ntt=663010&Ntk=all&Nty=1&
D=663010&Ntx=mode%2Bmatchallany&Dx=mode%2Bmatchallany&searchTerm=
663010
Dennis
----- Original Message -----
From: netmaster15@juno.com
To: yak-list@matronics.com
Sent: Friday, November 30, 2007 10:46 PM
Subject: Re: Yak-List: Fuel Flow
, Roger, I've got a JPI I'm about to put into a YAK 50 and would
appreciate having pictures of your installation. Right off I have a
question re the type of hose fittings you have used . Did you go with
U.S. sized fittings and what brand of fuel hose is installed in the CJ?
Is it Chinese metric or US? Please feel free to include any suggestions
you think helpful. Thanks in advance.
Cliff Umscheid
-- Roger Bieberdorf <rogerbyak@yahoo.com> wrote:
Walt;
About three years ago when there was the price war between JPI and
ECI; I bough a JPI for my Cessna and was quite satisfiied. Because the
CJ-6 is "fuel capacity challenged" I bought one (at a higher price a few
months later) and installed it in N-96YK. Since then, both have operated
flawlessly.......register fuel between fillups close to + or - 1 gallon
on 35 to 70 gallon fillups. (Aircraft dependent).
The Cessna installation (C-182) allowed for more close compliance with
the horizontal/straight line intallation as suggested by JPI; the
Nanchange installation was not in compliance with the JPI requirements,
but seems to not matter.
I am on a job away from the Nanchang for 3 weeks; but can send pics of
the Nanchang installation if you are interested. Can't remember the
specifics at this time of the installation; but DO know that I trust the
fuel flow indicatior MUCH more than I trust the fuel gauges.
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Message 6
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Thanks Richard for confirming the story. So now when anyone asks me
what the TBO is for an M14, we can legitimately say, "well it could last
over 20,000 hours according to the design engineer of the M14 and
verified by Richard Goode, a VERY credible individual in the Yak
community." :-)
Dennis
----- Original Message -----
From: Richard Goode
To: YAK USA LIST
Sent: Saturday, December 01, 2007 4:06 AM
Subject: Yak-List: M14P TBO
Over 20,000 hours working oil-field generators is totally true.I have
seen the factory records and discussed it with Anatoli Bakanov,the
designer of the M14P!
Richard
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
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Message 7
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| Subject: | Re: Throttle setting at higher cruising altitudes |
viperdoc(at)mindspring.co wrote:
> Mozam,
> Appears that "over square" is not the way to make gas at any altitude from
> your data. It appears that pulling the "advance" back to even or slightly
> under square.
> Doc
>
> --
Doc,
I read this data a little differently (at least at high altitude).
Note the absolute best fuel economy I saw (12.1 mpg) was at 10,000' with the prop
pulled back to 60% and the throttle at the front stop.
And at 10,000' the best fuel economy/speed combination at 64% is with the throttle
at the front stop.
Finally at 10,000', if you want to go fast, set the prop at 70% and throttle fire-walled
to get 162 true mph at 10.6 mpg.
Also noteworthy, IMHO, is that at 5,000' the best fuel economy cruise settings
are just about exactly where the aircraft manual lists "cruise 1 and cruise 2"
conditions (1860 rpm/64% and 28"/711 mm, and at 1730 rpm/60% and 27"/686 mm).
Perhaps we need to give the manufacturer some credit here?
I wish I had completed the data for sea level, but I got tired of dodging ducks
and gulls!!. I'll post it when I get it.
Note: there is a typo on the spreadsheet. The 10,000', 2400 rpm, 24" MAP fuel
flow should be 16.6 and the MPG should be 9.64.
-Steve
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=149870#149870
Message 8
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Dennis made a statement that the JPI 450 fuel flow that's on sale comes
with a low flow rate transducer and that is incorrect.
I spoke with them prior to ordering mine and they told me it would be
fine in the CJ . After reading Dennis post I decided to open the package
and take a look at just what I got.
I received the AS 407B transducer which has a labeled flow rate of 0.6
to 60 GPH .....I think that should do the trick. :-)
So.....if your thinking about a fuel flow this is as good as it gets .
Walt
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The Floscan -231 transducer has one of the lowest in line pressures of
any of the other dash numbers. This is the amount of pressure required
to turn the rotor. This is important in case of a elect failure to
assure ample fuel to the engine. I am very sure most any dash number
would work but the -231 IMHO is the best suited for the CJ, 285 or 360 hp.
Always Yakin,
Doug
Walt Murphy wrote:
>
> Dennis made a statement that the JPI 450 fuel flow that's on sale
> comes with a low flow rate transducer and that is incorrect.
>
> I spoke with them prior to ordering mine and they told me it would be
> fine in the CJ . After reading Dennis post I decided to open the
> package and take a look at just what I got.
> I received the AS 407B transducer which has a labeled flow rate of 0.6
> to 60 GPH .....I think that should do the trick. :-)
> So.....if your thinking about a fuel flow this is as good as it gets .
>
> Walt
>
>
Message 10
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| Subject: | Re: Throttle setting at higher cruising altitudes |
Mozam,
I obviously read the data wrong. If I downloaded your spread sheet. Will
have to wait until I get a fuel flow monitor to see how is compares to the
50.
Thanks for setting me straight,
Doc
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Mozam
Sent: Saturday, December 01, 2007 11:15 AM
Subject: Yak-List: Re: Throttle setting at higher cruising altitudes
viperdoc(at)mindspring.co wrote:
> Mozam,
> Appears that "over square" is not the way to make gas at any altitude from
> your data. It appears that pulling the "advance" back to even or slightly
> under square.
> Doc
>
> --
Doc,
I read this data a little differently (at least at high altitude).
Note the absolute best fuel economy I saw (12.1 mpg) was at 10,000' with the
prop pulled back to 60% and the throttle at the front stop.
And at 10,000' the best fuel economy/speed combination at 64% is with the
throttle at the front stop.
Finally at 10,000', if you want to go fast, set the prop at 70% and throttle
fire-walled to get 162 true mph at 10.6 mpg.
Also noteworthy, IMHO, is that at 5,000' the best fuel economy cruise
settings are just about exactly where the aircraft manual lists "cruise 1
and cruise 2" conditions (1860 rpm/64% and 28"/711 mm, and at 1730 rpm/60%
and 27"/686 mm). Perhaps we need to give the manufacturer some credit here?
I wish I had completed the data for sea level, but I got tired of dodging
ducks and gulls!!. I'll post it when I get it.
Note: there is a typo on the spreadsheet. The 10,000', 2400 rpm, 24" MAP
fuel flow should be 16.6 and the MPG should be 9.64.
-Steve
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=149870#149870
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