Today's Message Index:
----------------------
1. 01:19 AM - Cylinder head temperature (Richard Goode)
2. 05:28 AM - Re: Cylinder head temperature (Roger Doc Kemp)
3. 06:17 AM - (Richard Goode)
4. 02:11 PM - Warbird Down (cpayne@joimail.com)
5. 02:22 PM - Re: (Bitterlich GS11 Mark G)
6. 04:07 PM - Re: Warbird Down (Ernest Martinez)
Message 1
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| Subject: | Cylinder head temperature |
--> Yak-List message posted by: "Richard Goode" <richard.goode@russianaeros.com>
Cylinder Head Temperatures
To correct what seems to be quite widely held misunderstandings:
Maximum continuous is 220 degrees centigrade.
RED LINE is 240 degrees centigrade. Prolonged operation at 230/240 degrees will
significantly affect engine life with warped cylinder bores etc.=20
If engines are running hot, then magneto timing etc should be checked.
IMPORTANTLY, cooling on the M14P is also achieved through fuel. A hot running
engine should have a smaller compensating jet fitted - so few owners seem to understand
this, and either complain about engines being too hot, or too cold,
in which case they are using unnecessary fuel!
Also note that the Russian temperature gauges are only accurate to 10 degrees centigrade,
if that. Some can be out by 20 degrees centigrade, and in addition
the gauge is not necessarily showing the hottest cylinder!
Richard Goode
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
dangerous content by the http://www.invictawiz.com
MailScanner, and is believed to be clean.
Message 2
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| Subject: | Cylinder head temperature |
--> Yak-List message posted by: "Roger Doc Kemp" <viperdoc@mindspring.com>
Richard,
Thank you for the information.
Doc
> [Original Message]
> From: Richard Goode <richard.goode@russianaeros.com>
> To: YAK USA LIST <yak-list@matronics.com>
> Date: 5/10/2005 3:19:11 AM
> Subject: Yak-List: Cylinder head temperature
>
> --> Yak-List message posted by: "Richard Goode"
<richard.goode@russianaeros.com>
>
> Cylinder Head Temperatures
>
>
> To correct what seems to be quite widely held misunderstandings:
>
>
> Maximum continuous is 220 degrees centigrade.
>
>
> RED LINE is 240 degrees centigrade. Prolonged operation at 230/240
degrees will significantly affect engine life with warped cylinder bores
etc.
>
>
> If engines are running hot, then magneto timing etc should be checked.
>
>
> IMPORTANTLY, cooling on the M14P is also achieved through fuel. A hot
running engine should have a smaller compensating jet fitted - so few
owners seem to understand this, and either complain about engines being too
hot, or too cold, in which case they are using unnecessary fuel!
>
>
> Also note that the Russian temperature gauges are only accurate to 10
degrees centigrade, if that. Some can be out by 20 degrees centigrade, and
in addition the gauge is not necessarily showing the hottest cylinder!
>
>
> Richard Goode
>
> Richard Goode Aerobatics
> Rhodds Farm
> Lyonshall
> Hereford
> HR5 3LW
> United Kingdom
>
> Tel: +44 (0) 1544 340120
> Fax: +44 (0) 1544 340129
> www.russianaeros.com
>
>
> dangerous content by the http://www.invictawiz.com
> MailScanner, and is believed to be clean.
>
>
Message 3
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--> Yak-List message posted by: "Richard Goode" <richard.goode@russianaeros.com>
In reply to Mark Bitterlich:
I assume you have a manual? If you don=92t, any work on the carburettor is a nightmare.
The Russians call the compensating jet a =91suction jet.=92
It is under a cover just above the fuel inlet pipe.
You unscrew the cover, and you have jets, which range from 1.1mm to 2.1mm. A bigger
jet results in a weaker mixture. Rob Kent (contact: rkent@wlacrussianeng.co.uk)
has jet kits.
In my opinion the majority of engines running hot or cold are down to the wrong
jet, provided ignition is correct.
I hope this helps.
Richard Goode
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Mob: +44 (0) 7768 610389
Fax: +44 (0) 1544 340129
www.russianaeros.com
dangerous content by the http://www.invictawiz.com
MailScanner, and is believed to be clean.
Message 4
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--> Yak-List message posted by: "cpayne@joimail.com" <cpayne@joimail.com>
A T-6 from Warbird Adventures out of Kissimmee went down
with two fatals. Rumor over at Kissimmee says wing
separation. The T-6 underwent extensive repair last year
after damage from the hurricanes.
Craig Payne
Message 5
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--> Yak-List message posted by: Bitterlich GS11 Mark G <BitterlichMG@cherrypoint.usmc.mil>
It helps a lot. Thanks Richard.
Mark
-----Original Message-----
From: Richard Goode [mailto:richard.goode@russianaeros.com]
Subject:
--> Yak-List message posted by: "Richard Goode"
<richard.goode@russianaeros.com>
In reply to Mark Bitterlich:
I assume you have a manual? If you don't, any work on the carburettor is a
nightmare.
The Russians call the compensating jet a "suction jet."
It is under a cover just above the fuel inlet pipe.
You unscrew the cover, and you have jets, which range from 1.1mm to 2.1mm.
A bigger jet results in a weaker mixture. Rob Kent (contact:
rkent@wlacrussianeng.co.uk) has jet kits.
In my opinion the majority of engines running hot or cold are down to the
wrong jet, provided ignition is correct.
I hope this helps.
Richard Goode
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Mob: +44 (0) 7768 610389
Fax: +44 (0) 1544 340129
www.russianaeros.com
dangerous content by the http://www.invictawiz.com
MailScanner, and is believed to be clean.
Message 6
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| Subject: | Re: Warbird Down |
--> Yak-List message posted by: Ernest Martinez <erniel29@gmail.com>
Yep, we may see a lot more of this since the T-34's are grounded, they
will start using T-6's for ACM for hire. This will result in a lot
more folding wings. Lets hope that no one gets the idea of using CJ's
and Yaks for Air Combat adventures.
On a similar note a DC-3 under restoration at TICO had its gear
collapse while an older volunteer and a 15 year old were underneath
it, killing the man , and seriously injuring the kid.
Ernie
On 5/10/05, cpayne@joimail.com <cpayne@joimail.com> wrote:
> --> Yak-List message posted by: "cpayne@joimail.com" <cpayne@joimail.com>
>
> A T-6 from Warbird Adventures out of Kissimmee went down
> with two fatals. Rumor over at Kissimmee says wing
> separation. The T-6 underwent extensive repair last year
> after damage from the hurricanes.
>
> Craig Payne
>
>
>
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