Today's Message Index:
----------------------
1. 01:42 AM - Re: Russian clock with electrical connectors (Richard Goode)
2. 01:59 AM - Re: Russian clock with electrical connectors (Jan Mevis)
3. 04:02 AM - Re: Russian clock with electrical connectors (Rob Rowe)
4. 05:02 AM - Re: Russian clock with electrical connectors (Rob Rowe)
5. 11:08 AM - Yak 55 Scott tailwheel? (John B)
6. 12:48 PM - Re: Re: Russian clock with electrical connectors (Patrick Ashura)
7. 01:00 PM - Re: Re: Russian clock with electrical connectors (A. Dennis Savarese)
8. 01:49 PM - Re: Re: Russian clock with electrical connectors (John Warwick)
9. 11:47 PM - Re: Re: Russian clock with electrical connectors (Jan Mevis)
Message 1
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Subject: | Russian clock with electrical connectors |
Further to that useful description of the many functions of the standard
Russian aircraft chronograph, I did note on the side of the drawing the
list
of military aircraft into which the clock was also installed. I would
hate
to be thought either a pedant or a show-off, but the Su27 fighter
actually
had a much smaller and incredibly attractive clock, which I remember
well
having done several flights in the aircraft. Indeed I actually have a
Su27
flight manual in English which must be somewhat rare, and below you will
see
an extract from the manual describing the small clock.
Separately, when we were selling new Sukhois, we offered this small
clock as
a rather expensive (I recollect $1000 additional) alternative for the
aerobatic aircraft, and indeed we are currently selling a Sukhoi 29
fitted
with the small clock which you can see in the separate photo.
At the risk of immodesty, I remember one flight from Zhukovsky with
Evgeniy
Frolov when he told me to do the takeoff with full re-heat; hold the
aircraft at low-level up to 750 KPH, and then pull a steady 2.5 G ' at
the
top of the loop we were at 9000 m ' almost 30,000 feet!
Those were the days!
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Jan Mevis
Sent: 05 October 2016 07:54
Subject: Re: Yak-List: Russian clock with electrical connectors
I am running mine, after repair, on my desk.
After 24 hours it is still indicates the correct time (to the minute, at
least).
So IMHO, it=92s more than good enough for use in a 50 or 52.
Though I can imagine that the G-forces while flying or from aerobatics
might
influence the accuracy.
Jan
From: <owner-yak-list-server@matronics.com
<mailto:owner-yak-list-server@matronics.com> > on behalf of Chris &
Diane
Burton <cdoburton@gmail.com <mailto:cdoburton@gmail.com> >
<yak-list@matronics.com <mailto:yak-list@matronics.com> >
<yak-list@matronics.com <mailto:yak-list@matronics.com> >
Subject: Re: Yak-List: Russian clock with electrical connectors
I am glad to be able to assist.
I wish I could claim credit for the picture, but I got it off the
internet
somewhere.
I have one of these clocks sitting on my desk and while I am a typical
male
who can usually stuff it up without printed help, I had to hunt down
some
instructions on how to drive the thing.
If the clock is inaccurate, you can also adjust the =91speed=92 by
twiddling a
screw on the rear.
Chris
On 5/10/2016, at 7:07 PM, Jan Mevis <jan.mevis@informavia.be
<mailto:jan.mevis@informavia.be> > wrote:
Very interesting indeed, thanks to all!
Jan
From: <owner-yak-list-server@matronics.com
<mailto:owner-yak-list-server@matronics.com> > on behalf of Justin
Drafts
<draftsjust417@gmail.com <mailto:draftsjust417@gmail.com> >
<yak-list@matronics.com <mailto:yak-list@matronics.com> >
<yak-list@matronics.com <mailto:yak-list@matronics.com> >
Subject: Re: Yak-List: Russian clock with electrical connectors
Yes thanks gents, all VERY helpful info -
Justin
On Tue, Oct 4, 2016 at 3:40 PM, Chris & Diane Burton
<cdoburton@gmail.com
<mailto:cdoburton@gmail.com> > wrote:
This might help you=85.
Cheers
Chris
<Clock.png>
On 5/10/2016, at 1:42 AM, Justin Drafts <draftsjust417@gmail.com
<mailto:draftsjust417@gmail.com> > wrote:
Gents, while we're on the topic, I've never used my CJ6's Soviet clock
all
that much. I'm wondering what the red button/knob on the left does?
Photo
attached. (I see that depressing it flips a red flag to white in the top
dial...) The silver knob on right is for on/off, but needed for winding
by
any chance? Or draws its power from the main a/c bus?
Can anyone give me a quick tutorial on the clock's functions?
Thanks-
Justin/N280NC
On Tue, Oct 4, 2016 at 8:10 AM, Richard Goode
<Richard.goode@russianaeros.com <mailto:Richard.goode@russianaeros.com>
>
wrote:
Yes, that is absolutely correct. What puzzles me is that although
beautifully made, these clocks are not that accurate, and, given that, I
wonder whether keeping them warm makes any significant difference!
Richard Goode
From: owner-yak-list-server@matronics.com
<mailto:owner-yak-list-server@matronics.com>
[mailto:owner-yak-list-server@matronics.com
<mailto:owner-yak-list-server@matronics.com> ] On Behalf Of A. Dennis
Savarese
Sent: 04 October 2016 12:38
Subject: Re: Yak-List: Russian clock with electrical connectors
If I remember correctly, the Russian clocks were connected to the pitot
heat
circuit. Thus if pitot heat was turned on, the internal clock heater
was
turned on as well.
Dennis
_____
From: Didier Blouzard <didier.blouzard@gmail.com
<mailto:didier.blouzard@gmail.com> >
<yak-list@matronics.com <mailto:yak-list@matronics.com> >
Sent: Tuesday, October 4, 2016 7:11 AM
Subject: Re: Yak-List: Russian clock with electrical connectors
Same clock is sitting on my desk in my boffice right in front of me,
indeed
two connectors
27v
2016-10-04 13:05 GMT+02:00 Jan Mevis <jan.mevis@informavia.be
<mailto:jan.mevis@informavia.be> >:
I had to remove the clock from my Yak 50 for repair.
Then I noticed that it has two connectors for +27 v on the backside (as
stated on the clock).
This is obviously not used on the Yak 50.
Does anyone know what the purpose is?
Regards,
Jan
Yak 50
--
____________________________
Didier BLOUZARD
Directeur G=E9n=E9ral DATEXIS
Portable : +33 6 51 84 48 02 <tel:%2B33%206%2051%2084%2048%2002>
Email: didier.blouzard@gmail.com <mailto:didier.blouzard@anolistech.fr>
--
This message has been scanned for viruses and
dangerous content by <http://www.mailscanner.info/> MailScanner, and is
believed to be clean.
<Soviet clock (1).jpg>
<Clock.png>
--
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dangerous content by <http://www.mailscanner.info/> MailScanner, and is
believed to be clean.
Message 2
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Subject: | Re: Russian clock with electrical connectors |
Wow, you=B9re a lucky man =8A
Jan
From: <owner-yak-list-server@matronics.com> on behalf of Richard Goode
<richard.goode@russianaeros.com>
Subject: RE: Yak-List: Russian clock with electrical connectors
Further to that useful description of the many functions of the standard
Russian aircraft chronograph, I did note on the side of the drawing the lis
t
of military aircraft into which the clock was also installed. I would hate
to be thought either a pedant or a show-off, but the Su27 fighter actually
had a much smaller and incredibly attractive clock, which I remember well
having done several flights in the aircraft. Indeed I actually have a Su27
flight manual in English which must be somewhat rare, and below you will se
e
an extract from the manual describing the small clock.
Separately, when we were selling new Sukhois, we offered this small clock a
s
a rather expensive (I recollect $1000 additional) alternative for the
aerobatic aircraft, and indeed we are currently selling a Sukhoi 29 fitted
with the small clock which you can see in the separate photo.
At the risk of immodesty, I remember one flight from Zhukovsky with Evgeniy
Frolov when he told me to do the takeoff with full re-heat; hold the
aircraft at low-level up to 750 KPH, and then pull a steady 2.5 G =AD at the
top of the loop we were at 9000 m =AD almost 30,000 feet!
Those were the days!
Richard Goode Aerobatics
Rhodds Farm
Lyonshall
Herefordshire
HR5 3LW
United Kingdom
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Jan Mevis
Sent: 05 October 2016 07:54
Subject: Re: Yak-List: Russian clock with electrical connectors
I am running mine, after repair, on my desk.
After 24 hours it is still indicates the correct time (to the minute, at
least).
So IMHO, it=B9s more than good enough for use in a 50 or 52.
Though I can imagine that the G-forces while flying or from aerobatics migh
t
influence the accuracy.
Jan
From: <owner-yak-list-server@matronics.com> on behalf of Chris & Diane
Burton <cdoburton@gmail.com>
Subject: Re: Yak-List: Russian clock with electrical connectors
I am glad to be able to assist.
I wish I could claim credit for the picture, but I got it off the internet
somewhere.
I have one of these clocks sitting on my desk and while I am a typical male
who can usually stuff it up without printed help, I had to hunt down some
instructions on how to drive the thing.
If the clock is inaccurate, you can also adjust the =8Cspeed=B9 by twiddling a
screw on the rear.
Chris
>
> On 5/10/2016, at 7:07 PM, Jan Mevis <jan.mevis@informavia.be> wrote:
>
>
> Very interesting indeed, thanks to all!
>
>
>
> Jan
>
>
>
> From: <owner-yak-list-server@matronics.com> on behalf of Justin Drafts
> <draftsjust417@gmail.com>
> Date: Wednesday 5 October 2016 at 03:23
> To: "yak-list@matronics.com" <yak-list@matronics.com>
> Subject: Re: Yak-List: Russian clock with electrical connectors
>
>
>
> Yes thanks gents, all VERY helpful info -
>
>
>
> Justin
>
>
>
> On Tue, Oct 4, 2016 at 3:40 PM, Chris & Diane Burton <cdoburton@gmail.com
>
> wrote:
>>
>> This might help you=8A.
>>
>>
>>
>> Cheers
>>
>> Chris
>>
>>
>>
>> <Clock.png>
>>
>>
>>>
>>> On 5/10/2016, at 1:42 AM, Justin Drafts <draftsjust417@gmail.com> wrote
:
>>>
>>>
>>> Gents, while we're on the topic, I've never used my CJ6's Soviet clock
all
>>> that much. I'm wondering what the red button/knob on the left does? Pho
to
>>> attached. (I see that depressing it flips a red flag to white in the to
p
>>> dial...) The silver knob on right is for on/off, but needed for winding
by
>>> any chance? Or draws its power from the main a/c bus?
>>>
>>> Can anyone give me a quick tutorial on the clock's functions?
>>> Thanks-
>>>
>>> Justin/N280NC
>>>
>>>
>>>
>>> On Tue, Oct 4, 2016 at 8:10 AM, Richard Goode
>>> <Richard.goode@russianaeros.com> wrote:
>>>>
>>>> Yes, that is absolutely correct. What puzzles me is that although
>>>> beautifully made, these clocks are not that accurate, and, given that,
I
>>>> wonder whether keeping them warm makes any significant difference!
>>>>
>>>> Richard Goode
>>>>
>>>>
>>>> From: owner-yak-list-server@matronics.com
>>>> [mailto:owner-yak-list-server@matronics.com] On Behalf Of A. Dennis
>>>> Savarese
>>>> Sent: 04 October 2016 12:38
>>>> To: yak-list@matronics.com
>>>> Subject: Re: Yak-List: Russian clock with electrical connectors
>>>>
>>>>
>>>> If I remember correctly, the Russian clocks were connected to the pito
t
>>>> heat circuit. Thus if pitot heat was turned on, the internal clock he
ater
>>>> was turned on as well.
>>>>
>>>> Dennis
>>>>
>>>>
>>>>
>>>>
>>>> From: Didier Blouzard <didier.blouzard@gmail.com>
>>>> To: "yak-list@matronics.com" <yak-list@matronics.com>
>>>> Sent: Tuesday, October 4, 2016 7:11 AM
>>>> Subject: Re: Yak-List: Russian clock with electrical connectors
>>>>
>>>>
>>>>
>>>> Same clock is sitting on my desk in my boffice right in front of me, i
ndeed
>>>> two connectors
>>>>
>>>> 27v
>>>>
>>>>
>>>>
>>>> 2016-10-04 13:05 GMT+02:00 Jan Mevis <jan.mevis@informavia.be>:
>>>>>
>>>>> I had to remove the clock from my Yak 50 for repair.
>>>>>
>>>>> Then I noticed that it has two connectors for +27 v on the backside (
as
>>>>> stated on the clock).
>>>>>
>>>>> This is obviously not used on the Yak 50.
>>>>>
>>>>> Does anyone know what the purpose is?
>>>>>
>>>>>
>>>>>
>>>>> Regards,
>>>>>
>>>>>
>>>>>
>>>>> Jan
>>>>>
>>>>> Yak 50
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> ____________________________
>>>> Didier BLOUZARD
>>>> Directeur G=E9n=E9ral DATEXIS
>>>> Portable : +33 6 51 84 48 02 <tel:%2B33%206%2051%2084%2048%2002>
>>>> Email: didier.blouzard@gmail.com <mailto:didier.blouzard@anolistech.fr
>
>>>>
>>>>
>>>> --
>>>> This message has been scanned for viruses and
>>>> dangerous content by MailScanner <http://www.mailscanner.info/> , and
is
>>>> believed to be clean.
>>>
>>> <Soviet clock (1).jpg>
>>
>
> <Clock.png>
--
This message has been scanned for viruses and
dangerous content by MailScanner <http://www.mailscanner.info/> , and is
believed to be clean.
Message 3
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Subject: | Re: Russian clock with electrical connectors |
Had my -52 on static display at the Royal Navy Yeovilton Airday this year parked
up near a Polish Navy PZL M28 Skytruck and a MIG 15 ... despite a 40+ year range
of production the one instrument we all had in common was the -1 clock!
For a regime that specialises in one-size-fits-all there are surprisingly two variants
(usually marked on the dial);
-1 = second hand operates with clock, stopwatch sub-dial 60 minutes
-1M = second hand operates with stopwatch, stopwatch sub-dial 30 minutes
And for those interested here's the bullet form of the clock instructions;
- performs a conventional Clock function as well as a Stopwatch and an Hour Recorder
- outer scale is the main Clock & single sweep second hand
- upper sub-dial is the Hour Recorder (HR) and the lower sub-dial is the Stopwatch
function
- two knobs are mounted to the outer bezel;
Left function knob
- normal position (IN) winds the mechanism
- pull OUT & rotate hands to set time on Clock
- push IN to change the setting selection interlink between Clock & Hour Recorder
- each push moves a flag in the Hour Recorder dial - alternates Red, Red / White
and White
- corresponds to Set Clock & HR, Set Clock, Stop HR & Set Clock, Reset HR
Right function knob
- turn counter-clockwise to run mechanism, clockwise to stop
- push knob to cycle Stopwatch function: Start Stop Reset
Using the Chronograph
- Right knob turn clockwise - ensure mechanism stopped
- Left knob - wind mechanism spring until it begins to tighten
- Left knob: push knob IN until White flag shows, pull OUT to set the correct time
& push IN
Red Flag : the White flag is replaced with a Red flag indicating system fully engaged
- turn Right knob counter-clockwise to run the Clock and the Hour Recorder
- Stopwatch functions (push right knob IN) available
Red / White Flag : appears on second push IN of Left knob
- Hour Recorder stopped, main clock continues
- Stopwatch functions still available
White Flag : appears on third push IN of Left knob
- Hour Recorder reset, main clock continues
- Stopwatch functions still available
Rob R.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=460958#460958
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Subject: | Re: Russian clock with electrical connectors |
Forgot got to add to my last post ...
A full spring wind gives at least 3 days operation and, with a diurnal variation
of temperature (20 5) C, the timekeeping is 20 s per day.
The reliability is quoted at 94% over 2000 hours between 20 5 C, which is only
about 3 months continuous use? So not sure how well made it really is, even allowing
for intermittent usage in a high vibration environment.
*** Pre-1970 production probably had the hands and dial painted in Radium 226,
that has a half-life of 1600 years! ***
If you have a letter 'B' on the right side of the dial the hands & numerals are
painted in harmless phosphorescent paint and a 'K' signifies just white paint
was used.
Rob R.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=460959#460959
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Subject: | Yak 55 Scott tailwheel? |
Who has the file for making the Yak 55 Scott 3200 tailwheel adapter?
I've found a shop in Phoenix that can make the part.
Than you!
John B
Message 6
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Subject: | Re: Russian clock with electrical connectors |
My Russian clock won't run. Any recommendation for fix or replacement?
PJ Ashura
Yak-18T
Sent from my iPhone
> On Oct 5, 2016, at 6:02 AM, Rob Rowe <yak-list@robrowe.plus.com> wrote:
>
>
> Forgot got to add to my last post ...
>
> A full spring wind gives at least 3 days operation and, with a diurnal variation
of temperature (20 5) C, the timekeeping is 20 s per day.
>
> The reliability is quoted at 94% over 2000 hours between 20 5 C, which is only
about 3 months continuous use? So not sure how well made it really is, even
allowing for intermittent usage in a high vibration environment.
>
> *** Pre-1970 production probably had the hands and dial painted in Radium 226,
that has a half-life of 1600 years! ***
>
> If you have a letter 'B' on the right side of the dial the hands & numerals are
painted in harmless phosphorescent paint and a 'K' signifies just white paint
was used.
>
> Rob R.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=460959#460959
>
>
>
>
>
>
>
>
>
>
Message 7
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|
Subject: | Re: Russian clock with electrical connectors |
There are several on Ebay for $150 or less if you decide to replace it.Denn
is
From: Patrick Ashura <pjsales@me.com>
To: yak-list@matronics.com
Sent: Wednesday, October 5, 2016 3:47 PM
Subject: Re: Yak-List: Re: Russian clock with electrical connectors
My Russian clock won't run. Any recommendation for fix or replacement?
PJ Ashura
Yak-18T
Sent from my iPhone
> On Oct 5, 2016, at 6:02 AM, Rob Rowe <yak-list@robrowe.plus.com> wrote:
>
>
> Forgot got to add to my last post ...
>
> A full spring wind gives at least 3 days operation and, with a diurnal va
riation of temperature (20 =C2=B1 5) =C2=B0C, the timekeeping is =C2=B1 20
s per day.
>
> The reliability is quoted at 94% over 2000 hours between 20 =C2=B1 5 =C2
=B0C, which is only about 3 months continuous use? So not sure how well mad
e it really is, even allowing for intermittent usage in a high vibration en
vironment.
>
> *** Pre-1970 production probably had the hands and dial painted in Radium
226, that has a half-life of 1600 years! ***
>
> If you have a letter 'B' on the right side of the dial the hands & numera
ls are painted in harmless phosphorescent paint and a 'K' signifies just wh
ite paint was used.
>
> Rob R.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=460959#460959
>
>
>
>
>
>
>
>
>
>
S -
WIKI -
-
=C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin.
Message 8
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Subject: | Re: Russian clock with electrical connectors |
Got two of them, both working
Off list please
Thanks
John
(619) 933-2571
On Wednesday, October 5, 2016, Patrick Ashura <pjsales@me.com> wrote:
> <javascript:;>>
>
> My Russian clock won't run. Any recommendation for fix or replacement?
> PJ Ashura
> Yak-18T
>
> Sent from my iPhone
>
> > On Oct 5, 2016, at 6:02 AM, Rob Rowe <yak-list@robrowe.plus.com
> <javascript:;>> wrote:
> >
> <javascript:;>>
> >
> > Forgot got to add to my last post ...
> >
> > A full spring wind gives at least 3 days operation and, with a diurnal
> variation of temperature (20 =C2=B1 5) =C2=B0C, the timekeeping is =C2=B1
20 s per day.
> >
> > The reliability is quoted at 94% over 2000 hours between 20 =C2=B1 5
=C2=B0C,
> which is only about 3 months continuous use? So not sure how well made it
> really is, even allowing for intermittent usage in a high vibration
> environment.
> >
> > *** Pre-1970 production probably had the hands and dial painted in
> Radium 226, that has a half-life of 1600 years! ***
> >
> > If you have a letter 'B' on the right side of the dial the hands &
> numerals are painted in harmless phosphorescent paint and a 'K' signifies
> just white paint was used.
> >
> > Rob R.
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=460959#460959
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
===========
===========
===========
===========
===========
>
>
Message 9
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Subject: | Re: Russian clock with electrical connectors |
Thanks for this outstanding explanation, Rob!
On 05/10/16 14:02, "Rob Rowe" <owner-yak-list-server@matronics.com on
behalf of yak-list@robrowe.plus.com> wrote:
>
>Forgot got to add to my last post ...
>
>A full spring wind gives at least 3 days operation and, with a diurnal
>variation of temperature (20 5) C, the timekeeping is 20 s per
>day.
>
>The reliability is quoted at 94% over 2000 hours between 20 5 C,
>which is only about 3 months continuous use? So not sure how well made it
>really is, even allowing for intermittent usage in a high vibration
>environment.
>
>*** Pre-1970 production probably had the hands and dial painted in Radium
>226, that has a half-life of 1600 years! ***
>
>If you have a letter 'B' on the right side of the dial the hands &
>numerals are painted in harmless phosphorescent paint and a 'K' signifies
>just white paint was used.
>
>Rob R.
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=460959#460959
>
>
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