Today's Message Index:
----------------------
1. 12:59 AM - Re: Voltage Regulation LONG REPLY! (CJ6XXK)
2. 02:17 AM - Re: Re: Prop not turning (Jan Mevis)
3. 06:07 AM - Russian Start Solnoid Valves (Jill Gernetzke)
4. 06:43 AM - Re: Re: Voltage Regulation LONG REPLY! (George Coy)
5. 06:43 AM - FW: Re: Voltage Regulation LONG REPLY! (George Coy)
6. 08:35 AM - CJ6a Housai cylinder head cracked (Harv)
7. 09:51 AM - Re: Re: Voltage Regulation LONG REPLY! (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
8. 11:36 AM - Re: CJ6a Housai cylinder head cracked (A. Dennis Savarese)
9. 11:36 AM - Re: CJ6a Housai cylinder head cracked (A. Dennis Savarese)
10. 12:06 PM - Re: CJ6a Housai cylinder head cracked (Harv)
11. 12:42 PM - Re: Re: CJ6a Housai cylinder head cracked (A. Dennis Savarese)
12. 12:57 PM - Re: CJ6a Housai cylinder head cracked (Harv)
13. 01:10 PM - Yak-52D (Cpayne)
14. 01:50 PM - Looking for IAR823 service manual. (Bruce Campbell)
15. 02:35 PM - Composite V530 Propeller Blades & Spinners (WhirlWind)
16. 02:35 PM - Re: Yak-52D (Nel Sprague)
17. 04:48 PM - Re: Looking for IAR823 service manual. (Genzlinger, Reade)
Message 1
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| Subject: | Re: Voltage Regulation LONG REPLY! |
Is that on a yak 18T?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329279#329279
Message 2
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| Subject: | Re: Prop not turning |
That was the case with the start valve on my 50. So I think that this was
the original situation on the Yak 50 (older than the 52).
Gradually these valves were replaced with valves from the 52.
Jan
> -----Original Message-----
> From: owner-yak-list-server@matronics.com [mailto:owner-yak-list-
> server@matronics.com] On Behalf Of Bitterlich, Mark G CIV Det Cherry
> Point, MALS-14 64E
> Sent: dinsdag 1 februari 2011 10:27
> To: yak-list@matronics.com
> Subject: RE: Yak-List: Re: Prop not turning
>
> Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>
> Doug, I have seen ones that do not even have the SLOT for the manual
> lever. Not sure what model that is, but bet Dennis does.
>
> Mark
>
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com] On Behalf Of doug sapp
> Sent: Tuesday, February 01, 2011 1:56 PM
> To: yak-list@matronics.com
> Subject: Re: Yak-List: Re: Prop not turning
>
> Guys,
> Even though the PLAAF remove the manual start levers from their QDF-1
> start solenoid valves I have never seen a factory new Chinese QDF-1
> valve that did not have one. So that can only mean that they are
> removed in the field, not at the factory. I just checked and at this
> time I have 12 valves in stock, 10 are factory new and have the manual
> start lever, 2 are air base overhauls and they do not have the lever.
>
> Best,
> Doug
>
>
>
> On Tue, Feb 1, 2011 at 10:04 AM, Bitterlich, Mark G CIV Det Cherry
> Point, MALS-14 64E <mark.bitterlich@navy.mil> wrote:
>
>
> Cherry Point, MALS-14 64E" <mark.bitterlich@navy.mil>
>
> Be advised that if you have a valve WITH the manual tab and it
> goes bad,
> you can take a new valve WITHOUT the tab and just put the lower
> outer
> body from the old one onto the new one and you will retain
> manual start
> capabilities.
>
> Mark
>
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com] On Behalf Of Jan
> Mevis
> Sent: Tuesday, February 01, 2011 10:02
> To: yak-list@matronics.com
> Subject: RE: Yak-List: Re: Prop not turning
>
> <jan.mevis@informavia.be>
>
> The original air start valve on my 50 did not have a manual tab.
> Would
> be
> useless on a 50 anyway.
>
> Jan
>
> > -----Original Message-----
> > From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-
> > server@matronics.com] On Behalf Of George Coy
> > Sent: dinsdag 1 februari 2011 3:27
> > To: yak-list@matronics.com
> > Subject: RE: Yak-List: Re: Prop not turning
> >
> <george.coy@gmail.com>
> >
> > Some of the air start valves do not have the manual activation
> tab.
> >
> > George Coy
> >
> > -----Original Message-----
> > From: owner-yak-list-server@matronics.com
> > [mailto:owner-yak-list-server@matronics.com] On Behalf Of A.
> Dennis
> > Savarese
> > Sent: Tuesday, February 01, 2011 7:22 AM
> > To: yak-list@matronics.com
> > Subject: Re: Yak-List: Re: Prop not turning
> >
> > The air start valve is located directly in front of the left
> rudder
> > pedal on
> > the back side of the firewall. It's the vertical unit with
> the small
> > tab on
> > the side and an electrical connector on the top. I've
> attached a
> photo
> > of
> > it.
> > Dennis
> >
> > On 2/1/2011 2:58 AM, hammerhead wrote:
> > > --> Yak-List message posted by:
> "hammerhead"<henrik.andoff@had.se>
> > >
> > > After warming the engine for two days straight we got it
> working.
> > > Proof here: http://www.youtube.com/watch?v=zsuGzOk5dDc
> > >
> > > However, we couldn't find the manual lever to make the
> propeller
> > turn. If
> > I show you a picture here below. Where is the electrical
> starter valve
> > located?
> > >
> > >
> > >
> > >
> > >
> > >
> > > Read this topic online here:
> > >
> > > http://forums.matronics.com/viewtopic.php?p=329165#329165
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
>
>
>
>
>
>
>
>
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> ==========
> http://forums.matronics.com
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> le, List Admin.
> ="_blank">http://www.matronics.com/contribution
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Message 3
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| Subject: | Russian Start Solnoid Valves |
Guys,
There are two models of the Russian valve that I know of:
EK-48: Tab
EK-48M: No tab
And, Mark is right about converting the M into a straight EK-48.
Jill
Message 4
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| Subject: | Re: Voltage Regulation LONG REPLY! |
We have some voltage regulators (used) here if you need one. We also have an
alternator conversion kit that will replace the voltage regulator, the
overvoltage controller, the DMR-200 relay and the Generator with a FAA
approved alternator and solid state regulator. We even have a service
bulletin for the kit for the Yak-52.
George Coy
CAS Ltd.
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
802-868-4465 Fax
george.coy@gmail.com
http://coyafct.com/
SKYPE george.coy
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of lesknox
Sent: Wednesday, February 02, 2011 2:53 AM
Subject: Yak-List: Re: Voltage Regulation LONG REPLY!
Mark,
I have this exact problem and concluded it was the Regulator. Can you tell
me how to proceed from here.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329278#329278
Message 5
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| Subject: | Re: Voltage Regulation LONG REPLY! |
We have some voltage regulators (used) here if you need one. We also have an
alternator conversion kit that will replace the voltage regulator, the
overvoltage controller, the DMR-200 relay and the Generator with a FAA
approved alternator and solid state regulator. We even have a service
bulletin for the kit for the Yak-52.
George Coy
CAS Ltd.
714 Airport Rd.
Swanton VT 05488
802-868-5633 off
802-363-5782 cell
802-868-4465 Fax
george.coy@gmail.com
http://coyafct.com/
SKYPE george.coy
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of lesknox
Sent: Wednesday, February 02, 2011 2:53 AM
Subject: Yak-List: Re: Voltage Regulation LONG REPLY!
Mark,
I have this exact problem and concluded it was the Regulator. Can you tell
me how to proceed from here.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329278#329278
Message 6
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| Subject: | CJ6a Housai cylinder head cracked |
Good afternoon.
Well its not been a good day thus far, we've discovered a cylinder head crack right
across the exhaust valve seat and into the head on No. 5 cylinder :(
The engine has not been run since it left the PLAAF so I'm assuming poor handling
(possible over-cooling in the descent, who knows????). Maybe they will help
out with parts but I dont know yet...
Can the head be swapped without replacing cylinder and piston? OR do we need to
replace the whole of No5 assembly?
Any experiences or previous findings would be greatly appreciated!
Regards
Harv
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329305#329305
Message 7
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| Subject: | Re: Voltage Regulation LONG REPLY! |
I am not sure what "exact problem" you are referring to. Sorry. Could
you please send me the details?
Mark
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of lesknox
Sent: Wednesday, February 02, 2011 2:53 AM
Subject: Yak-List: Re: Voltage Regulation LONG REPLY!
Mark,
I have this exact problem and concluded it was the Regulator. Can you
tell me how to proceed from here.
Message 8
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| Subject: | Re: CJ6a Housai cylinder head cracked |
I would recommend replacing the #5 cylinder; the complete assembly. If
you were to try to remove the head from the barrel, you'd still have to
remove the cylinder completely. Then to find just the head might be a
challenge. Definitely not worth the effort and cost. Call Doug as
I'm confident he can supply you with a cylinder.
Dennis
On 2/2/2011 10:32 AM, Harv wrote:
> --> Yak-List message posted by: "Harv"<martin.harvey@kbr.com>
>
> Good afternoon.
>
> Well its not been a good day thus far, we've discovered a cylinder head crack
right across the exhaust valve seat and into the head on No. 5 cylinder :(
>
> The engine has not been run since it left the PLAAF so I'm assuming poor handling
(possible over-cooling in the descent, who knows????). Maybe they will help
out with parts but I dont know yet...
>
> Can the head be swapped without replacing cylinder and piston? OR do we need
to replace the whole of No5 assembly?
>
> Any experiences or previous findings would be greatly appreciated!
>
> Regards
>
> Harv
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=329305#329305
>
>
Message 9
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| Subject: | Re: CJ6a Housai cylinder head cracked |
I would recommend replacing the #5 cylinder; the complete assembly. If
you were to try to remove the head from the barrel, you'd still have to
remove the cylinder completely. Then to find just the head might be a
challenge. Definitely not worth the effort and cost. Call Doug as
I'm confident he can supply you with a cylinder.
Dennis
On 2/2/2011 10:32 AM, Harv wrote:
> --> Yak-List message posted by: "Harv"<martin.harvey@kbr.com>
>
> Good afternoon.
>
> Well its not been a good day thus far, we've discovered a cylinder head crack
right across the exhaust valve seat and into the head on No. 5 cylinder :(
>
> The engine has not been run since it left the PLAAF so I'm assuming poor handling
(possible over-cooling in the descent, who knows????). Maybe they will help
out with parts but I dont know yet...
>
> Can the head be swapped without replacing cylinder and piston? OR do we need
to replace the whole of No5 assembly?
>
> Any experiences or previous findings would be greatly appreciated!
>
> Regards
>
> Harv
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=329305#329305
>
>
Message 10
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| Subject: | Re: CJ6a Housai cylinder head cracked |
Cheers,
I'm potentially looking at removing all the cylinders for an inspection and clean
up of valves and seats, re-lapping etc. The trouble as I can see it is you
just don't know whats gone on with it in the past?
Can tdc height of the pistons be measured closely enough to establish if we had
any bent connecting rods from hydraulic'd cylinders?
Thus might be an opportunity to fit total seal piston rings? Not that I want to
create more work, I just want the peace of mind.
Rgs
Harv
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329327#329327
Message 11
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| Subject: | Re: CJ6a Housai cylinder head cracked |
Even if you were able to accurately measure the link rod lengths (the
master rod is the shortest and there are 4 other link rod lengths
ranging from .15mm to .39mm longer), I don't think that would give you
the peace of mind you're looking for. I've always believed that peace
of mind equals a bit more work. And since you fly behind this engine, a
bit more work WOULD be well worth the effort and give you the peace of
mind you're looking for.
Dennis
On 2/2/2011 2:04 PM, Harv wrote:
> --> Yak-List message posted by: "Harv"<martin.harvey@kbr.com>
>
> Cheers,
>
> I'm potentially looking at removing all the cylinders for an inspection and clean
up of valves and seats, re-lapping etc. The trouble as I can see it is you
just don't know whats gone on with it in the past?
>
> Can tdc height of the pistons be measured closely enough to establish if we had
any bent connecting rods from hydraulic'd cylinders?
>
> Thus might be an opportunity to fit total seal piston rings? Not that I want
to create more work, I just want the peace of mind.
>
> Rgs
>
> Harv
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=329327#329327
>
>
Message 12
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| Subject: | Re: CJ6a Housai cylinder head cracked |
I does make me wonder what caused the cracked valve seat.
Whats the best procedure for checking straightness of the rods?
TIA
Harv
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329331#329331
Message 13
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|
That's "D" for Diesel. Just opened up my Sport Aviation and spotted the article
on the Raikhlin 500HP V-12 Diesel. They put it into a Yak-52 and it runs on Jet
A.
Strong like Ox, Smart like Tractor!
Craig Payne
Message 14
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| Subject: | Looking for IAR823 service manual. |
From: Bruce Campbell
Sent: Wednesday, February 02, 2011 1:38 PM
Subject: Looking for IAR823 service manual.
My original was lost be a mechanic. Does anyone have a spare copy, or woul
d be willing to get copied?
Thanks in advance
Bruce Campbell
IAR823 n90823
Message 15
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| Subject: | Composite V530 Propeller Blades & Spinners |
Hello, this is Patti at Whirl Wind Propellers. I have seen a number of questions
regarding the new composite blades and spinner now available for the V530 propellers,
so I thought it would be a good idea to post some information on our
newest products to this list.
Whirl Wind is now shipping the new composite W530 propeller blades which are a
direct replacement for the wood V530 propeller blades as well as the 20" diameter
composite spinner that works with either the V530 or W530 blades.
http://www.whirlwindpropellers.com/v530/index.html
W530 Composite Blades
The new WhirlWind W530 all-composite blades are designed to fit the existing V530
propeller hub on M-14P engine powered aircraft. The W530 blades have an updated
blade twist distribution, new airfoils and a unique profile to give improved
take-off, climb, and cruise performance with smooth quiet operation. The
unique Whisper Tip scimitar blade planform reduces aerodynamic transonic drag,
increases efficiency and reduces prop noise. This means more performance for
your airplane, and less noise from the propeller.
The W530 has an increased diameter of 98.5 (250cm) which translates to better climb
performance. There is also a 6 lbs weight savings with the new W530 blades.
The picture below shows the new W530 blades installed on Ryan Carroll's Yak 52.
Ryan has done some test flying to compare the V530 and W530 blade performance.
He is on this list and would probably be a good resource to answer questions
regarding performance or installation of the W530 blades.
New W530
Diameter: 250 cm (98.5 inches)
Construction: Thermo-set Aerospace Graphite composite
Leading Edge: Flush bond Nickel
Weight: 15.5 lbs
(6 lbs savings per set)
Original Wood V530
Diameter: 240 cm (94.5 inches)
Construction: Wood
Leading Edge: Riveted Multi-piece Stainless
Weight: 18.5 lbs
Spinners
We also have a new composite 20" diameter spinner that will turn your trainer into
a fighter. The spinner comes with front & rear bulkheads installed, nutplates
installed. The spinner will arrive fitted & trimmed with a primer coat ready
for paint. The current price is $1,500 USD plus shipping.
Please feel welcome to call or email me with any questions and I would be happy
to talk with you.
Where to Buy
The W530 composite blades and the 20" Spinner can be purchased from:
M-14P.com
and
WhirlWindPropellers.com
Current Pricing*
W530 Blades: $6,000 per set
20" Spinner: $1,500
*All prices USD,
**All prices are subject to change without notice,
*** Prices do not include shipping cost
Sincerely,
Patti
Whirl Wind Propellers
wwpdc@whirlwindpropellers.com
619-562-3725
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=329352#329352
Attachments:
http://forums.matronics.com//files/w530_post_195.jpg
http://forums.matronics.com//files/v530spinner_dwg_post_154.jpg
http://forums.matronics.com//files/20inch_v530spinner_post_411.jpg
Message 16
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|
Craig - Interesting on the diesel. What do you use for oil in the YAK 52?
Its very cold here in Cameron Park and takes forever to get the current 10
0WT oil above 40 degrees. Any ideas? Nels
> Date: Wed=2C 2 Feb 2011 13:35:10 -0500
> From: cpayne@joimail.com
> To: yak-list@matronics.com
> Subject: Yak-List: Yak-52D
>
>
> That's "D" for Diesel. Just opened up my Sport Aviation and spotted the a
rticle on the Raikhlin 500HP V-12 Diesel. They put it into a Yak-52 and it
runs on Jet A.
>
> Strong like Ox=2C Smart like Tractor!
>
> Craig Payne
>
===========
===========
===========
===========
>
>
>
Message 17
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|
| Subject: | Re: Looking for IAR823 service manual. |
Bruce
Contact me off list- Reade@Genzlinger.net
Reade
On Feb 2, 2011, at 14:54, "Bruce Campbell" <brcamp@microsoft.com> wrote:
>
>
>
>
> From: Bruce Campbell
> Sent: Wednesday, February 02, 2011 1:38 PM
> To: 'owner-yak-list-server@matronics.com'
> Subject: Looking for IAR823 service manual.
>
>
>
> My original was lost be a mechanic. Does anyone have a spare copy, or wou
ld be willing to get copied?
>
>
>
> Thanks in advance
>
>
>
> Bruce Campbell
>
> IAR823 n90823
>
>
>
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