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Log in| Search found 310 matches |
| Author | Message |
|---|---|
 Topic: Yak 52 is now a real warbird. |
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| GeorgeCoy Replies: 1 Views: 4844 |
 Forum: Yak-List Posted: Mon Apr 29, 2024 5:21 am Subject: Yak 52 is now a real warbird. |
| Hmmm a few errors in the article. The Yak52TW was equipped with hard points
and production continued into the 2005. -- |
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| Topic: Yak and CJ booster coil? |
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| GeorgeCoy Replies: 4 Views: 5910 |
Forum: Yak-List Posted: Wed Apr 24, 2024 7:57 am Subject: Yak and CJ booster coil? |
| Cliff Coy is having some of our SPK=01’s made again. Contact him cliff.coy@gmail.com (From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com> On Behalf Of John B
Sent: ... |
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| Topic: Yak-List Digest: 4 Msgs - 02/03/24 |
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| GeorgeCoy Replies: 3 Views: 5082 |
Forum: Yak-List Posted: Thu Feb 29, 2024 12:49 pm Subject: Yak-List Digest: 4 Msgs - 02/03/24 |
| I have a brand new old stock propeller with blades here. Give me a shout if you’re interested.
George CoySent from my iPhone [quote]On Feb 29, 2024, at 2:16 PM, Frederick Slyfield <norske ... |
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| Topic: Barrett Pistons |
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| GeorgeCoy Replies: 5 Views: 10791 |
Forum: Yak-List Posted: Sun Dec 24, 2023 1:40 pm Subject: Barrett Pistons |
| Merry Christmas and hoping of a great new year.
I would just to confirm that Motorstar of Bacau, the manufacturer of the M14P engines also has a 3 ring piston. They developed them in October of 2010 ... |
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| Topic: Tach drive |
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| GeorgeCoy Replies: 5 Views: 6151 |
Forum: Yak-List Posted: Sat Jul 08, 2023 6:10 am Subject: Tach drive |
| My 2 cents. If you pull the inner pat of the Russian tach drive, There is a
good chance the mating bevel gear has dropped down. We had a client with an almost new TW do this and got it started. The ... |
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| Topic: Returned Mail: Re: Flare |
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| GeorgeCoy Replies: 4 Views: 2352 |
Forum: Yak-List Posted: Sun Sep 11, 2022 7:25 am Subject: Returned Mail: Re: Flare |
| It’s a three phase system on the original yak system. Reverse two of the wires and you should be fine
Sent from my iPhone On Sep 11, 2022, at 11:18 AM, Bill <wamflight@gmail.com> wrote: ... |
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| Topic: Cracked oil temperature probe housing |
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| GeorgeCoy Replies: 2 Views: 2229 |
Forum: Yak-List Posted: Thu Jul 28, 2022 7:59 am Subject: Cracked oil temperature probe housing |
| I assume it’s kind of brown color triangle shape metal can with two oil temperature probs and inlet and outlet ports.
This would be a yak airframe part not a M14 engine part. They are prone to c ... |
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| Topic: Cylinder sizes with M 14 engines |
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| GeorgeCoy Replies: 1 Views: 1831 |
Forum: Yak-List Posted: Mon Mar 21, 2022 5:00 am Subject: Cylinder sizes with M 14 engines |
| The Motorstar Factory in Romania still produces new cylinders. They have had some success in installing new cylinder barrels as well. They are currently working on the Nikasil process.
Barretts has ... |
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| Topic: Wing mount bore reaming |
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| GeorgeCoy Replies: 1 Views: 2253 |
Forum: Yak-List Posted: Thu Jan 27, 2022 9:17 am Subject: Wing mount bore reaming |
| I believe that they had the fuselage and wings in jigs and reamed the holes
in that position. I saw this process on the Yak 52's at the factory. Probably your best option is to align the old holes ... |
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| Topic: Housai engines |
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| GeorgeCoy Replies: 0 Views: 2026 |
Forum: Yak-List Posted: Thu Jan 27, 2022 6:37 am Subject: Housai engines |
| Due to recent demands for the overhaul of the Chinese HS6A engines, SC Motorstar SA of Bacau Romania has agreed to overhaul the HS6A engines. They have overhauled the Russian AI-14RA engines in the pa ... | |
| Topic: Electrical system Yak-18T |
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| GeorgeCoy Replies: 4 Views: 3654 |
Forum: Yak-List Posted: Sat Jan 22, 2022 3:55 am Subject: Electrical system Yak-18T |
| The 36 V AC and the 115 V AC systems run to the gyros and some of the radios.
George Coy Sent from my iPad On Jan 22, 2022, at 12:27 AM, RodLovell <grumpyoldman2@gmail.com> wrote: ï ... |
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| Topic: M9/M9F/M9-35M magneto differences |
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| GeorgeCoy Replies: 6 Views: 5033 |
Forum: Yak-List Posted: Fri Jan 07, 2022 1:09 pm Subject: M9/M9F/M9-35M magneto differences |
| Date: 23 November 2001
Russian Magnetos, Ignition Systems and Timing Them By George Coy I have been asked many times to explain the ignition systems on the M-14P engines and their cousins the M14 ... |
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| Topic: Yak-List Digest: 6 Msgs - 09/27/21 |
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| GeorgeCoy Replies: 4 Views: 1916 |
Forum: Yak-List Posted: Tue Sep 28, 2021 11:01 am Subject: Yak-List Digest: 6 Msgs - 09/27/21 |
| I am presently out of the overhauled compressors, but Rhonda at Barretts Precision Engines may have them. They are setting up to overhaul tm as well. Â I think Jill at M14P inc can overhaul them as we ... | |
| Topic: Asz 621 |
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| GeorgeCoy Replies: 0 Views: 1086 |
Forum: Yak-List Posted: Thu Aug 26, 2021 1:05 pm Subject: Asz 621 |
| I am looking for a new old stock or an overhauled old stock Antonov-2 engine. Asz-621 series 14, 15 or 16. Any leads would be appreciated.
George Coy MotorstarNA |
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| Topic: Engine roughness at low power, 82% RPM? |
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| GeorgeCoy Replies: 10 Views: 5725 |
Forum: Yak-List Posted: Fri Jul 02, 2021 5:48 pm Subject: Engine roughness at low power, 82% RPM? |
| You could use a propane torch but don’t lite the torch. Just use it like a sniffer and just wave the propane gas around the joints I will do the same thing with a lot less danger.
George Coy Se ... |
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| Topic: AK50 P-12 compressors |
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| GeorgeCoy Replies: 12 Views: 6118 |
Forum: Yak-List Posted: Thu Jun 03, 2021 9:50 am Subject: AK50 P-12 compressors |
| The compressors came off the Antonoff engines. There are larger to stage compressor that seems to fit the M 14 just fine. I have two of them is sitting on my shelf for over 20 years. If somebody wants ... | |
| Topic: AK50 P-12 compressors |
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| GeorgeCoy Replies: 12 Views: 6118 |
Forum: Yak-List Posted: Thu Jun 03, 2021 6:33 am Subject: AK50 P-12 compressors |
| $150.00 as is.
George From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com> On Behalf Of World Aviation Museum Sent: Thursday, June 3, 2021 10:23 AM To: yak-list ... |
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| Topic: AK50 P-12 compressors |
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| GeorgeCoy Replies: 12 Views: 6118 |
Forum: Yak-List Posted: Thu Jun 03, 2021 6:02 am Subject: AK50 P-12 compressors |
| Rico, We have a couple of used ones here.
George Coy MotorstarNA 714 Airport Rd. Swanton VT 05488 802-868-5633 off 802-363-5782 cell george.coy@gmail.com ( SKYPE george.coy ... |
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| Topic: Spark Plug Inserts |
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| GeorgeCoy Replies: 7 Views: 12230 |
Forum: M14PEngines-List Posted: Tue Jun 01, 2021 5:02 am Subject: Spark Plug Inserts |
| Todd,
Richard is correct, that the cylinder must be removed to be repaired. Attached are service instructions for the replacement. We also can supply the oversize bushings and oversize checking p ... |
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| Topic: intake/exhaust stack-to-cylinder rings... ? |
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| GeorgeCoy Replies: 7 Views: 3512 |
Forum: Yak-List Posted: Mon May 17, 2021 5:45 am Subject: intake/exhaust stack-to-cylinder rings... ? |
| The M14 part numbers are:
10-04-46 Intake gasket upper pipe to cylinder 3 per cylinder 14-04-542 Exhaust Gasket (doughnut) 10-04-26 Intake gasket lower pipe to supercharger case George ... |
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