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Yak50

 
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wamflight(at)gmail.com
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PostPosted: Tue Sep 20, 2022 5:21 pm    Post subject: Yak50 Reply with quote

Need Yak50 oil cooler. My 50 doesn’t have the original and oil runs hot. (Very hot)
Bill


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gardcycl



Joined: 30 May 2012
Posts: 9
Location: Brisbane, Australia

PostPosted: Tue Sep 20, 2022 6:49 pm    Post subject: Yak50 Reply with quote

How many changes to Yak coolers?
same cooler for all?
different mounts?


Regards Peter Gardiner

SYLVAN BEACH RESORTS
http://www.gumsanchorage.com.au/

http://www.sylvanbeachresort.com.au
P.O. Box 380,

BRIBIE ISLAND,
Queensland...4507

0734088300
0417646838





From: owner-yak-list-server(at)matronics.com <owner-yak-list-server(at)matronics.com> on behalf of Bill <wamflight(at)gmail.com>
Sent: Wednesday, 21 September 2022 11:20 AM
To: Yaklist <yak-list(at)matronics.com>
Subject: Yak50

--> Yak-List message posted by: Bill <wamflight(at)gmail.com>

Need Yak50 oil cooler. My 50 doesn’t have the original and oil runs hot. (Very hot)
Bill
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richard.goode(at)russiana
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PostPosted: Wed Sep 21, 2022 2:28 am    Post subject: Yak50 Reply with quote

All the Yaks had the same oil cooler which when new and with a standard 360 hp engine is more than adequate. However what people don't realise is that, over a period of time the inside of the cooler becomes coated with a layer of hard oil residue which acts as a very good insulator and prevents the cooler from working efficiently. People then think that they can simply wash out this residue with a solvent like petrol, but after so many years, there's no way that this will remove everything. So the only way to ensure that the cooler can actually do its job is to send it to a specialist business who have industrial ultrasonic cleaning machines which vibrate the residue out of the coolers.

There is also a 50% larger cooler – actually the gearbox oil cooler for the MiL 17 helicopter which has exactly the same fittings as the smaller Yak cooler and we have sold a number of these to Sukhoi owners where they are dealing with tuned engines of over 400 hp. But not a simple conversion since inevitably the cowlings need to be modified for the cooler which is physically somewhat larger. Richard.


RICHARD GOODE AEROBATICS
Rhodds Farm, Lyonshall, Hereford, HR5 3LW, UK
Tel: +44 (0)1544 340120 Fax: +44 (0)1544 340129
e-mail: richard.goode(at)russianaeros.com (richard.goode(at)russianaeros.com)
www.russianaeros.com
WORLD LEADERS IN SOVIET & CHINESE RADIAL AIRCRAFT ENGINES
In partnership with Aerometal Kft, Hungary.


From: owner-yak-list-server(at)matronics.com <owner-yak-list-server(at)matronics.com> On Behalf Of Peter Gardiner
Sent: 21 September 2022 03:50
To: yak-list(at)matronics.com
Subject: Re: Yak50

How many changes to Yak coolers?

same cooler for all?

different mounts?



Regards Peter Gardiner

SYLVAN BEACH RESORTS

http://www.gumsanchorage.com.au/

http://www.sylvanbeachresort.com.au

P.O. Box 380,

BRIBIE ISLAND,
Queensland...4507

0734088300

0417646838


From: owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com) <owner-yak-list-server(at)matronics.com (owner-yak-list-server(at)matronics.com)> on behalf of Bill <wamflight(at)gmail.com (wamflight(at)gmail.com)>
Sent: Wednesday, 21 September 2022 11:20 AM
To: Yaklist <yak-list(at)matronics.com (yak-list(at)matronics.com)>
Subject: Yak50

--> Yak-List message posted by: Bill <wamflight(at)gmail.com (wamflight(at)gmail.com)>

Need Yak50 oil cooler. My 50 doesn’t have the original and oil runs hot. (Very hot)
Bill
===========
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