Today's Message Index:
----------------------
1. 12:51 AM - Re: Yak gas cap cover (Yakjumper)
2. 05:07 AM - Structural repairs (Mike Beresford)
3. 06:34 AM - Re: Structural repairs (Richard Goode)
4. 06:49 AM - Re: Structural repairs (A. Dennis Savarese)
5. 10:54 AM - Re: Blown oil hose CJ - connectors? (jay-dub)
6. 11:36 AM - Re: Blown oil hose CJ - connectors? (Robin Hou)
7. 12:07 PM - Re: Blown oil hose CJ - connectors? (jay-dub)
8. 12:37 PM - Re: Blown oil hose CJ - connectors? (Harv)
9. 02:40 PM - Re: Blown oil hose CJ - connectors? (Harv)
10. 09:18 PM - Re: Re: Blown oil hose CJ - connectors? (Walter Lannon)
Message 1
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| Subject: | Re: Yak gas cap cover |
If still needed I got several NOS original ones in stock.
Paint/wax from the factory
Located in Germany, shipping no problem, got other parts as well.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471423#471423
Attachments:
http://forums.matronics.com//files/gascover_nos_161.jpg
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| Subject: | Structural repairs |
Hi all
We've found some corrosion on the spar caps of my Yak-52, which is going to have
to be repaired before further flight.
Is there an official repair manual for the Yak-52, or do most facilities use generic
data such as AC 43.13?
ThanksMike
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| Subject: | Structural repairs |
Hello Mike,
I'm sure, given Russian thoroughness, that there is a detailed repair
manual. But equally it would have been made in about 10 copies only and
given to only the big repair factories. They regard these things as
state secrets, and definitely would not release them, even although they
are all pretty much defunct.
So I think you need to go back to basics and use generic repair
technology =93 but it is a fairly conventional aeroplane.
I'm sorry I can't be more helpful!
Regards
Richard
Rhodds Farm
Lyonshall
Hereford
HR5 3LW
United Kingdom
Tel: +94 (0) 81 241 5137 (Sri Lanka)
Tel: +44 (0) 1544 340120
Fax: +44 (0) 1544 340129
www.russianaeros.com
I=99m currently in Sri Lanka but this Mail is working,and my local
phone is +94 779 132 160.
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Mike Beresford
Sent: Wednesday, August 02, 2017 5:36 PM
Subject: Yak-List: Structural repairs
Hi all
We've found some corrosion on the spar caps of my Yak-52, which is going
to have to be repaired before further flight.
Is there an official repair manual for the Yak-52, or do most facilities
use generic data such as AC 43.13?
Thanks
Mike
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| Subject: | Re: Structural repairs |
Mike,
I'm curious where the airplane has been stored and used? The only place
Ipersonally have ever seen serious corrosion on a 52 is on aircraft
stored in an open hangar and very near salt water. Also operated over
salt water at "low" altitudes.
A. Dennis Savarese
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1
On 8/2/2017 9:33 AM, Richard Goode wrote:
>
> Hello Mike,
>
> I'm sure, given Russian thoroughness, that there is a detailed repair
> manual. But equally it would have been made in about 10 copies only
> and given to only the big repair factories. They regard these things
> as state secrets, and definitely would not release them, even although
> they are all pretty much defunct.
>
> So I think you need to go back to basics and use generic repair
> technology but it is a fairly conventional aeroplane.
>
> I'm sorry I can't be more helpful!
>
> Regards
>
> Richard
>
> Rhodds Farm
>
> Lyonshall
>
> Hereford
>
> HR5 3LW
>
> United Kingdom
>
> Tel: +94 (0) 81 241 5137 (Sri Lanka)
>
> Tel: +44 (0) 1544 340120
>
> Fax: +44 (0) 1544 340129
>
> www.russianaeros.com <http://www.russianaeros.com>
>
> Im currently in Sri Lanka but this Mail is working,and my local phone
> is +94 779 132 160.
>
> *From:*owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com] *On Behalf Of *Mike Beresford
> *Sent:* Wednesday, August 02, 2017 5:36 PM
> *To:* yak-list@matronics.com
> *Subject:* Yak-List: Structural repairs
>
> Hi all
>
> We've found some corrosion on the spar caps of my Yak-52, which is
> going to have to be repaired before further flight.
>
> Is there an official repair manual for the Yak-52, or do most
> facilities use generic data such as AC 43.13?
>
> Thanks
>
> Mike
>
>
> --
> This message has been scanned for viruses and
> dangerous content by *MailScanner* <http://www.mailscanner.info/>, and is
> believed to be clean.
>
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| Subject: | Re: Blown oil hose CJ - connectors? |
Thanks, Walt.
The removed external panel is just aft of the firewall on the lower right side
of the forward fuselage. I'm interested in your comments above as we have no immediate
means of comparison. If I get chance, I will ask to open the same panel
on one of the other two Huosai powered CJs in the UK to see.
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471441#471441
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| Subject: | Re: Blown oil hose CJ - connectors? |
Jay-Dub, do you oil hoses pass through the firewall with fittings?
On my 85 CJ-6 both oil hoses run through the firewall via grommets without fittings.
My oil hose is Chinese so I assume they are original since 1990's when it
was exported to the U.S.
I have considered adding fittings as firewall pass through when I replace the oil
hose. However, the firewall is only aluminum so any benefit of the fittings
may not be realized in case of fire.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471442#471442
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| Subject: | Re: Blown oil hose CJ - connectors? |
They go through the firewall with grommets.
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471444#471444
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| Subject: | Re: Blown oil hose CJ - connectors? |
So the pic is you posted is taken looking through the STB side fuselage access
panel which makes more sense.
I'm with my aircraft tonight so will take a picture for you.
The only possibly explanation I can think right now is someone has done a very
nasty modification with the engine oil feed line to the cooler buy adding a fitting
and running two smaller hoses (possibly for ease of replacement??) rather
than obtain a new Chinese hose.
It has certainly doubled the failure mode (as you have found out) and I'm quite
surprised whoever maintains your AC hasn't insisted this was removed (that's
just my 2pence worth) in the normal course of performing the 3 year periodical
hose pressure test [Shocked] but that assumes they "know" these aircraft.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471445#471445
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| Subject: | Re: Blown oil hose CJ - connectors? |
Oil hoses running through the firewall, the fitting you see connects to the excellent
Craig Payne oil filter bypass system
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471450#471450
Attachments:
http://forums.matronics.com//files/image_334.jpeg
Message 10
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| Subject: | Re: Blown oil hose CJ - connectors? |
Jay-dub;
Attaching a photo taken inside the RH lower, forward, fuselage panel
(approx. 5" X 7") just aft of the firewall and above the floor. The LH
side has an identical panel in the same location. The two oil hoses you see
(though new a few years ago) are exactly as original. They are approx. 6
ft. long and join the oil cooler hoses in the area of an access panel under
the RH fwd. wing LE/fuselage fairing.
All you see in the photo is stock, with the exception of my 24/12 voltage
converter at the bottom. In the upper LH corner is the fuel pressure
transmitters the hose connector for which attaches on the fwd. side of the
firewall.
In the lower RH corner of the photo there is a heavy metal section which is
the inboard side of the RH lower longeron. This is a wide, "U" shaped
structure (one of four) which carries the major fuselage loads.
In viewing your photo the longeron is also visible (full of oil) but is
located in the LH lower corner of the image. If the photo as taken aft to
fwd as the firewall image appears to suggest I am really confused.
Mine is a 1965 version and at least to the late 1970's this area is
unchanged. Maybe not true of later models?
Cheers;
Walt
-----Original Message-----
From: jay-dub
Sent: Wednesday, August 02, 2017 10:54 AM
Subject: Yak-List: Re: Blown oil hose CJ - connectors?
Thanks, Walt.
The removed external panel is just aft of the firewall on the lower right
side of the forward fuselage. I'm interested in your comments above as we
have no immediate means of comparison. If I get chance, I will ask to open
the same panel on one of the other two Huosai powered CJs in the UK to see.
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471441#471441
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