Today's Message Index:
----------------------
1. 01:28 AM - Re: Yak52 fuel tank leaks (Cliff Umscheid)
2. 06:40 AM - Re: Another Engine Out Landing (Jill Gernetzke)
3. 08:15 AM - Re: Yak52 fuel tank leaks (the wades)
4. 11:44 AM - New parts delivery. (doug sapp)
5. 02:28 PM - Yak-52 Hoses for Sale (Ray, James)
6. 02:35 PM - Re: New parts delivery. (A. Dennis Savarese)
7. 05:29 PM - Rideshare OSH/MTW (Girlypilot)
8. 06:07 PM - Re: New parts delivery. (doug sapp)
Message 1
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| Subject: | Re: Yak52 fuel tank leaks |
Hi Bill,
I found your post of Sunday, 16 July potentially helpful to my problem.
You wrote"....repaired both with a two part epoxy from Locktite 9460
Hysol and fiberglass cloth...". I'm not familiar with these materials (
specifically the Locktite 9460 and the two part epoxy} and I want to
repair a fuel seepage leak on the side of a fiberglass tip tank in my A
36 Bonanza. Would you please print out for me the procedure you employ to
prepare and apply the materials used to make your fix? I also own and
fly a YAK 50 and although this Bonanza thing is a bit off topic I hope to
cure that problem using your method. Thankyou for your assistance.
Cliff Umscheid
On Sun, 16 Jul 2006 11:16:04 -0400 "the wades" <wade154@frontiernet.net>
writes:
Preston
I've had two leaks from what I would call oil canning cracks and
repaired both with a two part epoxy from loctite 9460 Hysol and
fiberglass cloth and the repairs have held for a couple years now. I
think the reason for my cracks are I do a lot of acro and pull 4-4.5 on
most outings or 0 lbs. at the top of a loop to 312 at the bottom and
straight and level 78 lbs, so I can see why it would oil can. The leaks
that I have repaired were found just after such an outing and in the
center bottom of the tank. My Yak is 1985 vintage it has two straps
holding each fuel tank in place I've seen newer models with three straps
holding the fuel tank in, which would really help stop the oil canning in
the center where my leaks were repaired. Its quite possible that the
older Yaks that were stressed to 5 gs had two straps and when the 7 g
spar mod came out and the boys and girls started pulling 7+ gs the
factory found that another strap solved the problem.
Bill Wade
N4450Y
----- Original Message -----
Sent: Saturday, July 15, 2006 8:21 PM
A year ago, flying back from OSH, I developed a fuel leak in my right
wing tank. Repaired it easy enough (crack across one of the reinforcing
beads along the bottom). Now a year later, I have developed another leak
(also the right tank). Have not jumped into repairing it yet, but here
is the question: Could I have a vent problem that is allowing the tank
to pressurize with summer heat, or as I fly, and cause these cracks? In
the summer, I leave my tank caps lose so pressure does not build up
(still waiting for a hanger, so outside 24/7), so I don't think pressure
is a problem. My tanks appear to vent properly and my Aux tank pumps
into my wing tanks properly, so I don't recognize any other problem other
then frequency tank cracks/leaks.
Are leaks like this common? (1 a year on average) How do I test that my
fuel vent is clear and open? Is there another source of this problem I
don't know about? As always, thanks for whatever insight you can
provide.
Preston Carter
Yak52 N6209F
No virus found in this incoming message.
Checked by AVG Free Date: 7/11/2006
Message 2
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| Subject: | RE: Another Engine Out Landing |
--> Yak-List message posted by: Jill Gernetzke <jill@m-14p.com>
Rich,
Two possibilities spring to mind:
1. A clog in the oil tank vent which would allow oil to back feed into
the oil dilution system. This would require that the oil tank itself
be pressurized far in excess of the fuel pump pressure. This is not
likely.
or
2. The vent on the fuel pump is clogged and the shaft seal on the fuel
pump is sufficiently worn, allowing oil to enter the fuel pump. If
this is the case, we can overhaul your fuel pump. We replace all
gaskets, seals and the diaphragm. The labor is 1 - 2 hours.
Carl Hays
____________________
Jill Gernetzke
M-14P, Incorporated
4905 Flightline Drive
Kingman, AZ 86401 -7417
(928)-681-4400
Fax(928)681-4404
www.m-14p.com
Message 3
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| Subject: | Re: Yak52 fuel tank leaks |
Cliff
I found this stuff by purchasing a Kitfox (small homebuilt airplane) and
found the epoxy used to secure the wood ribs to the front and rear
aluminum spar's originally was a 3M product that worked really well at
bonding to just about anything, when I wanted some more and contacted
them they informed me that they stopped using the 3M product and are
currently using the Loctite product. I then found my closest Loctite
distributor and ordered a quart each of epoxy and hardener. This stuff
gets really hard after curing and bonds to anything, if you could get
inside the tank I would use pro seal that stays a little rubbery after
curing and is made to work with 100LL. I probably didn't have to add the
fiberglass but thought it would help as on my repair I covered the whole
bottom with a thin layer of epoxy and fiberglass cloth (not matt) be
sure that the epoxy wicks up through the fiberglass, and another thin
layer on top of the fiberglass. Remove the tank clean the surface
thoroughly and ruff it up with a wire brush, it sets in about an hour
and takes about 24 hours to cure. If your doing a small job I've seen
Hysol in small tubes at our local auto parts store. Again the product is
Loctite Hysol 9460.
----- Original Message -----
From: Cliff Umscheid
To: yak-list@matronics.com
Sent: Monday, July 17, 2006 4:02 AM
Subject: Re: Yak-List: Yak52 fuel tank leaks
Hi Bill,
I found your post of Sunday, 16 July potentially helpful to my
problem. You wrote"....repaired both with a two part epoxy from Locktite
9460
Hysol and fiberglass cloth...". I'm not familiar with these
materials ( specifically the Locktite 9460 and the two part epoxy} and I
want to repair a fuel seepage leak on the side of a fiberglass tip
tank in my A 36 Bonanza. Would you please print out for me the procedure
you employ to prepare and apply the materials used to make your fix? I
also own and fly a YAK 50 and although this Bonanza thing is a bit off
topic I hope to cure that problem using your method. Thankyou for your
assistance.
Cliff Umscheid
On Sun, 16 Jul 2006 11:16:04 -0400 "the wades"
<wade154@frontiernet.net> writes:
Preston
I've had two leaks from what I would call oil canning cracks and
repaired both with a two part epoxy from loctite 9460 Hysol and
fiberglass cloth and the repairs have held for a couple years now. I
think the reason for my cracks are I do a lot of acro and pull 4-4.5 on
most outings or 0 lbs. at the top of a loop to 312 at the bottom and
straight and level 78 lbs, so I can see why it would oil can. The leaks
that I have repaired were found just after such an outing and in the
center bottom of the tank. My Yak is 1985 vintage it has two straps
holding each fuel tank in place I've seen newer models with three straps
holding the fuel tank in, which would really help stop the oil canning
in the center where my leaks were repaired. Its quite possible that the
older Yaks that were stressed to 5 gs had two straps and when the 7 g
spar mod came out and the boys and girls started pulling 7+ gs the
factory found that another strap solved the problem.
Bill Wade
N4450Y
----- Original Message -----
From: PHCarter@aol.com
To: yak-list@matronics.com
Sent: Saturday, July 15, 2006 8:21 PM
Subject: Yak-List: Yak52 fuel tank leaks
A year ago, flying back from OSH, I developed a fuel leak in my
right wing tank. Repaired it easy enough (crack across one of the
reinforcing beads along the bottom). Now a year later, I have developed
another leak (also the right tank). Have not jumped into repairing it
yet, but here is the question: Could I have a vent problem that is
allowing the tank to pressurize with summer heat, or as I fly, and cause
these cracks? In the summer, I leave my tank caps lose so pressure does
not build up (still waiting for a hanger, so outside 24/7), so I don't
think pressure is a problem. My tanks appear to vent properly and my
Aux tank pumps into my wing tanks properly, so I don't recognize any
other problem other then frequency tank cracks/leaks.
Are leaks like this common? (1 a year on average) How do I test
that my fuel vent is clear and open? Is there another source of this
problem I don't know about? As always, thanks for whatever insight you
can provide.
Preston Carter
Yak52 N6209F
-------------------------------------------------------------------------
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No virus found in this incoming message.
Checked by AVG Free Date: 7/11/2006
-------------------------------------------------------------------------
-----
No virus found in this incoming message.
7/14/2006
Message 4
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| Subject: | New parts delivery. |
--> Yak-List message posted by: "doug sapp" <rvfltd@televar.com>
Gang,
Small order just in from China.
Also, special tire prices for the next two weeks only: One tire WITH TUBE
(either size) $95.00 Dessers price for a 500 X 150 tire is now 115.00 and
tubes are 52.50 each (and they don't fit!).
Part Number Description QTY
1 FL-3 Amplifier 2
3 H2-0310-00 Front sliding canopy assembly 2
4 H2-0320-00 Rear sliding canopy assembly 9
5
6 H2-5510-00 Diverted valve at flap 5
7 H2-6151-100 Fuel consumption tank (no fittings) 1
8 H2-6200-100-3 Hose, oil line, from cooler 1
9 H2-6200-100-5 Hose, oil line, to cooler 1
10 H2-6211-00 Oil tank 6
11 H2-6901-00 Engine cowling (up) assembly 5
12 J9-G1 Propeller (Blades & Hub) 3
13 JH2-6902-00 Engine cowling (Lower) assembly Late style scoop) 3
15 LS-2 Brake wheel 4
16 LS2-13 Brake drum 40
17 LS2-70 Brake pad 500
18
19 QS-1 Pressure reducing valve 14
21 QS2-09A Rubber sleeve 400
22 QS-2B Brake pressure distributor 8
23 QSF-2A Air valve 6
24 XH-7 LG location indicator 1
25 ZLD-4 Landing light reflector 12
26 ZWG-1 CLY. Head temp indicator inst. 4
27 ZWH-1 Carburetor temperature indicator 1
28 400?150 Inner tire 20
29 500?150 Tire Main LG 10
30 Front canopy of JJ-5 1
S-1 500?150 Main tires 30
S-2 Nose tires 10
S-3 Main tanks 10
S-4 Emerg tanks 2
Please contact me off list.
Always Yakin,
Doug Sapp
Message 5
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| Subject: | Yak-52 Hoses for Sale |
I have an almost complete set (less the air start) of Yak-52 Russian
made hoses with 12/04 date and QC paperwork. These include the gear &
brake, oil cooler, fuel, and firewall FWD lines less the air start. In a
fit of being a packrat, I bought 2 sets, one of which is on my bird.
Asking $1300 OBO. Can deliver to OSH.
Jim
James L. Ray, PE
Teledyne Brown Engineering
Systems Engineering
300 Sparkman Dr. MS112
Huntsville, AL 35805
Phone 256-726-3749
Fax 256-726-5126
Mailto:james.ray@tbe.com
Message 6
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| Subject: | Re: New parts delivery. |
--> Yak-List message posted by: "A. Dennis Savarese" <dsavarese@elmore.rr.com>
Hi Doug,
To make your prices look even better, Desser's price for 500-150 tires alone
are $135.00, not $115.00. The tube is $52.95.
Dennis
----- Original Message -----
Sent: Monday, July 17, 2006 1:41 PM
> --> Yak-List message posted by: "doug sapp" <rvfltd@televar.com>
>
> Gang,
> Small order just in from China.
>
> Also, special tire prices for the next two weeks only: One tire WITH TUBE
> (either size) $95.00 Dessers price for a 500 X 150 tire is now 115.00 and
> tubes are 52.50 each (and they don't fit!).
>
> Part Number Description QTY
> 1 FL-3 Amplifier 2
> 3 H2-0310-00 Front sliding canopy assembly 2
> 4 H2-0320-00 Rear sliding canopy assembly 9
> 5
> 6 H2-5510-00 Diverted valve at flap 5
> 7 H2-6151-100 Fuel consumption tank (no fittings) 1
> 8 H2-6200-100-3 Hose, oil line, from cooler 1
> 9 H2-6200-100-5 Hose, oil line, to cooler 1
> 10 H2-6211-00 Oil tank 6
> 11 H2-6901-00 Engine cowling (up) assembly 5
> 12 J9-G1 Propeller (Blades & Hub) 3
> 13 JH2-6902-00 Engine cowling (Lower) assembly Late style scoop) 3
> 15 LS-2 Brake wheel 4
> 16 LS2-13 Brake drum 40
> 17 LS2-70 Brake pad 500
> 18
> 19 QS-1 Pressure reducing valve 14
> 21 QS2-09A Rubber sleeve 400
> 22 QS-2B Brake pressure distributor 8
> 23 QSF-2A Air valve 6
> 24 XH-7 LG location indicator 1
> 25 ZLD-4 Landing light reflector 12
> 26 ZWG-1 CLY. Head temp indicator inst. 4
> 27 ZWH-1 Carburetor temperature indicator 1
> 28 400?150 Inner tire 20
> 29 500?150 Tire Main LG 10
> 30 Front canopy of JJ-5 1
>
> S-1 500?150 Main tires 30
> S-2 Nose tires 10
> S-3 Main tanks 10
> S-4 Emerg tanks 2
>
> Please contact me off list.
>
> Always Yakin,
> Doug Sapp
>
>
>
Message 7
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| Subject: | Rideshare OSH/MTW |
--> Yak-List message posted by: "Girlypilot" <jogggles@yahoo.com>
I am airlining to Chicago on the 23rd. Looking to share a ride to MTW/OSH on the
23rd or 24th via airplane/car/whatever. Any takers? Please call 586-453-7279.
Thanks, ER.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=48065#48065
Message 8
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| Subject: | New parts delivery. |
--> Yak-List message posted by: "doug sapp" <rvfltd@televar.com>
Dennis,
115.00 was what I paid a year ago, but since oil prices are up I am sure the
rubber prices will follow. Shipped almost half of my inventory today.
Price goes up after the 31st (if I have any left). I doubt that I will
ever find them this cheap (in China) again.
Always Yakin,
Doug Sapp
-----Original Message-----
[mailto:owner-yak-list-server@matronics.com]On Behalf Of A. Dennis
Savarese
Sent: Monday, July 17, 2006 2:35 PM
--> Yak-List message posted by: "A. Dennis Savarese"
<dsavarese@elmore.rr.com>
Hi Doug,
To make your prices look even better, Desser's price for 500-150 tires alone
are $135.00, not $115.00. The tube is $52.95.
Dennis
----- Original Message -----
Sent: Monday, July 17, 2006 1:41 PM
> --> Yak-List message posted by: "doug sapp" <rvfltd@televar.com>
>
> Gang,
> Small order just in from China.
>
> Also, special tire prices for the next two weeks only: One tire WITH TUBE
> (either size) $95.00 Dessers price for a 500 X 150 tire is now 115.00 and
> tubes are 52.50 each (and they don't fit!).
>
> Part Number Description QTY
> 1 FL-3 Amplifier 2
> 3 H2-0310-00 Front sliding canopy assembly 2
> 4 H2-0320-00 Rear sliding canopy assembly 9
> 5
> 6 H2-5510-00 Diverted valve at flap 5
> 7 H2-6151-100 Fuel consumption tank (no fittings) 1
> 8 H2-6200-100-3 Hose, oil line, from cooler 1
> 9 H2-6200-100-5 Hose, oil line, to cooler 1
> 10 H2-6211-00 Oil tank 6
> 11 H2-6901-00 Engine cowling (up) assembly 5
> 12 J9-G1 Propeller (Blades & Hub) 3
> 13 JH2-6902-00 Engine cowling (Lower) assembly Late style scoop) 3
> 15 LS-2 Brake wheel 4
> 16 LS2-13 Brake drum 40
> 17 LS2-70 Brake pad 500
> 18
> 19 QS-1 Pressure reducing valve 14
> 21 QS2-09A Rubber sleeve 400
> 22 QS-2B Brake pressure distributor 8
> 23 QSF-2A Air valve 6
> 24 XH-7 LG location indicator 1
> 25 ZLD-4 Landing light reflector 12
> 26 ZWG-1 CLY. Head temp indicator inst. 4
> 27 ZWH-1 Carburetor temperature indicator 1
> 28 400?150 Inner tire 20
> 29 500?150 Tire Main LG 10
> 30 Front canopy of JJ-5 1
>
> S-1 500?150 Main tires 30
> S-2 Nose tires 10
> S-3 Main tanks 10
> S-4 Emerg tanks 2
>
> Please contact me off list.
>
> Always Yakin,
> Doug Sapp
>
>
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