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Topic Options
#193220 - 06/17/14 03:31 AM Tuesday June 17 th
Rusty Rudder Offline
Diamond Pilot

Registered: 02/26/10
Posts: 8411
Loc: Fair Haven New York
Good morning Cessna 172 members ! Turned out to be a warm one yesterday, 86 F and about 85 % relative humidity up until the wind turned out of the north, temperature dropped to about 60 F on account of Lake Ontario's water temp, still very cold...

Same for today, shoooting for 90 F with pop ups.


Today I will de-grease the engine on the back hoe, among other projects...

What are you up to ?



G'Day !
_________________________
Take-off's are optional, landings are manditory


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#193225 - 06/17/14 05:17 AM Re: Tuesday June 17 th [Re: Rusty Rudder]
Willie Offline
Platinum Pilot

Registered: 12/28/10
Posts: 4728
Loc: Ft McMurray Alberta Canada
Good morning all
Overcast here now but should be a nice day in the low 70s
Back to work today
_________________________
Flying is the 2nd greatest thrill known to man
Landing is 1st

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#193233 - 06/17/14 06:34 AM Re: Tuesday June 17 th [Re: Willie]
Don Tedrow Offline
Platinum Pilot

Registered: 07/16/10
Posts: 3659
Loc: Bastrop, TX
Nice to have a "normal" June here in Texas for a change. Temps have been in low 90s for the most part, instead of the low 100s like the last few years. Warm, but livable.

One of my friends had a cylinder head separate on his 182 this past weekend in flight. He made it to an airport 12 miles away without additional trouble, and I spent a half hour chatting with him about it last night. Am headed down to the airport this afternoon to show him my engine monitor installation. Guess that will be his next purchase after paying for a new cylinder. Hoping he's not going to find metal in the oil and filter.

Don't know what it is, but most everyone I know with an O-470 has had cylinder issues the past 5 years.
_________________________
1972 F33A Bonanza


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#193247 - 06/17/14 09:43 AM Re: Tuesday June 17 th [Re: Don Tedrow]
JD Casteel Offline
Gold Pilot

Registered: 01/31/11
Posts: 1295
Loc: New Braunfels, Texas
Good morning. It is a little overcast in Kerrville but feels great.

I have to take my state insurance exam tomorrow...we shall see how that goes. As soon as that's done I can hit the road visiting airports, flight schools, maintenance shops, manufactures....I'm excited!

Hope y'all have a great day!

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#193287 - 06/17/14 04:33 PM Re: Tuesday June 17 th [Re: JD Casteel]
Glenn Darr Offline
Club Sponsor
Gold Pilot

Registered: 03/01/10
Posts: 1708
Loc: Arizona
I took a couple of folks on a 1 hour flight this morning. They really enjoyed it and that is what I like about flying. Mornings in Tucson have been pretty calm with the wind getting up by noon. Temperatures are about 100 each day. Monsoon season is just around the corner, so we have a lot of white puffy clouds in the area.
_________________________
Glenn
1969 172K
KAVQ

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#193288 - 06/17/14 04:38 PM Re: Tuesday June 17 th [Re: JD Casteel]
Luvrv8 Offline
Gold Pilot

Registered: 03/12/10
Posts: 1024
Loc: Camarillo, Ca
Woke up and thought I would fly my 172 today. I have not flown it in 4 months. I pre flight it, all looked good. I was hoping the battery would be ok, she fired up great. Taxied to the run up and thought she was running smooth. Did the run up, 50-60 RPM drop per side, everything checked perfect. Got a clearance and I took the runway, power in, max RPM looked good, rotate and I was off.............til 50 foot, the wind mill stopped. Looked at the key, it was on, fuel was both so I knew I was landing. Speed at 70 MPH, you won't believe how many thoughts go through your head in under 10 seconds. I decided no flaps, keep at 70 and hold the nose up all I could. I was able to coast off the runway, glad I was at a 6000 foot runway. Got towed in, looked around and did some checking, I am looking at a new carb.
_________________________
1967 172H 2641L. It isn't much but it's paid for and all mine.

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#193290 - 06/17/14 04:41 PM Re: Tuesday June 17 th [Re: Luvrv8]
Joe K Offline
Bronze Pilot

Registered: 03/18/11
Posts: 553
Loc: Maine
Glad you're OK.

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#193314 - 06/17/14 07:27 PM Re: Tuesday June 17 th [Re: Joe K]
Fischer Offline
Bronze Pilot

Registered: 04/26/11
Posts: 648
Loc: Georgia
Luvr8: WOW! What an experience and story. This should deserve its own thread to elaborate. Perfect reason to support why I taxi to the way back and use every inch of runway EVERY time. Great save!

Bob
_________________________
'74 172M-SOLD
'76 182P-SOLD
'07 Flight Design CTSW

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#193315 - 06/17/14 07:39 PM Re: Tuesday June 17 th [Re: Fischer]
Luvrv8 Offline
Gold Pilot

Registered: 03/12/10
Posts: 1024
Loc: Camarillo, Ca
I was lucky, I had a 6000 ft runway and I was not at 200 feet.
_________________________
1967 172H 2641L. It isn't much but it's paid for and all mine.

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#193319 - 06/17/14 08:02 PM Re: Tuesday June 17 th [Re: Luvrv8]
Dave W Online   happy
Bronze Pilot

Registered: 03/23/14
Posts: 535
Loc: Northern Virginia
Yikes, not your average cup of Joe story. More like double shot of bourbon.
Glad all is well.
Dave

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#193322 - 06/17/14 08:10 PM Re: Tuesday June 17 th [Re: Dave W]
Newpilotoldplane Offline
Bronze Pilot

Registered: 05/02/14
Posts: 582
Loc: Michigan
Glad that story ended well , nice job luvrv8 getting it down safely !
_________________________
F=MA

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#193327 - 06/17/14 08:53 PM Re: Tuesday June 17 th [Re: Luvrv8]
Willie Offline
Platinum Pilot

Registered: 12/28/10
Posts: 4728
Loc: Ft McMurray Alberta Canada
Originally Posted By: Luvrv8
I was lucky, I had a 6000 ft runway and I was not at 200 feet.


Glad everything worked out
_________________________
Flying is the 2nd greatest thrill known to man
Landing is 1st

Top
#193373 - 06/17/14 09:12 PM Re: Tuesday June 17 th [Re: Willie]
Shuswap Offline
Gold Pilot

Registered: 09/19/10
Posts: 1304
Loc: British Columbia
Love a Happy Ending, sounds like you handled it pretty well.

So.....what happened? You know that enquiring minds must know....

You mentioned the carb, how could that sudden stoppage have come about?
_________________________
1969 172K 160HP Ram

"Try to stay in the middle of the air. Do not go near the edges of it. The edges of the air can be recognized by the appearance of ground, buildings, sea, and trees. It is much more difficult to fly there."

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#193426 - 06/17/14 09:45 PM Re: Tuesday June 17 th [Re: Shuswap]
Luvrv8 Offline
Gold Pilot

Registered: 03/12/10
Posts: 1024
Loc: Camarillo, Ca
We checked the flow of fuel by removing the float bowl drain plug, it was fine. That took care of fuel delivery issues. The primer was checked and it was not sucking air. Looked at the inlet screen and it was clean too. Working theory is during the annual 4 months ago all fuel lines were replaced, the plane sat there for 2 or 3 weeks while I was doing other things. We pressurized the intake, no leaks. We think something dried out and possibly flaked off on the carb and blocking the jets. This carb was last rebuilt 15 years ago and close to a 1000 hours. With the checking we did it points to the carb and after the amount of time on ot it is worth it to me to send out and get rebuilt if they can, if not buy a new one. The shop we use has a flow bench, he can check it first. Power went from full take off RPM to a drop, I looked at the fuel selector then the key, RPM was down to wind milling and it got real quiet. Also I will add we did get it running but it was rough, we did check mag timing and a few other things too.


Edited by Luvrv8 (06/17/14 09:47 PM)
_________________________
1967 172H 2641L. It isn't much but it's paid for and all mine.

Top
#193429 - 06/17/14 10:11 PM Re: Tuesday June 17 th [Re: Luvrv8]
Shuswap Offline
Gold Pilot

Registered: 09/19/10
Posts: 1304
Loc: British Columbia
Seems that it would take something fairly drastic with fuel supply to cause that power loss.

Will the carb be dissassembled by your mech for diagnostic inspection?

Fuel selector can also interrupt/stop flow if the selector cam is worn or installed incorrectly, allowing the plunger to close.

When the carb is off you might want to let the fuel hose to the carb fast-drain/run for long enough that it would fill a jerry can, which would flow test quite a bit of the system.
_________________________
1969 172K 160HP Ram

"Try to stay in the middle of the air. Do not go near the edges of it. The edges of the air can be recognized by the appearance of ground, buildings, sea, and trees. It is much more difficult to fly there."

Top
#193433 - 06/17/14 10:32 PM Re: Tuesday June 17 th [Re: Shuswap]
Luvrv8 Offline
Gold Pilot

Registered: 03/12/10
Posts: 1024
Loc: Camarillo, Ca
We let at least a couple gallons flow already. With the testing done we are certain it's not a fuel flow issue. A shop we have used for many years will do the carb tear down after the flow bench test, they specialize is carbs and engines. As far as the mechanic, that would be me. I work at a repair facility here at KCMA.


Edited by Luvrv8 (06/17/14 10:48 PM)
_________________________
1967 172H 2641L. It isn't much but it's paid for and all mine.

Top
#193445 - 06/18/14 04:47 AM Re: Tuesday June 17 th [Re: Luvrv8]
Rusty Rudder Offline
Diamond Pilot

Registered: 02/26/10
Posts: 8411
Loc: Fair Haven New York
Glad it all worked out for you !
_________________________
Take-off's are optional, landings are manditory


Top
#193484 - 06/18/14 11:49 AM Re: Tuesday June 17 th [Re: Rusty Rudder]
Shuswap Offline
Gold Pilot

Registered: 09/19/10
Posts: 1304
Loc: British Columbia
There are service bulletins from Marvel Schebler:
http://msacarbs.com/Service_Bulletins.html

I spent quite a bit of time pouring over these and anything else I could find when my float valve was sticking open and flooding.

Eventually, unable to determine with any certainty what the issue was, we bought a brand new carb and let the factory have the core. I have some experience with a variety of carbs and this simple issue baffled me, so BRAND NEW, installed by the mech and logged as such was the only REAL choice for me.
_________________________
1969 172K 160HP Ram

"Try to stay in the middle of the air. Do not go near the edges of it. The edges of the air can be recognized by the appearance of ground, buildings, sea, and trees. It is much more difficult to fly there."

Top
#193503 - 06/18/14 06:18 PM Re: Tuesday June 17 th [Re: Shuswap]
Luvrv8 Offline
Gold Pilot

Registered: 03/12/10
Posts: 1024
Loc: Camarillo, Ca
The problem was found today, the carb was sent off to a company in Jupiter Fl to have it rebuilt. Looking at the logs there is only one SB that was not done to this carb and will be done when rebuilt.
_________________________
1967 172H 2641L. It isn't much but it's paid for and all mine.

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#193504 - 06/18/14 06:26 PM Re: Tuesday June 17 th [Re: Luvrv8]
Desert Hawk Offline
Silver Pilot

Registered: 06/30/13
Posts: 919
Loc: Phoenix, Arizona
So what was the exact problem?
_________________________
karl
1975 C172M-180

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#193529 - 06/18/14 09:15 PM Re: Tuesday June 17 th [Re: Desert Hawk]
Luvrv8 Offline
Gold Pilot

Registered: 03/12/10
Posts: 1024
Loc: Camarillo, Ca
Dried out pieces of gasket in the jet acting like a flapper valve when it wanted to.


Edited by Luvrv8 (06/18/14 09:20 PM)
Edit Reason: Typing with twins on my lap.
_________________________
1967 172H 2641L. It isn't much but it's paid for and all mine.

Top
#193532 - 06/18/14 09:37 PM Re: Tuesday June 17 th [Re: Luvrv8]
Shuswap Offline
Gold Pilot

Registered: 09/19/10
Posts: 1304
Loc: British Columbia
I think twins on your lap is a good reason for editing!

It's odd that some gasket material could break off, there isn't that much of it sticking out and vulnerable.
I guess you know how fortunate this has been, to discover it as you did, with no harm or injury. Good idea, going for the full overhaul.

Thanks for sharing, this will just make me all the more vigilant.
_________________________
1969 172K 160HP Ram

"Try to stay in the middle of the air. Do not go near the edges of it. The edges of the air can be recognized by the appearance of ground, buildings, sea, and trees. It is much more difficult to fly there."

Top
#193535 - 06/18/14 10:02 PM Re: Tuesday June 17 th [Re: Shuswap]
Luvrv8 Offline
Gold Pilot

Registered: 03/12/10
Posts: 1024
Loc: Camarillo, Ca
As soon as it happened my boss the IA and another IA both know exactly what happened. The carb being dry for a couple weeks while I was working on it and replacing the hoses coupled with a old rebuild many many years ago was a problem waiting to happen. I am not the first one they have seen this happen to. There was no question in my mind as I was coasting that my carb was going in for a rebuild no matter what. If anyone wants to know, most of the shops in Southern Ca use avstar for problem fuel systems.

http://www.avstardirect.com


Edited by Luvrv8 (06/18/14 10:04 PM)
_________________________
1967 172H 2641L. It isn't much but it's paid for and all mine.

Top


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