RE: Pictures needed !!! Please post pictures of any OS liner peeling here !!!

RE: Pictures needed !!! Please post pictures of any OS liner peeling here !!!
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RE: Pictures needed !!! Please post pictures of any ... - 1/18/2007 3:52:36 PM

buzzingb

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Joined: 9/4/2002
From: Bruce, MS, USA
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Ok, lets say that OS has corrected the liner issue. How many gallons can you put through these OS engines before failure are wearing one out? 30 gallons, 50, 100, more??. Does anyone here run this much fuel through an engine? Those are the kind of numbers that I look at, not a measely 10 or 15 gallons.

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Post #: 51

RE: Pictures needed !!! Please post pictures of any ... - 1/18/2007 4:36:13 PM

PlaneKrazee

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From: Westerly, RI, USA
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I have over 10 cases (40) gallons thru a OS 160FX. (Actually 42 hours of flight of 12 to 15 minute flights on a 20 oz tank, you do the math). Original ring but it needs a rear bearing. This was with Byron synth/castor blend from 5% nitro to 15% nitro and 16 to 20% oil. No problems. The cylinder is nickel plated steel.

Dar,

When did the fp go out of production? The 80's or 90's?

< Message edited by Skypilot_one -- 1/18/2007 4:43:25 PM >

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Post #: 52

RE: Pictures needed !!! Please post pictures of any ... - 1/18/2007 4:41:36 PM

PlaneKrazee

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Buzz,

How many hours of flying do you think you would put on one .45 engine to burn 20 gallons of fuel? I know it takes me seven to eight 12 to 15 minute flights to use a gallon in the 1.60.

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Post #: 53

RE: Pictures needed !!! Please post pictures of any ... - 1/18/2007 5:07:20 PM

Daryl Martel

Posts: 595
Joined: 2/10/2002
From: WinnipegManitoba, CANADA
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Sigrun - you must be letting emotion influence your reality - close to 100% of O.S. ABN liner'ed engines at your field at that time peel their liners! How many did you have there - one, or two! These engines went all over the world and have been and continue to be widely used. You can't tell me you saw a whole bunch of them have the plating fail. If you did, you have an issue unique to your field, i.e. engines exposed to/inhaling an abrasive dirt, excessive temperatures, using a low oil content fuel, over-propping, a few too many lean runs, etc. When there's a trend that sticks out way beyond what other people are experiencing there's a reason why. Don't get me wrong here, I'm not saying that you guys don't know what you are doing, but if you truly did see a bunch of engines fail, and it's not what everyone else experienced, there's got to be a reason.

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Post #: 54

RE: Pictures needed !!! Please post pictures of any ... - 1/18/2007 5:45:52 PM

DarZeelon

Posts: 7104
Joined: 4/9/2003
From: Rosh-Ha'Ayin, ISRAEL
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quote:

ORIGINAL: Skypilot_one

When did the fp go out of production? The 80's or 90's?

My FP was purchased in 1992 and the .40LA first appeared in 1996.

The OS1.60FX liner is still not defined as to its materials, I am afraid...

Bill Baxter (Bax) says it is steel (non-plated), you wrote nickel-plated steel, the Tower web page says nickel-plated brass...

I know Bax's employer is closely affiliated with Tower Hobbies...

Will someone tell the true story here??? ...And fix that Tower web site...

The 1.60FX is not related to the subject of this thread, since it asks about peeling ring-less engines by OS...

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Post #: 55

RE: Pictures needed !!! Please post pictures of any ... - 1/18/2007 7:23:14 PM

w8ye

Posts: 17491
Joined: 12/11/2001
From: Taylortown, OH, USA
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The 2 stroke 160 is Steel construction liner and ring with an Aluminum piston

I'm just trying to remember but I was thinking 1999 was the last year for all the FP's??

For a while they had the LA's and the FP w/remote needle valve at the same time.

All the LA's didn't come out at the same time. The blue LA40 came out in 96 but the silver one came out in 97 and then the other's followed.

The FP's went trough some evolutions of their own. I had a iron piston FP 35 for several years.

< Message edited by w8ye -- 1/18/2007 7:27:00 PM >

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Post #: 56

RE: Pictures needed !!! Please post pictures of any ... - 1/19/2007 12:58:30 AM

boomerik

Posts: 79
Joined: 3/27/2005
From: wijngaarden, NETHERLANDS
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I don`t know when the whole peeling liner thing started but i don`t think they have solved it yet because my one year old fx 61 also peeled it`s liner about 2-3 months ago as well as a fx 25 those where the only os engines i have owned they where the first os abc engines i`ve owned and also the last os engines i will own.I will never buy one again.
Just bought 3 mvvs engines one gas 1.60 a glow .61 and a glow .40 Quikie and i think they are a lot better and are defenatly cheaper then an os engine

Grtz Erik

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Post #: 57

RE: Pictures needed !!! Please post pictures of any... - 1/19/2007 1:07:27 AM

buzzingb

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From: Bruce, MS, USA
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Skypilot, thanks for the report as this lets everyone know that you have some fuel through that 160 and we hope you get that much more. I put 30 gallons through a 46FX before the liner peeled and I must say I was well pleased with it as I was real hard on the engine. Lets face it though if the cylinder is iron there isn't anything there to peel and probally will preform better. I recently bought a Super Tiger 51 because it has an iron liner and you can buy two of them for the price of one OS55, in fact I did buy two. with the $10 rebate at the time it puts the price at $69. Now I must say that I might buy an OS in the future but, but not at todays prices.

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Post #: 58

RE: Pictures needed !!! Please post pictures of any... - 1/19/2007 3:23:52 AM

PlaneKrazee

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From: Westerly, RI, USA
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I have a second OS 160 I bought from a guy that smoked the engine and scored the cylinder. It is plated as is the cylinder in my first one, I've had them both apart. I cleaned up the wall, left the scratch, cleaned the piston up and installed a new ring. It runs fine even with the score in it. And there is no peeling.

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Post #: 59

RE: Pictures needed !!! Please post pictures of any... - 1/20/2007 8:06:33 AM

hardtop351

Posts: 259
Joined: 12/28/2005
From: rockhampton, AUSTRALIA
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i have a question for you all...how do you know if its nickel or chrome?? ive spent may years around machinery with hydraulic rams and the like. ive seen chrome peel off a ram rod many many times and the photos posted so far look very much like what happens when chrome peels.

this problem is a relatively new one here in australia that i know of. and for the number of OS engines i have seen ive never seen one peel yet. i dont think its a case of "cheap nickel"...more a case of a VERY thin layer.

yes i agree that its a problem and yes someone is trying to get a solution to the problem. my advice is to make as much noise about it as possible.......on then will the big corporations listen to the little guy in the street.

keep it going fellas.

cheers
craig

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Post #: 60

RE: Pictures needed !!! Please post pictures of any... - 1/20/2007 9:00:14 AM

MikeL

Posts: 2368
Joined: 3/8/2002
From: Bloomington, MN, USA
Status: online

quote:

ORIGINAL: hardtop351
yes i agree that its a problem and yes someone is trying to get a solution to the problem. my advice is to make as much noise about it as possible.......on then will the big corporations listen to the little guy in the street.

Do you still advocate that if the problem has been fixed? What's the point, beyond spreading some FUD?

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Post #: 61

RE: Pictures needed !!! Please post pictures of any ... - 1/20/2007 11:18:08 AM

proptop

Posts: 4508
Joined: 10/18/2002
From: Rome, NY, USA
Status: online

quote:

ORIGINAL: boomerik

I don`t know when the whole peeling liner thing started but i don`t think they have solved it yet because my one year old fx 61 also peeled it`s liner about 2-3 months ago as well as a fx 25 those where the only os engines i have owned they where the first os abc engines i`ve owned and also the last os engines i will own.I will never buy one again.
Just bought 3 mvvs engines one gas 1.60 a glow .61 and a glow .40 Quikie and i think they are a lot better and are defenatly cheaper then an os engine

Grtz Erik

I don't know about "fixed" Mike?
I have a newer .46FX that's starting to do it...a friend had his (little over a ) year old .32SX do it...

Let me ask ya all a "hypothetical" question that's been rolling 'round in my mind for a while..
Do you think that using cheap bearings has anything to do with it? O.S. has been using cheap bearings for some time now...
The cheap bearings rust quickly and easily...correct? At least that's what I have noticed, if one forgets or otherwise neglects to run the engine dry or use ARO. (and sometimes even if you do run it dry and use ARO )

Point of above statement: Rust from said bearing(s ) flushes loose and goes up into cylinder...causes scratches and other damage to the thin Nickle plating...peeling ensues??? (just a "hypothetical" question ya know!?)

I think it could (at least ) be a contributing factor?

< Message edited by proptop -- 1/20/2007 11:27:39 AM >

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Post #: 62

RE: Pictures needed !!! Please post pictures of any... - 1/20/2007 11:33:57 AM

asmund

Posts: 1908
Joined: 11/20/2005
From: Floroe, NORWAY
Status: offline

E-mail Mythbusters about this and get Jamie and Adam to do an experiment on it

Confirmed? Plausible or not? They sure will come up with the answer

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Post #: 63

RE: Pictures needed !!! Please post pictures of any... - 1/21/2007 12:20:55 AM

PlaneKrazee

Posts: 3541
Joined: 5/15/2002
From: Westerly, RI, USA
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Proptop,

You say a newer engine. It doesn't matter when you bought it, it matters when it was made. But when and where did you buy it?

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