Appleseed
Appleseed MegaDork
11/26/20 4:59 p.m.

I found and auction selling a couple of Lycoming O-360s, for dirt cheap. No paperwork, no logs. From a school, so I imagine it's been indoors most of its life. Has factory rebuilt tags. I imagine no logs relegates to experimental status, but still, RV-8s need hearts.

Any idea the value on one of these lumps? Barnstormers has an O-290 without logs, in worse condition, for $800.

aircooled
aircooled MegaDork
11/26/20 5:21 p.m.

If nothing else, if it's in decent condition, the parts could be worth a lot.  I don't know good numbers, but a rebuilt jug (head + cylinder) for one of those has to be $1500 ish.  As I remember, that is what my sister paid to rebuild a jug on her Continental.

The pic is not a Lycoming 0-360 BTW, they are 4 cylinders.  There are 6 cylinders in that size range, but they are Continentals.  Weird exhaust, oil cooler orientation, dip stick, and lack of propellor shaft / bearing.  Maybe a helicopter motor?

ShawnG
ShawnG UltimaDork
11/26/20 5:23 p.m.

Every single part of that would have to be re-certified.

It's a pumpkin.

Appleseed
Appleseed MegaDork
11/26/20 5:27 p.m.

Reading comprehension fail. Continental O-360. 

Appleseed
Appleseed MegaDork
11/26/20 5:58 p.m.

Engines without logbooks can be used in experimental aircraft. But once tagged as experimental,  they can never be used in a certified aircraft. Ever. Aside from C-65, C-90, and O-200, no one uses a Continental on purpose. It's a lump, like Shawn said.  

This is why I ask the hive first.

matthewmcl (Forum Supporter)
matthewmcl (Forum Supporter) Reader
11/26/20 6:44 p.m.
ShawnG said:

Every single part of that would have to be re-certified.

It's a pumpkin.

Or an airboat motor.

03Panther
03Panther Dork
11/26/20 8:09 p.m.
matthewmcl (Forum Supporter) said:

Or an airboat motor.

That was my thought as well. Do they still use them on airboats? The hobby has changed a lot since the 60’s and 70’s. 

ShawnG
ShawnG UltimaDork
11/26/20 9:01 p.m.

Here's the thing.

It has the same problem that the Ferrari 400I has.

It uses the same parts as the version that people actually want.

Therefore, when you decide to fix it, you're paying airplane part prices for parts in your worn out airboat engine

gearheadmb
gearheadmb SuperDork
11/26/20 9:32 p.m.

You said it's from a school. When I went to tech school (for cars) stuff like that was tore apart to look at the insides then slapped back together in the quickest and easiest  way possible. And it may have become a school demonstrator because there is something way wrong with it. What I'm getting at is I wouldn't be willing to get off the ground with a school engine. If you built something cool that rolls that's another story....

Mr_Asa
Mr_Asa SuperDork
11/26/20 10:26 p.m.

In reply to 03Panther :

I saw one with a six cyl air cooled opposed motor like that this spring on the way to Tallahassee.  Too big to be a Porsche or some form of modified VW.

RX Reven'
RX Reven' GRM+ Memberand SuperDork
11/26/20 10:29 p.m.

In reply to gearheadmb :

Agreed.

Reminds me of the cadaver we had in anatomy class...that dude had been taken apart and put back together so many times that just giggling the table resulted in what looked like the losing round of a Jenga game.  

slefain
slefain PowerDork
11/27/20 9:07 a.m.

What if it goes in a car?

Appleseed
Appleseed MegaDork
11/27/20 11:23 a.m.

In reply to slefain :

Sure. The alley behind your house has no sanctioning body. 

03Panther
03Panther Dork
11/27/20 11:44 a.m.
slefain said:

What if it goes in a car?

That looks like it belongs there! Way cool. 

ShawnG
ShawnG UltimaDork
11/27/20 12:20 p.m.

TBH, aircraft engines are probably awful in any automotive application.

They're large cubes, big bore, slow turning engines. They're designed to be run at around 3000rpm max and the throttle response is not exactly quick.

They're efficient in a very narrow rpm range and they're built to be put in that optimal rpm setting and left there for hours at a time.

Pretty much the exact opposite of what you want in a motorcycle or car.

chandler
chandler UltimaDork
11/27/20 12:33 p.m.
ShawnG said:

Here's the thing.

It has the same problem that the Ferrari 400I has.

It uses the same parts as the version that people actually want.

Therefore, when you decide to fix it, you're paying airplane part prices for parts in your worn out airboat engine

Funny that 400i have finally become valuable, I bought mine off eBay in 01 for 9k and resold it on eBay a year later for 9k. 

ShawnG
ShawnG UltimaDork
11/27/20 2:55 p.m.

In reply to chandler :

It's 9/10ths of what the rest of them are for 1/4 the money.

Appleseed
Appleseed MegaDork
11/27/20 3:25 p.m.
ShawnG said:

TBH, aircraft engines are probably awful in any automotive application.

They're large cubes, big bore, slow turning engines. They're designed to be run at around 3000rpm max and the throttle response is not exactly quick.

They're efficient in a very narrow rpm range and they're built to be put in that optimal rpm setting and left there for hours at a time.

Pretty much the exact opposite of what you want in a motorcycle or car.

Which is exactly why why auto engine conversions for aircraft are often more trouble than they are worth. 

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