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Old 11-14-2017, 02:25 PM   #1
jetsareforkids
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Default Mystery biplane

Ok guys, what kind of airplane is this? The picture is hanging on the wall of the Oakland aviation museum.


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Old 11-14-2017, 05:05 PM   #2
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Looks to be some kind of flight test kludge. Look at the tip end plates, the pitot on a boom...


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Old 11-14-2017, 06:12 PM   #3
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Maybe some type of ag plane?
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Old 11-14-2017, 06:22 PM   #4
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Luke Skywalker's great great great great great great great great great great great great great great great great grandfather's X-wing fighter. Prototype.
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Old 11-14-2017, 06:36 PM   #5
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Wingtip plates makes me think postwar. Probably agplane, maybe they were trying to take the record for worst possible visibility from an airplane?
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Old 11-14-2017, 06:45 PM   #6
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Definitely post war, as the company didn't exist until 1952. It was owned by Transocean Air Lines.
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Old 11-14-2017, 09:55 PM   #7
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Reminds me of something I've seen before, like maybe a prewar eastern European fighter, something from PZL maybe?
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Old 11-15-2017, 03:59 AM   #8
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I would contact http://www.taloa.org/index.html Although airplane parts were made there, I think it was Transocean's maintenance base. The Grumman, and DC parts were Trans aircraft. They flew some funky airplanes for an airline. I have seen the picture somewhere else too. Probably a side project using the maintenance crew to build it.
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Old 11-15-2017, 05:41 AM   #9
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Quote:
Originally Posted by TFF1 View Post
I would contact http://www.taloa.org/index.html Although airplane parts were made there, I think it was Transocean's maintenance base. The Grumman, and DC parts were Trans aircraft. They flew some funky airplanes for an airline. I have seen the picture somewhere else too. Probably a side project using the maintenance crew to build it.
Or it's some sort of movie prop, or training airframe...or even an outright joke.

Note the way the outer wing struts attach....to the OUTSIDE of the end plates. Notice that the lower front attachment is high on the wing thickness...you'd think it'd be closer to the centerline of the spar.

The vertical fin an rudder look blocky and thin, like they're just cutout pieces of plywood...especially the dorsal fin.

The prop blades look really skinny, and the cowling comes awful close to them. Very flat pitch, too...I realize it looks like an adjustable prop, why would it be set with such an incredibly low pitch?

Finally...why? Why such an aggressive gull wing? A straight wing with some tall cabanes probably would have worked as well.

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Old 11-15-2017, 03:14 PM   #10
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I hadn't thought about a movie prop, that would make sense for the odd struts. It was in California, so that would also make it more likely.
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Old 11-15-2017, 05:01 PM   #11
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Maybe? Show me the movie.
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Old 11-15-2017, 08:11 PM   #12
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LAMSON AIR-TRACTOR
http://flightaware.com/resources/registration/N31237
Jets,
We will be in Houston next week to collect our prize!
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Old 11-15-2017, 09:06 PM   #13
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You deserve one for that needle in a haystack.
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Old 11-15-2017, 11:45 PM   #14
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https://en.wikipedia.org/wiki/Lamson_Air_Tractor

https://www.google.com/search?q=LAMS...hrome&ie=UTF-8
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Old 11-15-2017, 11:52 PM   #15
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Looks like it could just ''ugly'' the bugs to death.
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Old 11-16-2017, 12:28 AM   #16
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indeed. but check out the
direct forward vis. Perhaps that was the reason for the gull top wing?
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Old 11-16-2017, 01:35 AM   #17
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Well, looks like I was wrong. But they DID beat that airplane with an ugly stick.....

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Old 11-16-2017, 02:55 AM   #18
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The 2nd one was, how should we say, slightly less unrefined....Wikipedia says the airplane was bought by Grumman and used in the development of the AG Cat, but haven't seen that substantiated anywhere else.
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Old 11-16-2017, 03:00 AM   #19
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Quote:
Originally Posted by Dennis Flamini View Post
LAMSON AIR-TRACTOR
http://flightaware.com/resources/registration/N31237
Jets,
We will be in Houston next week to collect our prize!
Come on down, beers on me at the hangar. Well done, always cool to find a new type of biplane. Now the question is what happened to it?
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Old 11-16-2017, 03:18 AM   #20
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after a few speed mods, it went to Reno
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Old 11-16-2017, 03:58 AM   #21
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Lololol!:d
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Old 11-16-2017, 06:02 AM   #22
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Quote:
Originally Posted by jetsareforkids View Post
Come on down, beers on me at the hangar. Well done, always cool to find a new type of biplane. Now the question is what happened to it?
From Wiki,

In 1953 Central Aircraft, a crop-spraying company based at Yakima, Washington, went into collaboration with the Lamson Aircraft Company, whose President and designer, Robert L. Lamson was a former test pilot for Boeing, setting up a joint venture, the Central-Lamson Corporation, to design and build a specialized agricultural aircraft, the Air Tractor, one of the first purpose-built aircraft for this role.[1][2][3][a] The first prototype Air Tractor, registration N-31237, made its maiden flight on December 10, 1953.[3] It was a single-engined, single-seat biplane of mixed wood and metal construction, with a gulled upper wing to give improved visibility for the pilot, who sat in an open cockpit aft of the trailing edge of the wings. The fuselage was of steel-tube construction, with the structure aft of the pilot's cockpit left uncovered for ease of maintenance. The wings were of fabric-covered wood structure, with all four main wing panels interchangeable, and with fuel tanks installed in the upper wing roots. Large endplates were fitted to the wingtips to give greater lift and better distribution of chemicals. The aircraft was fitted with a fixed tailwheel undercarriage, and was powered by a single Pratt & Whitney Wasp Junior radial engine.[1]
The second Air Tractor, to production standards, flew on December 18, 1954.[3] It had a number of differences from the first prototype, with the rear fuselage fully enclosed and the fuel tanks moved from the wing roots to inside the fuselage, while the engine was enclosed by a cowling.[5] Four more Air Tractors were under construction work but the project was stopped late in 1955.[6] However the design was purchased by Grumman and was later developed into the successful Grumman Ag-Cat.[7]

I suspect that ended the story?

Pretty cool.

Jack
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Old 11-16-2017, 06:04 AM   #23
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Quote:
Originally Posted by biplanebob View Post
after a few speed mods, it went to Reno
I saw Sorceress race at Reno in 1969. He didn't qualify, so they made him fly wide to the outside, and take last place no matter where he actually came in. He nearly lapped the entire field TWICE!

Danny


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