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| Number of Thorps registered http://t18.net/thorpforum/viewtopic.php?f=27&t=8487 |
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| Author: | James Grahn [ Fri Jun 05, 2020 12:25 am ] |
| Post subject: | Number of Thorps registered |
Did anyone notice the article in the June Kitplanes by Ron Wanttaja about homebuilt numbers? The bottom line number of Thorps they have listed in the US is 238 as of last year. I thought Lee had more than that. Cubes |
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| Author: | fytrplt [ Fri Jun 05, 2020 2:14 am ] |
| Post subject: | Re: Number of Thorps registered |
Could be that many, such as mine, are registered by the builder's name and not as Thorps or Sunderlands. |
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| Author: | Jeff J [ Fri Jun 05, 2020 8:24 am ] |
| Post subject: | Re: Number of Thorps registered |
Looking at the registry, there are maybe 52 Thorps listed and I am sure not all of those count so someone did some digging to get 238. Looking for ”Sunderland” only revealed one. |
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| Author: | leewwalton [ Fri Jun 05, 2020 8:57 am ] |
| Post subject: | Re: Number of Thorps registered |
I just checked the latest registry .. 400+ Thorps in the US (some of which are Sky Scooters so subtract whatever % you think that may be), that does not include those that are registered as something else ... (ex: Doe T-18, Sunderland S-18, Sunderland T-18 ...) |
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| Author: | Jeff J [ Fri Jun 05, 2020 11:21 am ] |
| Post subject: | Re: Number of Thorps registered |
Lee, what did you use as a search criteria? I just tried “T-18” and got over 400 hits but several on the first page didn’t apply (gliders, Lockheed AT-18, balloons...). |
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| Author: | leewwalton [ Fri Jun 05, 2020 11:33 am ] |
| Post subject: | Re: Number of Thorps registered |
T-18 alone is not reliable ... people can call they're own creation whatever the want (ex: Don Doubleday's 'TS-18CW') I loaded the FAA aircraft registry into a local relational database then ran SQL queries with any variation of 'Thorp', 'Thorpe', 'Sunderland', 'S-18','T-18','S-1%','T-%' then visually scanned the results and eliminated anything that was obviously not actually a T-18 or variant of. |
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| Author: | James Grahn [ Fri Jun 05, 2020 1:19 pm ] |
| Post subject: | Re: Number of Thorps registered |
Sounds like your method will be the most accurate, Lee. I imagine it is not possible to find out world wide numbers. That article got me thinking about number completed versus number of plan sets issued. Cubes |
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| Author: | fulcrumflyer [ Fri Jun 05, 2020 3:08 pm ] |
| Post subject: | Re: Number of Thorps registered |
565 "Thorps" listed on this page: https://www.airport-data.com/manuf/Thorp.html. 37 Are listed as T-211s, 14 are listed as S-18s and the rest are T-18s. Spanky |
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| Author: | TonyNZ [ Sat Jun 06, 2020 4:41 am ] |
| Post subject: | Re: Number of Thorps registered |
Cubes If you are looking to fill the world wide list of Thorp's here are the current New Zealand Thorps:- ZK-MBY S18T (flying) ZK-VMS T18C (flying) ZK-TOP T18CW (flying) ZK-ROD T18 (stored) ZK-EDF T18 (flying) The following destroyed ZK-KID T18 ZK-WMT S18 If you are looking at the Aussie scene then John Groth (Grothy) was running a spread sheet which I think also included the NZ aircraft. Cheers Tony Schischka ZK-VMS T18C (#867) |
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