Talk:Schweizer SGS 2-33

Userbox
Any other editors who have soloed the 2-33 can put this box on their user page, if they so desire. - Ahunt (talk) 17:38, 1 June 2008 (UTC)

It's a 2-33A not a 2-33
I am pretty sure that the picture at the bottom of the document that insists it is a 2-33, and not a 2-33A, is wrong. What's the easiest difference? Notice at the top of the rudder, you can see that there is a protruding part of metal ahead of the hinge.

Notice this picture, look at the tail:  (2-33A) http://www.flickr.com/photos/runway27r/811965094/ (FAA registry: http://registry.faa.gov/aircraftinquiry/nnumsql.asp?NNumbertxt=2934H )

I'm having a hard time finding a picture of a 2-33 without the "A". I've seen this glider up close, and verify that the tail is an authentic 2-33 (not A) tail. But their website has a poor quality picture, so I can't exactly prove my point. I've asked the webmaster for a better picture.

http://registry.faa.gov/aircraftinquiry/nnumsql.asp?NNumbertxt=2454W --Pietbarber (talk) 00:22, 2 February 2009 (UTC)

Well, according to the Canadian Aircraft registry http://www.tc.gc.ca/aviation/activepages/ccarcs/aspscripts/en/notice.asp, it's a 2-33, not a 2-33A; but still.... the date it was built and the serial number are too young to make it a 2-33, and not a 2-33A.. Also the spring-loaded tailwheel was a feature that didn't come along until later. Is there any way you could take a picture of the metal plate in the cockpit? Was there a major repair on the rudder and tail to make it have the 2-33A tail?

"GRVS","Continuing Registration","Immatriculation permanente","Schweizer", "SGS 2-33","512","512","Schweizer Aircraft Corporation", "Type Certificate - CAR Standard 507.02 (1), 507.03 (3) ", "Certificat de type - Norme du RAC 507.02 (1), 507.03 (3)", "Glider","Planeur","","","N","","","","","471","N", "1986/04/24","1978/07/13","","Private","Privé", "Certificate of Airworthiness","Certificat de navigabilité", "M","U.S.A.","ÉTATS-UNIS","1978/01/01","CANADA","CANADA","Ontario","Ontario", "Kars","G2EA  ","Registered", "Immatriculé","N","2002/05/17", "110000000111001111000001","Toronto","Toronto","","GRVS" --Pietbarber (talk) 00:38, 2 February 2009 (UTC)


 * Beats me, the civil aircraft register says that it is a 2-33 and not a 2-33A as does the club that owns it. The spring tail wheel is a retrofit and can be put on any of them, so it doesn't tell you much. The aircraft are packed away for the winter and the airfield is under four feet of snow now, but if I get down there in the summer I'll check the dataplate. - Ahunt (talk) 01:32, 2 February 2009 (UTC)

2-33 vs 2-33A
OK, I've been living in Switzerland with all my soaring books in storage, including my "Sailplanes by Schweizer" book. But now that I am back in the US, I have found the book and can research the topic more accurately: I think this text in the book pretty much settles it:

In 1968, after 85 deliveries, we converted to the 2-33A model by adding a balanced rudder to reduce the control forces and incorporating some other minor improvements.

Sailplanes by Schweizer, a History. by Paul A Schweizer, Martin Simons, page 176.

It looks like the article has been changed to reflect this, so I think I am a little late to the game here. :)

--Pietbarber (talk) 16:47, 24 August 2009 (UTC)


 * No sweat - thanks for looking it up. Yeah I think we have the article sorted out. What made it difficult was Transport Canada registering 2-33As as 2-33s. That makes identification hard! - Ahunt (talk) 21:38, 24 August 2009 (UTC)

I added to the tail description. hope it is OK.Arydberg (talk) 02:15, 8 June 2011 (UTC)


 * Yup no problem, I just added some links to the terms used so readers can look up what those are. - Ahunt (talk) 14:18, 8 June 2011 (UTC)

Trim System
I made a change to reflect the different trim system on the 2-33 and the 2-33A   Arydberg (talk) 14:47, 6 June 2011 (UTC)


 * I have removed it. Your statement wasn't right - I have flown 2-33As and all of them had the four-position bungee trim. You need to find a ref that explains what serial numbers use this wheel system. See WP:V. - Ahunt (talk) 15:36, 6 June 2011 (UTC)

S/N 591 has it. I assumed it was part of the A series. I will look. — Preceding unsigned comment added by 70.172.214.170 (talk) 21:40, 7 June 2011 (UTC)

I suggest you add something like.. The four bungee trim system was replaced with a tooth wheel and spring starting on S/N 500 http://www.airplanesandrockets.com/airplanes/Schweizer-2-33A-Sailplane-Manual-p1.htm

It is on the 2-33A my club flies.

The source is here   http://www.airplanesandrockets.com/airplanes/Schweizer-2-33A-Sailplane-Manual-p1.htm   I tried to edit it but cannot add the reference to the list Arydberg (talk) 22:22, 7 June 2011 (UTC)


 * That reference on that website is a copyright violation, but I cited it from the original paper manual instead. Thanks for finding that and pointing it out, I have fixed the article text. - Ahunt (talk) 22:36, 7 June 2011 (UTC)

I guess I overstepped. Did the early 2-33's also have a steel tube/ fabric vertical fin & rudder assembly? Arydberg (talk) 15:04, 8 June 2011 (UTC)


 * No problem, we just can't cite copyright violations, but the information was good. As far as I know they do . - Ahunt (talk) 15:10, 8 June 2011 (UTC)

On ours the vertical fin is aluminum. Perhaps you should check it. Arydberg (talk) 15:09, 9 June 2011 (UTC)


 * Sorry that was my mistake - as far as I know all 2-33s and 2-33As have aluminum fins. I have never seen one that didn't. - Ahunt (talk) 15:23, 9 June 2011 (UTC)

We flew today and I checked the plane the vertical fin is aluminum but the rudder is fabric covered presumedly over steel. Arydberg (talk) 20:38, 18 June 2011 (UTC)


 * Okay that makes sense - I have adjusted the text. - Ahunt (talk) 20:51, 18 June 2011 (UTC)

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 * ✔️ - Ahunt (talk) 20:06, 18 January 2016 (UTC)

Tie downs
I noticed in the caption for the photo showing the planform on the white 2-33; it says that the outboard wheels are used as anchor points in windy conditions. This is not correct from what I understand. The wheel and the bolts that hold them in place do not have the rating to keep it in place without sheering. There is, however, a ring mounted at the uppermost part of the strut which is the point that is used to keep the glider tied down. Thoughts on changing that caption? --Ribbit it's Toad573 01:52, 3 June 2017 (UTC) — Preceding unsigned comment added by Toad573 (talk • contribs)


 * I think you are misinterpreting what you are reading there. The caption is explaining why there is an automobile tire sitting on top of the wing tip. - Ahunt (talk) 12:25, 3 June 2017 (UTC)

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