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#1
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Stuart
Before useing a Schweizer tow rig give serious consideration to the info on this website http://home.att.net/~jdburch/index.htm I too would reccommend a tost tow rig only. Far safer for both the tow pilot and glider. NTSB stats show on average one tow pilot death each year- upsets on tow with no chance of recovery. I think the FAA data is way out of date and should have been revisited long ago. Good luck Rod |
#2
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See also the article on upset accidents, causes and avoidance at
http://www.glidingmagazine.com/ListF...Dtl.asp?id=327 , by Chris Rollings. Note also that the BGA has a modification to the Schweizer hook, approved by the U.K. C.A.A., to incorporate a roller bearing in the hook to make release under heavy load much easier. W.J. (Bill) Dean (U.K.). Remove "ic" to reply. "Rod Pool" wrote in message m... Stuart Before using a Schweizer tow rig give serious consideration to the info on this website http://home.att.net/~jdburch/index.htm I too would recommend a tost tow rig only. Far safer for both the tow pilot and glider. NTSB stats show on average one tow pilot death each year- upsets on tow with no chance of recovery. I think the FAA data is way out of date and should have been revisited long ago. Good luck Rod |
#3
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![]() W.J. (Bill) Dean (U.K.). wrote: See also the article on upset accidents, causes and avoidance at http://www.glidingmagazine.com/ListF...Dtl.asp?id=327 , by Chris Rollings. Note also that the BGA has a modification to the Schweizer hook, approved by the U.K. C.A.A., to incorporate a roller bearing in the hook to make release under heavy load much easier. W.J. (Bill) Dean (U.K.). Remove "ic" to reply. "Rod Pool" wrote in message . com... Stuart Before using a Schweizer tow rig give serious consideration to the info on this website http://home.att.net/~jdburch/index.htm I too would recommend a tost tow rig only. Far safer for both the tow pilot and glider. NTSB stats show on average one tow pilot death each year- upsets on tow with no chance of recovery. I think the FAA data is way out of date and should have been revisited long ago. Good luck Rod -- Peter D. Brown http://home.gci.net/~pdb/ http://groups.yahoo.com/group/akmtnsoaring/ |
#4
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The SSA was kind enough to mail me nice copies of STC's issued to Javelin
Aircraft Company for tow hook installation on Cessna 180, 185 & 321 Aircraft (STC SA271CE) and for Cessna 120, 140, 170 & 305 Aircraft (STC SA268CE). The STC's include many variants of the models listed. Both STC's reference Cessna Report No. S-000-134 (Page iii) Revision B dated 5/3/62 - which is probably the Cessna Engineering Analysis. Gasser Banner says they have not manufactured brackets and hooks for the Cessna 180 under their STC for many, many years but will sell the documents needed for fabrication for $75 - which is a modest cost considering the hassle. I may purchase just to see how it compares with the Javelin method. I have gotten lots of e-mail recommending using a TOST hook or inverted installation of the Schweizer hook. I have e-mailed TOST hoping to get information on their E85 release - mainly so I can figure out how to mount it on the 180 tailwheel (not a leaf spring) and rig a release. I am still assembling material for review by my A&P/IA so I don't buy anything I won't actually be able to get approved. None of the experts liked the idea of pulling the rope for release and pointed out that the FAA Advisory Circular recommends a lever with a 5:1 mechanical advantage. Rod's link below shows 337-approved inverted installation of Schweizer hook on a Pawnee leaf spring tailwheel. Thanks for all the comments. I will post what I find out from TOST. Stuart Rod Pool wrote: Stuart Before useing a Schweizer tow rig give serious consideration to the info on this website http://home.att.net/~jdburch/index.htm I too would reccommend a tost tow rig only. Far safer for both the tow pilot and glider. NTSB stats show on average one tow pilot death each year- upsets on tow with no chance of recovery. I think the FAA data is way out of date and should have been revisited long ago. Good luck Rod |
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