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- From: bart@asiago.cs.wisc.edu (Bart Miller)
- Subject: Rear shoulder harnesses for Cessna
- Message-ID: <1992Dec30.201230.25699@cs.wisc.edu>
- Sender: news@cs.wisc.edu (The News)
- Organization: University of Wisconsin, Madison -- Computer Sciences Dept.
- Date: Wed, 30 Dec 1992 20:12:30 GMT
- Lines: 38
-
- As part of Cessna's new program to increase safety (read: decrease liability)
- in single engine airplanes, they have been doing some good things.
-
- One of these things is to make kits available to put shoulder harnesses in
- the rear seats of all their planes. The kits are priced near cost to encourage
- the purchase.
-
- We recently bought a kit for our 1979 TR182, and found something quite
- puzzling. A little background first:
-
- Our CURRENT front seat belt assembly (which does have a shoulder harness) has
- a lapbelt with the buckle side inboard and the blade side outboard. The blade
- side has a tab on which to fasten the shoulder harness. When you unbuckle the
- lap belt, both the lap and shoulder harness come way from the buckle.
-
- In older Cessnas (I remember this from a 1971 T210), the tab for the shoulder
- harness was on the inboard, buckle side. When you opened the lap belt, the
- shoulder harness was still across your body and had to be separately unfastened
- from the tab. In an emergency, it was a 2 step procedure to get out of your
- belt/harness....which is why it was changed.
-
- Now, in the NEW kits (which include a complete new lap belt and harness),
- the buckle side is OUTBOARD and the blade side (with harness tab) is INBOARD.
- The effect is that when you open the lap belt, the shoulder harness is still
- across your body. This seems to be a bad idea.
-
- You cannot switch the two sides because (due to the length of the various
- pieces) the shoulder harness tab would not be far enough inboard, and because
- this would be an "unapproved" installation.
-
- I talked with the technical support folks at Cessna and they did not know why
- the kit was designed this way. One of their engineering folks will get back
- to me (and I will post a follow-up)
-
- Anyone else out there tried these kits?
- --bart miller
- uw-madison cs dept
- bart@cs.wisc.edu
-