EZFlap wrote:Does anyone care to comment about the difference in safety or level of protection (upgrade or downgrade) that would be experienced if one switched back and forth between an inertia reel system and a standard shoulder harness such as the Hooker or Wag-Aero type system?
It seems to me that most of the people who say that inertia reels saved their life are certainly telling the truth, but they are also comparing the safety of an inertia reel shoulder harness versus not having a shoulder harness. That's not a fair comparison at all. Any third grader can tell you that putting ANY shoulder harness into an airplane that didn't have one previously is a huge safety upgrade.
Basically, I'm asking if anyone is willing to address an apples to apples comparison... whether that a shoulder harness using an inertia reel is more or less safe than a shoulder harness that is fixed.
Jack Hooker, Wag-Aero, and a few others manufacture pilot restraints that are certified and save lives every day. I'll bet that many more lives have been saved by their restraints than inertia reels. They are inexpensive, nearly foolproof, and pose no risk of early, failed, or late lockup.
It just seems that the standard shoulder harnesses are not getting included in the discussions at all, even though they have been saving lives for decades. Yeah, admittedly I partially have a dog in this fight, but my point is just as valid as if I didn't.
mtv wrote:
The reason that inertial reels are such a good addition to any airplane is that, because they do not restrict one's movement in the cockpit, pilots WILL WEAR THEM REGULARLY.
mtv wrote:
Here's a little quiz for YOU: When was the last time you saw a production AUTOMOBILE that didn't come from the factory with inertial reel harnesses??

EZFlap wrote:mtv wrote:
The reason that inertial reels are such a good addition to any airplane is that, because they do not restrict one's movement in the cockpit, pilots WILL WEAR THEM REGULARLY.
Let me get this straight... are you telling me that you or any other pilot wouldn't be smart enough to wear the shoulder harness in an airplane if it wasn't an inertia reel? Or that you would even occasionally not put on a straight harness? Seat belts restrict one's movement too, you know, but I don't see anyone not using them regularly just because they can't dance a Mambo while flying.
There are MANY examples in the accident databases where a pilot or passenger suffered facial injuries while wearing a fixed shoulder harness, BECAUSE they didn't have the harness snug. An example I'm familiar with was the Husky accident that Sparky Imeson was an instructor in in Montana a few years ago. Sparky was in the back seat and suffered some pretty bad facial injuries because he wasn't wearing the fixed harness in that airplane snug enough. There are many more of these kinds of examples.mtv wrote:
Here's a little quiz for YOU: When was the last time you saw a production AUTOMOBILE that didn't come from the factory with inertial reel harnesses??
Sorry Mike, I just can't resist ... I'll cheerfully admit that all modern cars come with inertia reels, if you admit that no car manufacturer in their right mind EVER made a car where one of the more important hand-operated controls was on the floor two feet out of the driver's reach, where they had to lean forward and put their head under the dashboard to reach it.

Zane wrote:....The Sport Cub I now fly has inertial reels that even have Amsafe airbags built into them. That's a pretty nice feature in an aircraft that stands a good chance of flipping over and beating your head about the steel fuselage tubes.
Zane wrote:
Bill, I think this is the wrong battle to fight in promoting the EZflap.
mtv wrote:
pilot or passenger suffered facial injuries while wearing a fixed shoulder harness, BECAUSE they didn't have the harness snug.
suffered some pretty bad facial injuries because he wasn't wearing the fixed harness in that airplane snug enough.
Sparky admitted that he had the harness loosened at the time of the accident.
Shoulder harnesses that are even slightly loosened may in fact, permit the upper body to stretch just far enough for the head to reach something hard.
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