C'mon guys. You do this every time there's a crash. Instantly go into rationalization mode. It's unhealthy. Greatly increases risk builders won't take action. Increases risk you won't research it thoroughly.

A healthy response would be:" Here's another example of how our engines produce unusually destructive exhaust temperature and pulses. We have a rich history of broken exhaust components. We need to be very thorough when designing and building exhaust."

I designed my own muffler. It had two inlets, two outlets. So if (when) my muffler failed, it could never block both pipes. I also put loose safety wire around my pipes, because on a pusher loosing pipe wipes out prop. So basically, I assume stuff will  fail, then design it to control the way it fails. I've heard of rotary guys doing same type of thing. This is a good time to share those key items.

On your car, they deliberately design products to fail a certain way. They will make a component weak, so it fails first. They do that with wheels and hubs. So when the muffler fails, little pieces come apart, not big sections?

You guys do a great job of sharing successes, design and construction details. This is another opportunity.

-al wick




<No doubt you are on the money, Rusty.  When folks are already predisposed to bad mouth the rotary - this will only be more ammunition.  "See! even with umpteen million dollars you can't get one to fly"  {:>).  But, I serious doubt it will effect many who have researched the rotary and come to understand its benefits - as for the rest, who cares {:>)

 I'm certain it was a relief to Mistral that the culprit was not one of their engine components.



 Whew! a close one for sure.



 Hi Ed,



 Unfortunately, I bet the majority of people will only hear "Mistral rotary", "lost power", and "crash"  :-(



 Rusty (RV-3 taking forever.)

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