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I have 4 of them. I will sell you one cheap. Seriously, look on craig's list or an estate auction and pick one up cheap. Unless you use it every day no need to buy new.

This +1. :yes:

And totally preventable. :rolleyes2: My heart breaks for the family and friends of those lost.

I never understood this bit of wisdom. It certainly is NOT true, and what if you are flying on cloudy days?

Catto props are amazing. Speed, weight, design, looks, they have it all. They are the preferred prop in the RV world.

Why not do it right and dynamically balance it? :dunno: Vibration, aluminum, and avionics don't play well together.

Again, the human body cannot feel anything under .07 IPS. Balancing an aircraft by the seat-o-pants meter is unreliable at best.

Even brand new engines are build within "tolerances". The "out of balance" specs can and are certainly smooth, but add a prop and swing it at 2700 RPM and there is no way it can be as smooth as dynamically balancing it. The human body cannot detect anything below .07 IPS, but your airframe...

Dynamically balance is done with the same type of equipment used on helos. Many A&Ps have them and charge around $150 -$200 for a balance job. Some EAA chapters have them available for a smaller fee if you are a member. Out of balance is measured in IPS (inches per seconds) anything above .7...

That will get the prop close, but you still need to have it dynamically balanced so the engine and prop are balanced as a unit at the RPM you cruise at, or the static RPM you can reach on the ground.

Some people just like to sleep around.

Thank you. :yes: I am certainly not advocating no auto rotation training. Demonstrate the student knows the components to autos, do one unassisted for the CFI, DONE! No different than the engine out training for fixed wing. It is not required to be demonstrated on the check ride for fixed wing.

Re: Will the watered down version of PBOR2 still probably would kill LSA and Sport Pi If that were the case the FAA would have just outlawed them. They were illegal to begin with. :rolleyes:

A lot of fixed wing planes lost in training? Please post that link. Did you own the helo you were training in? Demonstrating autos is all that is needed, IMHO. Entry, stabilized approach, controlling air speed & rotor RPM, flair to hover. Done. No need to do hundreds of them. We don't crash...

Happy feet!

:rofl::rofl::rofl:

Or casual. No one wears a suit to weddings anymore, except old people who don't have good casual clothes. NO JEANS, NO DOCKERS.

+1 :yes: Never understood the need to belong to such organizations to pretend to be something special, but I love hanging out with aviators and having a cold one. If they haven't asked me by now they aren't interested so the above applies.

I think autos are way over rated, and this is more proof. They are VERY hard on the equipment as the destruction of this engine points out. More helos are lost practicing auto rotations than are saved actually doing them. For students and private pilots the concept should be enough. We...

:yes: