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Never seen any reference to aerobatic time, other than statements like, "an experienced acrobatic pilot".... Ron Wanttaja

Ron: Do you have any data that indicates the aerobatic time / experience of the pilots, as opposed to the total time? BJC

My initial point of view comes from being asked to determine if the A-1 (AD) production line could be reopened. This was in 1965. As a first step I...

Because it was not relevant to the question I was asked. To recap: "Wes Liu suggested that I take a look at aerobatics-related accidents,...

Over a 10-year period (2009-2018) inflight loss of control – mainly stalls – accounted for the largest number of GA fatal accidents. After engine...

Why did you exclude "engine failure." Have you never heard of "Tillie" from WW-II and her diaphram for Spitfires to fly negative "g's"? Or an...

But this would also apply to ANYONE flight testing ANY new aircraft of ANY kind!

To be honest I got sidetracked by your comment about your student pilot friend who flew off a Phase I in a Sonerai but personally I would say a Sport...

Did you mean to say student, or Sport Pilot? One was mentioned in the subject line, the other was not. I don't think a student pilot flying off...

I was in similar situation and found it was easiest to buy one of the become SolidWorks associate courses, which cost about $12 at Udemy. They teach...

Never said that I disapproved of them being there. The EAA AirVenture CAP encampment is like a Mecca to them. I don't feel sorry for them when it is...

I've been keeping an eye on it, but Mel is absolutely correct and I don't have anything to add. I would be happy to help, however. If you want to...

Let’s talk safety..... First, I’m surprised and disappointed that no one from the EAA staff has weighed in on this thread. Is there anybody out...

Nice work, as always, Ron! An interesting look into the nooks and crannies! Jim

Continental specifies the .060 master orifice for the big bore engines like my IO-550. That typically results in ~45psi and controls where expanded...

I find it easier to create the individual parts as separate files (.SLDPRT) and then pull them into an assembly (.SLDASM). The parts use 2D sketches...

several years back I was driving a cart on the cart path between building A and C. stopped to let some people pass. A guy looking at his cell phone...

Well, it's always hard making such a comparison; I've got about 4400 overall homebuilt accidents in my 1998-2018 database, but only a few dozen of...

I agree. My comments were based on decades of observations. Over the years I’ve seen the up and down side of it all. But you’re right, given the...

Trying to direct/inform crowds is VERY much like herding cats at a rocking chair convention. People come to major events like this and often just...

Placing teenagers in positions where they are essential directing adults just creates opportunities for conflict. Don’t care if they are CAP cadets,...

Actually I was in the first group of DARs authorized to do LSA. IIRC, Joe Norris and I were the first 2.

I'll repeat the great data! You're work is always wonderful and greatly appreciated. Ironically, I am interested in the data that you threw away....

I was pointing out that your narrative did not read like teasing. At least not teasing in the manner of good humored ribbing. We can all make...

There was never an automatic failure at <60 psi compression differential. Many mechanics would call it a failure, and often times cylinders were...

I'd recommend listening to Mel......He's been at this a looooooong time.