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Sensenich Ground Adjustable Prop

Hey if you need a FAA pilot, I know a girl. FAA Inspector, flys the sh*T out of anything, and owns a J3, SuperCub, and a Tripacer. Before meeting her husband Jake I think they both had their own stardusters. But then Jake took an Ohio bush pilot sticker to the South Pole, so he’s got that going for him.

Just don’t ask them to fly in the same airplane. Did I get it all right Rick?


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Steve, any updates?

My 82” is ordered and should ship end of March, but I am looking forward to hearing about performance
 
Steve, any updates?

My 82” is ordered and should ship end of March, but I am looking forward to hearing about performance


My SC is one of the two being used for the O-320 with mine representing 160hp testing and they have finished with it and it's is returning home this week but there is still more testing to be completed which is presently delayed but hopefully to resume in short order.
 
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That Sensenich is one tough prop. Know a guy who chewed some frozen ground with one. Leading edge stayed in place and captured the 5" composite broken tips. Cordless 4.5" cutoff wheel made a clean cut and he flew the 100 miles back home.

Glenn
 
My SC is one of the two being used for the O-320 with mine representing 160hp testing and they have finished with it and it's is returning home this week but there is still more testing to be completed which is presently delayed but hopefully to resume in short order.

Mine is going on a 195hp Bearhawk Companion
 
I want one. Do they want any flight testing on a Pacer-representative airplane? 160hp

You work for the government. If asked you could tell them you figured it was approved via the fast track.
But you might be better off to tell them it’s under government contract and their requirements are superseded. 🤣


Transmitted from my FlightPhone on fingers… [emoji849]
 
I have been flying the whirlwind and Sensenich for several yrs now and don't see myself going back to anything else. I flew the Borer for over 40 yrs and it was a great prop. These are better.
 
The FAA testing is to prove equal to or better than the 1A175 McCauley prop. Even with a 30 hour tailwheel pilot with only a few hours of Super Cub time the data shows equal to or better than but honestly the data is all over the place because of the inconsistency of the pilot. If I had as little Cub time as him I would be inconsistence as well. I can tell you that from my testing it gets off quicker, climbs better, cruises faster, lighter and way better on sand and gravel than the 1A175 McCauley.
 
For one ... the designee costs money.

Well not necessarily. The last certification program with which I was involved was with FedEx. They provided their own designee. They were paying his salary whether he flew that cert program or not.

You'd think a propeller manufacturer would have qualified designees or are we tail wheel pilots such a rare breed.
 
These days FAA guys are hardly working, most from home and one knows how much time they put in at work.
I have been tracking another STC, all approved thru departments but needs the paperwork signed off, been a month now and not moved.
 
Well not necessarily. The last certification program with which I was involved was with FedEx. They provided their own designee. They were paying his salary whether he flew that cert program or not.

You'd think a propeller manufacturer would have qualified designees or are we tail wheel pilots such a rare breed.
A small company like Sensenich may have their own engineering designee, but it's highly unlikely they would have a test pilot designee on their payroll.
 
My friend Eddie will have one soon for his EXP PA-18. He's run a Borer, Catto, stock Cub Sen on the 160. It'll be a fun test as he knows how the rest performed.

Gary
 
This was a blank form if the fellow above would like to use it while playing with the various pitches on the prop. I am on my work computer and don't have the ones that we filled out on hand.

My point to this is to give a base line for what you had, then do some form of regimented testing to see the actual results, I think or I feel is not a very good way to test your new prop etc. Record the numbers and see what you actually get.

I find this really useful for then I want to change pitches for the mission. If I have some CC I want to do and am not worried about maximum TO performance, I can look at my chart and know exactly what pin to use and what performance I can count on getting. Once at my destination I can swap to take off pitch and know exactly what to expect as well. Changing pitch take around 5-8 minutes if you have a spinner on.





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Does the listed weight of the O-360 82" version include the bolts?
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Just weighed the one I am about to install, 19.625 lbs
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That Sensenich is one tough prop. Know a guy who chewed some frozen ground with one. Leading edge stayed in place and captured the 5" composite broken tips. Cordless 4.5" cutoff wheel made a clean cut and he flew the 100 miles back home.

Glenn
We were testing a 78" version which is the set of blades that got damaged. Sensenich just band sawed the ends and sanded them smooth. Carbon fiber through out, carbon spar. Mo wood top shrink or expand.
 
That is the same as my 86/38 Catto with all the hardware.

Sorry the weight was in Kilos.

Works out to 19.8 with that skull cap bracket.Screenshot_20220302-211409_Gallery.jpeg

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Some mesquite trees.
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Been done a bunch. IMG_8833.JPG
Really good props.


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