John Austin
  • Male
  • Crossville, TN
  • United States
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John Austin's Discussions

Sensenich 2E0U5 Composite Prop

Started this discussion. Last reply by Stephen R. Smith on Thursday. 4 Replies

I ran a Sensenich GA carbon fiber prop on my STOL 750/Jab 3300.  I had a prop strike and am upgrading to a Gen 4 3300.  I called Sensenich and they told me that my prop was not repairable since it…Continue

Tags: 3300, Sensenich, gauge, prop, pin

Is Oil Sump Cooling Necessary Jabiru Gen 4?

Started Feb 18 0 Replies

Most experience reports for the Jab 3300 Gen 4 indicate no problems with CHT's/cooling.  I had a Gen 2 3300 built in the transition to Gen 3 with some, but not all of the Gen 3 improvements.  On my…Continue

Tags: Gen, 4, Jabiru, cooling, sump

Jabiru Engine Seminar

Started this discussion. Last reply by Bob Simmons Aug 15, 2023. 1 Reply

A note from Linda Moran at Arion Aircraft:From: Linda Moran To: Linda Moran <Linda@flylightning.net> Subject: Engine Seminar We will be having our…Continue

Aircraft Beacon Alternatives?

Started this discussion. Last reply by John Waldrip yesterday. 20 Replies

I've been toying with the idea of adding a red beacon on the belly of my STOL 750.  (I'll probably keep adding mods until the plane won't fly and then it'll be time to quit! LOL!)  I was at Sun 'n…Continue

Tags: sunbeacon, beacon

 

John Austin's Page

Latest Activity

John Austin posted discussions
Feb 19
John Austin posted a photo

UFO's Invade My Hangar!

Well, not really! Just returned from Homecoming '23 and my significant other, Julia, is decorating the hangar with Japanese lanterns for her son's wedding reception on Saturday. We're having a catered reception with a bar and a band, so it should be…
Sep 18, 2023
John Austin posted a note

Homecoming '23 Saturday Night Bonfire and Ice Trough

In their Homecoming preview video, Sebastien and Roger mentioned having an ice trough of microbrews from around the country along with the bonfire on Saturday night!  Got a 6 pack of "Lost Years" from Yazoo Brewery in collaboration with Calfkiller…
Sep 12, 2023
John Austin posted a discussion

Jabiru Engine Seminar

A note from Linda Moran at Arion Aircraft:From: Linda Moran To: Linda Moran <Linda@flylightning.net> Subject: Engine Seminar We will be having our next Engine Seminar on October 20th & 21st.. There is a limit of 15 attendees. Please be certain that you are attending before signing up.You can go to our website at: www.flylightning.net and download the registration form. Please mail the form along…See More
Aug 15, 2023
Tony Renshaw left a comment for John Austin
"Hey John, Tony here with a thank you response to your photos of your seats. I really appreciate them, and they are inspiring. Would you have any templates of the covers that go over the flight controls, I’d happily buy them from you? Lastly,…"
Jun 28, 2023
Bill Alexander left a comment for John Austin
"John, Yes thank you for your research and development of many mods to your 750. I have copied your design for the four point harness. I ordered the tubing and plate from Aircraft Spruce. Then read your write up, cut to length at 23 degrees, welded…"
May 24, 2023
Michael A Housewert left a comment for John Austin
"John Austin ... John .... Then approximately how from the wing tip before transitioning from 30 to 60 mm spacing for the VG's?"
May 4, 2023
John Austin posted discussions
Apr 21, 2023
LARRY TRAMEL left a comment for John Austin
"Thanks, John for showing me your plane I got a lot of info from our visit. You have a beautiful home and landing strip in on of Tennessee most beautiful valleys. Hope you got your water leak fixed and sorry if I held you up. Thanks again"
Oct 12, 2022
John Austin posted a discussion

Leg Cushion Extension Mod

Seems like over the last couple of years or so I've been starting to notice more discomfort on long cross-countries.  My STOL 750's seats have always been very comfortable - they have 3 layers of soft, medium, and firm temperature-sensitive foam ("Confor Foam"), but now I seem to have a couple of pressure points over the hip joints that I previously didn't have.  My weight hasn't changed, so perhaps a bit of arthritis? has made the joints more sensitve - who knows!?In looking at the ergonomics…See More
Sep 23, 2022
John Austin posted a discussion

LSA "Driver's License Medical"/Cataract Surgery?

"Someone" I know has a Zenith 750 STOL and since it is LSA qualified, flies with a "driver's license medical."  He is contemplating cataract surgery involving multifocal intraocular lens implants.  As "someone" understands it, the FAA says that pilots with a FAA third class medical having this surgery are grounded for 90 days to allow their vision to stabilize.  The regs seem to be silent, however, as far as the "driver's license medical."  My friend's ophthalmologist says that most patients'…See More
Sep 21, 2022
John Austin posted a discussion

5 Minute 750 STOL Padded Console Mod!

In anticipation of the 5+ hr cross-country to the Zenith Homecoming (Sept 16 and 17), I wanted to increase my comfort for the trip.  I have very comfortable memory foam padded seats, but I usually rest my right calf against the aft vertical edge of the center console and after a while, it's a bit uncomfortable.I bought a "Crazed Pilot" headset pad from ACS - it seemed to have the perfect amount of padding since some headset pads are too soft and this was a bit firmer.   I marked a centerline on…See More
Sep 7, 2022
John Austin posted a discussion

Has insurance peaked?

After reading time after time about major increases in aviation insurance premiums, I was holding my breath when my broker told me it was time to renew and she'd get me a quote.  To my great surprise, my premium quote was lower than last year!  The quote was down by about 4% - not a huge amount, but definitely in the right direction!  This is for exactly the same liability and hull coverage with no changes elsewhere in the contract.  Also, there was no change in my history as far as additional…See More
Jun 7, 2022
John Austin posted a photo

STOL CH 750

STOL CH 750
Apr 22, 2022
John Austin posted a discussion

EGT Probe Failure Symptoms

The #1 EGT probe on my Jab 3300 has become slightly erratic.  It occasionally fluctuates quite a bit, but never goes completely out.  The probe has 730+ hrs and I'm guessing it might simply be wearing out, or, perhaps I've got some corrosion or poor contact in the wiring connectors, etc.Just wondered if anyone has seen this and is a probe failure usually an "all or nothing" event or do erratic fluctuations predict imminent failure?  Obviously I don't think the fluctuations are actual EGT…See More
Feb 18, 2022
John Austin posted a discussion

Sun 'n Fun Camping

I've flown my STOL 750 to Sun 'n Fun several times and camped in Homebuilt Camping - which I highly recommend!  However, this year a good friend and neighbor wants me to go with him and dry-camp at Sun 'n Fun in his tag-a-long travel trailer (sadly, he had to hang up the flying about a year ago).We'll only be there a couple of nights (probably Wed/Thurs), so no online reservations are available for that according to the Sun 'n Fun website.Just wondered if some of you who have done this or are…See More
Feb 9, 2022

Profile Information

Aircraft Model
STOL CH 750
Project Status
Flying
Building From
Kit
Engine installed (or plan to install)
Jabiru
Building Experience
Have already built an airplane
Flying Experience
Private Pilot
Building and Flying Info / Your Profession / Other Background Info
Retired physician, 2700+ hr private pilot, instrument rated, built Monerai (Monnet) glider years ago.
Home Airport (ie. KMYJ)
TN66

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John Austin's Blog

Throttle Reversing Bell Crank

Posted on November 26, 2019 at 9:30pm 4 Comments

Some time back, I replaced the Bing carb on my STOL 750/Jabiru 3300 with a Sonex/AeroConversion "AeroInjector" throttle body carb.  The AeroInjector's throttle body slide operates in reverse to most other carburetors in that the throttle cable pushes in to close the slide and reduce the rpm's to idle and the cable pulls the slide open for full throttle.  Typically, most builders use an AeroConversion throttle quadrant to reverse the cable direction.  By attaching the throttle cable below the…

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NavWorx ADS600-EXP Global AMOC (Alternative Means of Compliance) Disable UAT

Posted on December 26, 2017 at 3:00pm 0 Comments

Today, I received a letter from the FAA approving my application for an AMOC (alternative means of compliance) for the AD affecting the NavWorx ADS600-EXP:

A little background:  The ADS600-EXP is subject to an AD that…

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STOL 750 - 500 hrs!

Posted on November 29, 2017 at 10:00pm 5 Comments

I accumulated this over 5 years and 4 months.  Annuals have been non-events for the airframe - finally had to install new brake pads during my recent annual and that's about it for parts over 5 years!  At about 100 hrs I did replace the 800 series tires with 600 series, but that was just personal preference.  They look like they'll be good for one more…

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uAvionix skyBeacon ADSB-OUT Installation and Review

Posted on October 25, 2017 at 10:30pm 25 Comments

uAvionix has recently introduced the "skyBeacon," a FAA-approved (meets 2020 mandate requirements), wing-tip mounted ADSB-OUT transmitter with an internal WAAS GPS that features a simple, 2-wire installation using existing nav light wiring and no additional antenna installation or cabling - and it only weighs 90 grams!.  uAvionix sent me a pre-production…

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Comment Wall (39 comments)

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Join Zenith Aircraft Builders and Flyers

At 2:22pm on September 11, 2023, Joe Hopwood said…

Hi John,

I just realized that I have not been receiving any notifications other than when a new member signs up. I went to the email page, and I have everything selected to receive. Any idea what could be happening? Guess it is possible my email server is blocking but don't know why it would let the new member notice come through. Any ideas?

Also, I noticed that a Mr. Michael Mccarthy has been trying to contact me. It was date June 2021. Guess I have been too busy to even notice missing emails.

At 2:56am on June 28, 2023, Tony Renshaw said…
Hey John, Tony here with a thank you response to your photos of your seats. I really appreciate them, and they are inspiring. Would you have any templates of the covers that go over the flight controls, I’d happily buy them from you? Lastly, you mentioned extending the seats towards the stick, do you mean narrowing the slit gap between your legs for the stick, making it tighter laterally, or longer as in closer to the rudder pedals for better thigh support? Thanks again for the input.
At 3:59pm on May 24, 2023, Bill Alexander said…

John,

Yes thank you for your research and development of many mods to your 750. I have copied your design for the four point harness. I ordered the tubing and plate from Aircraft Spruce. Then read your write up, cut to length at 23 degrees, welded up, and guess what? A perfect fit. M y question is do you still have the information on the belts you ordered from Crow? The lengths ? Or order number for them to reference too. Yep still going , I did install the Edge bore kit on my 912 and with 50 hr on it it seems to be doing really well. I should find time and make a trip up to TN for a visit.

Regards Bill Alexander.

At 1:43pm on May 4, 2023, Michael A Housewert said…
John Austin ... John .... Then approximately how from the wing tip before transitioning from 30 to 60 mm spacing for the VG's?
At 10:58am on October 12, 2022, LARRY TRAMEL said…

Thanks, John for showing me your plane I got a lot of info from our visit. You have a beautiful home and landing strip in on of Tennessee most beautiful valleys. Hope you got your water leak fixed and sorry if I held you up. Thanks again

At 6:35am on June 18, 2021, Joe Hopwood said…

Hi John, 

Michael Mccarthy put a comment on my wall that he has tried to contact me before and I did not reply, but he has not contacted.  Don't know for sure whether he attempted and it just did not get to me.  I tried to reply but his is set to private.  I do not want to send email to the one in his comment as that would expose my email.  Is he a valid member?

At 10:26am on May 2, 2021, Chris M. Brammer, Jr. said…

Sorry John.  Did not mean to offend anyone, or post an add to sell my plane.  Was merely replying to a question on my selection of a 0-320 engine.  Don’t see how to delete, so maybe you can do that for me.   Chris

At 6:15pm on December 5, 2020, Dennis Hutchinson said…

John, 

I just changed my internet service from AT&T to Xfinity, which as a result, my e-mail address is changing. How do I change my e-mail address for my log-in? When I go to my profile options, I follow the link for “change” under the e-mail settings, at it just dumps me back to the previous page. Your assistance would be greatly appreciated.

Thanks,

Dennis Hutchinson 

At 3:19pm on July 2, 2020, Mel Asberry said…

Hey John,  Thanks for the heads-up n the DAR question. I normally don't visit the 750 forums.  I'm happy to "act" as a DAR consultant whenever I can help.

Maybe there could be an "Inspector Consultant" forum.

At 10:26am on August 29, 2019, Jeffery R Millburg said…

John , their is inspection panels for the rear tail where u need them call me   1-217-473-3269 Jeff millburg ch750

 
 
 

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