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

AirGizmo Panel Dock/Angle Adapter Mod

Started this discussion. Last reply by John Austin yesterday. 5 Replies

We've had a string of rainy days down on the farm, so I had time for a quick project/mod on the 750 STOL.  I have an iFly GPS that was mounted on a swivel to give me a few degrees of tilt toward the…Continue

Tags: Adapter, iFly, Angle, Dock, Panel

DYNON D3 Pocket Panel Portable EFIS - SOLD

Started this discussion. Last reply by Ramesh Nori Mar 23. 1 Reply

Just received direct from Dynon a D3 Pocket Panel.  FeaturesNEW - Synthetic VisionNEW - Intuitive Touchscreen InterfaceNEW - Improved Brightness for Superior Sunlight ReadabilityAccurate Pitch and…Continue

Tags: D3, Panel, Pocket, EFIS, Dynon

EPeX150i?

Started this discussion. Last reply by Bob Widmer Feb 28. 9 Replies

Anyone contemplating installing the Edge Performance EPeX150i in a Zenith design?  As I understand it, it is a completely overhauled to factory spec 4 cylinder Yamaha engine, 150 hp, weighs no more…Continue

Tags: Performance, Edge, EPeX150i

Never Say Never - The Slats Are Back!

Started this discussion. Last reply by Bob Simmons Apr 8. 19 Replies

When I built my STOL 750 about 9 years ago, the Cruzer did not exist.  I had a 2100' turf strip and all my buddies had strips at least as long.  So, not needing "superSTOL" capabilities, nonetheless…Continue

Tags: slats, 750, STOL

 

John Austin's Page

Latest Activity

John Austin posted a photo

The Big Dig!

Occasionally, there's an informal fly-in to my airstrip. There's limited parking near the hangar and usually a few planes wind up parking on the end of the runway. I've always wanted more area for parking so as to get planes off the runway. Kenneth…
Apr 7
John Austin posted discussions
Mar 20
Dennis Hutchinson left a comment for John Austin
"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”…"
Dec 5, 2020
John Austin posted a discussion

EPeX150i?

Anyone contemplating installing the Edge Performance EPeX150i in a Zenith design?  As I understand it, it is a completely overhauled to factory spec 4 cylinder Yamaha engine, 150 hp, weighs no more or even less than a Rotax 914, and under $20K!There's been a lot of buzz about the Edge Performance engines what with Steve Henry running one at 300 hp for STOL competitions,etc., but I've not seen a single mention about a Zenith application - seems the 150 hp version would be ideal in a STOL…See More
Dec 2, 2020
John Austin posted photos
Nov 5, 2020
A discussion started by John Austin was featured

Never Say Never - The Slats Are Back!

When I built my STOL 750 about 9 years ago, the Cruzer did not exist.  I had a 2100' turf strip and all my buddies had strips at least as long.  So, not needing "superSTOL" capabilities, nonetheless I was impressed with the solid, all-metal construction of the STOL 750, the unparalleled visibility, and decided to build one!I had previously flown a STOL 750 both slats-on and slats-off, so during Phase 1, I tested my 750 in both configurations.  I later decided to remove the slats, add StolSpeed…See More
Oct 20, 2020
John Austin posted a discussion

Never Say Never - The Slats Are Back!

When I built my STOL 750 about 9 years ago, the Cruzer did not exist.  I had a 2100' turf strip and all my buddies had strips at least as long.  So, not needing "superSTOL" capabilities, nonetheless I was impressed with the solid, all-metal construction of the STOL 750, the unparalleled visibility, and decided to build one!I had previously flown a STOL 750 both slats-on and slats-off, so during Phase 1, I tested my 750 in both configurations.  I later decided to remove the slats, add StolSpeed…See More
Oct 19, 2020
John Austin posted a status
"Flew my first test-flight after annual and installation of Stewart Warner fuel senders. Also have re-installed the slats and bigger tires!"
Oct 19, 2020
John Austin posted a discussion

VDO Fuel Senders Woes!

From time-to-time there have been reports of the VDO fuel senders leaking or even the central electrode falling out!  These senders were OEM for VW's and intended to be top-mounted on the fuel tank.  When side-mounted in the Zenith tanks, they are continuously immersed in fuel under slight pressure from the weight of the fuel. My VDO senders are at least 10 years old, installed for 8 years, and have never given a problem ... till now!I recently flew to Mexico, MO for the Zenith Homecoming and…See More
Oct 3, 2020
John Austin posted a discussion

Blow-dry Your Plane!

Today I washed my STOL 750 in anticipation of flying to the Zenith Homecoming in Mexico, MO. My typical routine is to wash the belly first, then the wings, tail, and then the fuselage.  Typically I would then use a chamois or towel to wipe down any remaining water to try to avoid water spots.Today, I suddenly had an inspiration - my hangar-mate and I had recently purchased an EGO 56V leaf blower for occasionally blowing off the hangar floor and ramp. I had heard of people blowing their cars…See More
Sep 13, 2020
John Austin posted a status
"Beautiful summer day here in East Tennessee! Flew this a.m. and logged my 3,000th hr, 650 of which thanks to my STOL 750. Still grinning!"
Aug 18, 2020
John Austin posted a discussion

Stained Window Fix

My STOL 750's fuselage windows aft of the doors are Lexan (polycarbonate). Lexan is extremely tough, but ironically, scratches easily and is absolutely intolerant of gasoline!  Quite some time back, I over-filled my fuel tanks on a cool morning.  During the day, it became quite warm and the fuel expanded and slowly seeped out through the original Zenith vented caps that were installed.  Unfortunately, there was an unsealed gap around the filler neck that allowed the seeping fuel to flow down…See More
Aug 10, 2020
Mel Asberry left a comment for John Austin
"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."
Jul 2, 2020
John Austin posted a discussion

Bose Aviation Headset X Repair

I've had a couple of Bose Aviation X headsets for a number of years.  One headset had chunks of plastic broken out of both yokes (the parts that hold the earcups).  I believe I'm correct in that Bose no longer supports these headsets, and even if they did, they charge a flat fee for repairs that is/was very expensive!  The audio quality of the Bose headsets is unsurpassed, but it is inexcusable that they are so fragile for a $1000+ item!  To add insult to injury, Bose drops support on old…See More
Jun 27, 2020
John Austin posted a discussion

And now for something completely different ... a thoroughly enjoyable video!

You simply have to see this video - share it with your family and friends.  Proof positive that EAB builders are not totally obsessed with their build!  ;>)https://www.youtube.com/watch?v=--YeaqTrh0oEnjoy!JohnN750ASee More
Jun 18, 2020
A discussion started by John Austin was featured

Please Use the "Classifed listing" for Ads!

We've recently had a marked increase in the number of ads being placed in the Open and Type-Specific Forums!  The Open and Type-Specific (701, 750, Cruzer, 750 SD, 801, 601/650) Forums are for discussions about building and flying Zenith Aircraft, not ads.  Obviously, "ads" are posts offering something for sale, but also "ads" include posts such as "looking for" and "want to buy."The reason ads are not allowed in the Zenith discussion forums is that they tend to generate more responses such as…See More
May 9, 2020

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 (33 comments)

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Join Zenith Aircraft Builders and Flyers

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

At 2:23pm on May 1, 2019, Jack Martin said…

Hello John,

First I want to thank you for all the good information you have shared with the forum.

I also have a question. Since the horizontal tail section produces a downward force in flight, I wondered if a larger horizontal tail section would cause additional drag. Have you noticed any reduction in speed due to your elevator extensions?

Jack Martin

At 2:45pm on January 11, 2019, Carlos Sa said…

Hello, John

Looks like I can't reply directly to your comment re engine mount installation, so here it is:

I wasn't aware of the existence of this tool - it would probably have made life easier for the other three bolts, but I suspect it would not fit in the space I had for the 4th bolt.

Just inserting the regular C clamp took a great deal of maneuvering... 

But still, not as daunting a task as I expected. Patience and creativity go a long way.

Cheers

Carlos

At 1:22pm on August 20, 2018, Theodor Galdi said…

John:

I hate to bother you again about this, but the "search" function in Ning is totally useless.

Briefly, I got a windshield which was flat across 80 percent of  the top, BUT the left and right ends were elevated about 3/4 of an inch. I got on the Cruzer forum and laid out my problem. Some of the members said that one could gently heat the ends with a heat gun to to make them flat. I tried this and could not evenly heat the whole end to lie flat, making these really ugly distorted ends that still had dips in them. I emailed,then spoke to Roger who said a small rise was not unusual. I can't figure this out because water will get under the rise. In the end, I reordered a complete windshield--which was expensive, but the shipping was almost as much as the windshield.

With that as background at an earlier time we discussed your installation and I bought enough butyl tape for the perimeter, BUT I cannot find the email or forum entry in which you set this out.

Would you please send this to me again.

Ted Galdi

At 7:26pm on July 2, 2018, David Banahan said…

Call me.  David Banahan 270-784-9299

At 3:16pm on January 29, 2018, Theodor Galdi said…

Thanks, John for indulging my poor memory.

I got some 1/16 by 1/2 inch butyl tape ordered this morning. Amazon was nice enough to offer me 20 rolls for a total of $176. After a fair amount of surfing, I found a seller that would sell me one or two. Jon Croke had indicated that some of new bubble door builders had used adhesive on them. I ordered enough butyl tape to do the windshield and the doors--using the spacer bushings on both.

On the basis of your comments below, my guess is that the ideal spacer bushing will tubing will be the plastic fuel line that they use for model airplanes.

Thanks again. Ted Galdi

At 10:40pm on January 28, 2018, Theodor Galdi said…

John:

Thank you VERY much for you reply concerning mounting the windshield. On the basis of a more recent post by you I had already increased the thickness of the windshield support to .050. I am going to order some 1/8 by 3/4 black butyl tape from amazon tomorrow.The idea of making a butyl "sandwich" sounds like an excellent way to seal the windshield.

What I did not see in your reply was a response to my suggestion that thin sections of 1/4 inch nylon tubing (like we have for brake lines) be put in the 1/4 inch openings in the windshield.

Did you leave them out?

Thanks again.

Ted Galdi

At 3:06pm on February 4, 2017, David Muse said…

John,

I need to thank you for the tip about helicopter blade tape. I wandered over to the downtown airport last week and caught a mechanic working on a Jet Ranger (Sky4News) and asked him about it. He laughed a bit and told me to go over to Pep Boys and get a roll of clear rock guard tape, like is used on car rocker panels. Said it was the same thing, only cheaper. You might want to look at this.

Dave Muse

 
 
 

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