All Blog Posts (1,806)

Flying with the doors off

 OK, its hot here in SC, so wen;t flying with no doors. The breeze felt good and the plane  handled well. the only adverse condition was a little wind noise being picked up by the head set mike. Now for the rest of the story, we, ( Robert my partner) and I were not planning this. It started because we were not happy with the 68" GSC wood prop in use. Although the tracking was spot on there was always a small vibration we did not like. So we ordered a new 71.5 " Kiev prop and installed. After…


Added by Bill Alexander on July 9, 2011 at 7:55pm — 6 Comments

Wagner HVLP Control Spray Plus Paint System


Here is my new Wagner HVLP Paint Spayer System.  Great Spray Gun - can be used with all kinds of paint such as Waterborne Epoxy Primers, and Waterborne Polyurethane etc.  There are some pretty expensive systems out there... but this was to good to pass up!   Paid $75US from Gleam Paints.  Runs off of 110V and feather light.   Princess Auto had one for $130 from China and it just could not compare to the Wagner.  I had a Wagner electric spray gun back in the 80's and it was one super…


Added by Ron D Leclerc on July 8, 2011 at 5:27pm — 5 Comments

Celebrate Chris Heintz Day (July 25th,2011) with a Tee shirt or Hat!

Purchase your Zeniths to Oshkosh Tee shirt or Hat before the event.



Added by Russell Lepre' on July 8, 2011 at 8:51am — No Comments

At what stage the engine is better to be installed

I,m building a kit 750  bought it 2008 and  just finished installing the main landing gear and controls . The engine going to be installed is Rotax912, The questions are.
1- What type and  size of bolts and nuts  to fix the engine mount to the fire wall? there are 6 holes for that
2- Is it good time to install the engine now before joining the wings and tail?


Added by Adel Alyahya on July 4, 2011 at 1:00pm — 3 Comments

Update as of 2 July 2011

Yesterday flew another hour in the evening. Still hot air at 1000 AGL. Temp was 85 degrees.  Was curious as to the cooling capabilities of the Rotax engine with water cooling and the oil radiator provided in the fw fwd kit.  To date noticed no problems all temps have been well within limits.  So far have 21.8 hours with no major flight glitch.  Only issues so far were the mounting spacer rubber on the gear (see blog in Matronics) - seems to be cured now with the "new design material" from…


Added by Phil Smith on July 2, 2011 at 9:01pm — 1 Comment

Zeniths to Oshkosh!

(Older posts for the Zeniths to Oshkosh planning by Joe Scheibinger)


It's already July and we're just weeks from the start of AirVenture (Oshkosh)! 


"Zeniths to Oshkosh" Update

It's only three weeks to EAA! For us lucky ones that live close to the Oshkosh airport, EAA for us is the entire months of July! It's fun to drive out…


Added by Zenith.Aero on July 1, 2011 at 8:00am — No Comments

750 Flying Technique

Currently I'm focusing on landing the 750 under a range of configurations and circumstances . . . and I find the process challenging and FUN. I find turning from base fo final and on down to the numbers holding 60 seems comfortable, with or without power. Without power flare is nearly nonexistent. I like to have the wheels touch just as the stick is full back. I would love to hear how others relate to flying (and especially landing) the 750. Peter

Added by Peter Bennett on June 29, 2011 at 7:35am — No Comments

CH 650 Kit Evaluated by FAA

In a letter dated June 24, 2011, Terry Allen, manager of the FAA Production and Airworthiness Division, stated that the Evaluation Team determined that the kit will “allow an amateur builder to meet the major portion requirement of Title 14, Code of Federal Regulations part 21, Certification Procedures for Products and Parts, § 21.191(g),” known as the…


Added by Sebastien Heintz on June 28, 2011 at 5:03pm — 4 Comments

Elevator not Stabilizer

See what I mean about mistakes, meant elevator not stabilizer in both the blog and pic.  Guess I learned this time to proof before post???

Added by Tim Smart on June 26, 2011 at 6:06am — No Comments

Completed the Stabilzer

I finished the stabilizer yesterday, I ended up changing both the hinges to a 2" open because I was not happy with the rivet to edge spacing.  I made many of the parts twice and if I were paying myself minimum wage I am sure that I would be in the price range of a Bonanza.  With 99.9% of the build ahead of me can anyone say Gulfstream?


It sure is fun and I am learning from every mistake I make!

Added by Tim Smart on June 26, 2011 at 5:55am — No Comments


While waiting for some extra hands to stow my left wing I decided to polish a section. After cleaning it with mineral spirits I went over it with Nuvite F9 and it REALLY brought out some hand prints that I didn't see before. I went over it again with F9 and the prints are still there. Anybody got a solution.

Added by Robert Crawford on June 25, 2011 at 7:06pm — 3 Comments

Jabiru CHT temps high one one side - EGT's OK.

Jabiru CHT temps high, on 2,4,6, but 1,3,5 OK.


I flew my new Zodiac for the first time today, It was great, except for the high CHT.

I had someone else fly it first, did my GA conversion and flew it today.  I was told cyl 4 was too hot (170 C), so I installed a baffle in the ram air duct above cyl 4. (Jabiru 3300), The test are much cooler.

When I flew it cyl 6 was hottest.= the baffle cut air to 6.

I tried cutting off the lip on the cowl, and…


Added by Robert Emery on June 25, 2011 at 2:25am — 3 Comments

Wooden control grip

A few weeks ago I came across these neat wooden control grips on Aircraft Spruce.

Pioneer Aircraft control grip

The only problem was that the grips were for right hand only. I had cut the "Y" off my 601XL stick so the control column diameter was about 1.135" diameter. These on ACS were a maximum of 1" diameter. I contacted Guy at Pioneer Aircraft and asked if he could make a grip with…


Added by Louis W. Ott on June 24, 2011 at 4:40pm — No Comments

Zenair Newsletter & DVD #184 now shipping! Time to Renew!

For our regular subscribers, this is the last issue for the current subscription period. Time to renew!

Coming next issue: Full coverage (on DVD and Newsletter) of the Zenith Builders Banquet and the Zeniths to Oshkosh events at EAA AirVenture…


Added by Zenair News on June 24, 2011 at 10:00am — 2 Comments

How difficult Are Zenith Floats To Build?

Since posting pictures on this site I have had lots of requests for information, and pictures of my 1450 Amphib. float build.

Zenair has an instructional web page set up just for this purpose.http:// . It is sort of hidden away unless you are looking for it. Go to this page and look over the instructions for both the "parts kit" and "pre-drilled kit". You will notice the…


Added by Bob McDonald on June 23, 2011 at 3:46pm — 3 Comments

Update - Authorization for Special Issuance of a Medical Certificate

Went in for my flight physical on June 27th and passed. All my data was current with the FAA and I was issued a temporary Third Class Medical Certificate valid until the FAA sent a letter with the requirements to maintain the Special Issuance.

The letter arrived yesterday and I have been granted a 6 year Authorization for Special Issuance of Medical Certification, expires 2017. They have also changed my requirement to submit data to every 24 months to coincide with the flight…


Added by Jake Reyna on June 23, 2011 at 12:00pm — 10 Comments

Traveling to Oshkosh- Places to Stay along the Journey

Hey guys,


I'm planning on traveling to Osh from Dallas/FW Texas.  I'd like to suggest that we should all communicate with each other as to who might have a place to park a plane, or who might have a place to park a person for the night while traveling.  My biggest concern with this trip is getting stuck in weather.  If anyone is available as an emergency destination, or just willing to host a couple travelers Zodiac builders between DFW-Tulsa-Columbia MO-Brodhead WI-OSH…


Added by Michael Herder on June 20, 2011 at 9:03pm — 2 Comments

Dynon Autopilot Installation

I have a Dynon D-10A,SV-32 roll servo, SV-32C pitch servo, Dynon HS34 to connect my King KLN-90B GPS.  I connect thru the ARINC data channels(Dynon com speed set to slow). The HS34 allows you to set the heading bug, altitude, and baro.  I track a GPS course, Heading bug, or GPS Nav for flight plans and it climbs/descends to altitude bug.  Calculated winds aloft are shown on the HSI page display.  Dynon sensitivity in Roll and Pitch is set to 25 (highest).  In thermal environments, with +-…


Added by Gary Ray on June 20, 2011 at 12:07pm — 1 Comment


I spent the day looking over the old solid rod throttle setup that has been badly worn in my 601hd

but it works

I was hoping someone might have the setup for the newer throttle cables I need double throttle controls inside for training whats the hookup look like?

I presently have two of spruces twin cable throttle controls made for the rotax  but not sure how to connect both to the throttles levers.nice a clean




Added by James Peach on June 19, 2011 at 9:50pm — 2 Comments

Cleaning the Canopy for the First Time

The canopy on my Zodiac was coated with engine oil which had been sprayed by the prop blast during initial run-up testing.  On top of this oil was several months of accumulated garage dust, grit, and debris.


I've noticed a rather disturbing tendency for visitors to rub the canopy in what I believe is simply an instinctive desire to make a clean spot.  Given that it's summer now, there are more people stopping over, and more people wanting to reach over and wipe off part of…


Added by Patrick Hoyt on June 19, 2011 at 9:46pm — 1 Comment

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New from Zenith:

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for your Zenith

Custom instrument panels are now available directly from Zenith Aircraft Company exclusively for Zenith builders and owners. Pre-cut panel, power distribution panel, Approach Fast Stack harnesses, Dynon and Garmin avionics, and more.

New Custom Upholstery Kits for your Zenith Aircraft:

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