All Blog Posts (1,481)

A new CH750 flying in Alaska

I had the pleasure yesterday to issue a Special Airworthiness Certificate to Jack Schnurr of North Pole, AK on his beautiful CH750 using the Continental C90 engine and 2 blade composite Sensenich prop. Jack did a fine job and I look forward to a ride with him when he completes his 25 hours of test flight time.

Michael Heit A&P IA / DAR-T

Added by Michael Heit on April 18, 2014 at 1:26pm — 1 Comment

CH750 CruZer Group

I am building a CruZer here in northern Minnesota.  I wonder what is the link to join the CruZer group on Zenith Builders site. I have searched the link provided but haven't been able to find the group.

The project is going nicely.. to date the rudder,tail assembly and rear fuselage are complete and the cabin should be done early this week. To date we have 440 hours into the project. Now we are dependent on parts acquisition from the factory.

I would enjoy hearing from…


Added by Stephen L Towle on April 12, 2014 at 7:34am — 7 Comments

jabiru 2200 engine

HI , is anyone using a jabiru 2200 engine on a ch 701 on floats , and if so how is it performing THANKS

Added by derek power on April 9, 2014 at 4:09pm — 1 Comment

Help - Metric Fittings For Rotax 912

I am now at my wits end. Rotax deliver their engines in the USA fitted with AN oil and fuel connections and that is what my FWF kit comes with.

For the rest of the world Rotax deliver the engine with "metric" connections for the fuel pump, fuel rail and oil tank - which is what was delivered to me here in Australia.

Only problem is that no one seems to be able to tell me exactly what standard of "metric" Rotax uses. there is bound to be a European (or DIN) spec for what… Continue

Added by Geoff Klestadt on April 7, 2014 at 8:54pm — 2 Comments

Bending Brake

Spent the last two Saturdays building a bending brake using a slight modification of Dave Clay's terrific design. To mount it, I had to bolt a 4x4 to the front of my bench as mine doesn't have the overhang that his apparently has. I used 4 foot pieces of angle iron in its construction and my handle legs are 12 inches long and sticking out straight, whereas, I think, his are 18 inches, and angled. Anyway, it works great as I had my wife bend the first test piece. Next weekend, back to building… Continue

Added by David A. Judkins on April 6, 2014 at 5:58pm — No Comments

Cleaning Aluminum

To clean non-painted skin on your plane, what do you use, that doesn't leave much residue or attack the aluminum?

Thanks, Thomas

Added by Thomas Spickermann on April 6, 2014 at 5:34pm — 3 Comments



Added by greg frank on April 3, 2014 at 10:14pm — 4 Comments

Rotax 912iS Sport Announced

Looks like there is a significant upgrade available for the 912iS. It is now called the 912iS Sport. A new airbox and software upgrade (plus a few other minor goodies) result in a higher torque curve. It looks like the parts are free for a limited time for those of us that already have the iS engine. Yay for Rotax! I'm pumped!…


Added by Joe Harrington on April 2, 2014 at 2:26pm — 3 Comments

Tank leak test

Thread sealed the return fitting and tightened up.  Removed the tank from the wing, added a small section of fuel line to the return and clamped it off.  Clamped the end of the main line too.  Added 20 litres of unleaded to test (placed the tank in the carport next to the car, figured after the test I can just drain it into the car!)

Seems to be no leaks around the fitting at the moment, will give it a full 24 hours or more just to make sure.

Received the…


Added by Marty de la Motte on April 2, 2014 at 12:37am — 2 Comments

Pop riveter magic

I finished riveting the tail today. Am waiting for fuselage to ship. Super easy to build. Almost no parts. Didn't spend many hours. Didn't keep track. Not a record keeper. I have the green inline pneumatic rivet puller. I finally figured 50 psi and an adjustable air flow restrictor valve allows the rivet gun to square itself to the rivet head before snapping it off. With full 90 psi and full flow the rivet is pulled almost instantly, with no ability to control the gun before, during, or…


Added by Lyndon Robert Leining on March 27, 2014 at 8:08pm — 2 Comments

Viking Aircraft Engines to Sun N Fun

Viking has a new forum here: Viking forum with Zenith firewall packages

Get your "Half Off" CruZer engine firewall forward engine package during the Sun N Fun airshow. Viking will be in space 

N-068, N-079


Added by VIKING AIRCRAFT ENGINES on March 27, 2014 at 7:15am — 1 Comment

Snohomish County, WA

To say the landslide near Oso is tragic is an understatement. This is only a few miles from my home field of KAWO.

I know this area well. This is the river (Stillaguamish) where I land gravel bars. These are the mountains where I fly. It hits home big.

Currently my home airport is now the center of the rescue and recovery efforts.

If you have watched any of my videos then you know this area too.

Added by John Marzulli on March 26, 2014 at 10:28pm — 2 Comments

Conduit in wing

Based on some excellent suggestions from others, I bought some lightweight 7mm corrugated conduit (used to tidy up wires in car engine bays) with clamps to suit.

My wife assisted in running a lightweight string through the conduit, I then installed it using some home made 0.025" brackets and taped the ends of the string to the root rib and tip spar.  Now, if I decide to install tip lights, just a matter of taping the wires to the string and pulling them…


Added by Marty de la Motte on March 23, 2014 at 9:32pm — 1 Comment

More ski building/flying...

I finally got our "Fat Boyz" skis (modified from Bob MacDonald's plan set) finished and have now flown about 4hrs and done about 25 landings in everything from perfect 4" of snow on good base to about a foot of powder and some hard packed and they performed rather well in all conditions. Best of all, there was very little loss in cruise speed. Having built now several sets of skis I can only recommend to buy a set, it's probably cheaper and certainly faster. Next, while I love the 5 minute…


Added by Willy Trinker on March 21, 2014 at 2:30pm — No Comments

Skis for Dummies or Confessions of a Slow Learner

                                                               Skis for Dummies 


                                                     Confessions of a Slow Learner


Having completed the CH750, flown 130 hours in 6 months, and having builder’s withdrawal, I was getting the itch to build something. Wanting to expand my…


Added by Rick George on March 18, 2014 at 9:30pm — 12 Comments

Hints for Homebuilders video series from EAA

Roger and I recently completed a series of short how-to videos for the EAA Hints for Homebuilders channel, a builder resource available to EAA members.  Charlie Becker, EAA Director of Communities & Homebuilt Community Manager, and Jim Soyk, EAA Senior Videographer and Editor (pictured below) visited us at the…


Added by Sebastien Heintz on March 18, 2014 at 2:56pm — 8 Comments

Support the General Aviation Pilot Protection Act

U.S. Senate Introduces GA Pilot Protection Act, Companion to House Bill

EAA - March 11, 2014 - Three U.S. senators Tuesday introduced the General Aviation Pilot Protection Act as a companion bill to one unveiled in the House of Representatives in December, which includes a provision…


Added by Zenith.Aero on March 14, 2014 at 1:30pm — 1 Comment

Workin' Alive!

Have to put in SOME comment about now, due to my kids constant "How's it going?"

Been working on the plane since 2010 every chance I get, which is few and far between. Enpennage: Done, Wings:90%(going to redo the fuel lines w/ stainless braided lines and AN fittings),Fuselage: Done(lacking marker lights) Gear: Done, Forward fuselage and cabin area: 50% Engine:all internals ready to assemble, waiting on heads to come back from shop. Firewall forward: in planning stage. Same for…


Added by David Muse on March 14, 2014 at 6:21am — No Comments

Wing tank in

Slotted in the Savannah tank last night.  Fits like a dream!  I made up a couple of brackets fitted to the ribs to support the rear of the tank, clecoed on the front brackets that bolt to the tank, and ran fuel line through grommets in the tank channel and rib #1.

The tank feels well supported and pretty much immovable, and the top surface looks like it will be very close to the top skin.  I'll run a straight edge over the ribs and pack out the top of the tank with cork strips or…


Added by Marty de la Motte on March 14, 2014 at 5:17am — 8 Comments

CH640 First baby step, arrival of "The Plans".

Please join me in the new arrival (3/12/2014) of serial #116. Just as a new parent years ago, I learned much from those who came before me. Any nuggets of knowledge/wisdom any of you would like to pass down to this beginner builder will always be much appreciated. I anticipate a three to five year plan to maintain family balance and participation. I feel lucky to be in the group of (640-er's). I believe this aircraft truly hasn't had the opportunity or exposure in the USA it… Continue

Added by Clifford T Hawrey, Sr on March 13, 2014 at 9:30pm — No Comments

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