Jan Eggenfellner
  • Male
  • Edgewater, FL
  • United States
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Jan Eggenfellner's Discussions

The Viking fuel system is now universal to most injected light sport aircraft engines and is available in different sizes.

Started Jun 11 0 Replies

The Viking fuel system is now universal to most injected light sport aircraft engines and is available in different sizes.  Continue

Gasoline Direct Injection Advantages

Started Jun 8 0 Replies

It has not really hit the aviation community yet how many advantages a Direct Injected Engine has. It is a perfect match to high output, low fuel burn, high compression, advanced ignition timing,…Continue


Jan Eggenfellner's Page

Latest Activity

Jan Eggenfellner posted a discussion
Jan Eggenfellner posted a discussion

The Viking fuel system is now universal to most injected light sport aircraft engines and is available in different sizes.

The Viking fuel system is now universal to most injected light sport aircraft engines and is available in different sizes.  See More
Jun 11
Jan Eggenfellner posted discussions
Jun 8
Jan Eggenfellner posted a discussion
Jun 3
Jan Eggenfellner posted a video

Make Painting your Homebuilt Aircraft Easier with a Rotating Fuselage

Preparing the surface, priming and painting a fuselage involves being able to reach all surfaces comfortably. This usually means laying on your back, hanging...
Jun 3
Jan Eggenfellner posted a photo
Jun 2
Jan Eggenfellner posted a discussion

Much more about the incredible advantages of direct fuel injection of aircraft engines shortly - for now:

Some real word numbers - If you ever wondered what the hype about "Direct Injection" is all about, take a look at the TOTAL fuel usage for the entire flightAlissa, Attached is the flight data, in spread sheet form to share with Jan, which I mentioned to you yesterday for our Zenith STOL CH750.…See More
Jun 1
Jan Eggenfellner posted a discussion

While this is not necessarily unique to Viking engines

Be sure to NOT use an O2 sensor with the Viking engine.  It does not use one:)O2 sensors are used for initial engine tuning and for low power feedback on cars operating at 40% power and less.  They are not used on any of the closely tuned Viking engines as delivered.  See More
May 30
Jan Eggenfellner posted a discussion

Comparative Zenith performance with different engines

We will show available info regarding comparative performance of Zenith aircraft equipped with different engines.  POWER NOW OR POWER LATERNot all aircraft engines can practically produce the HP they claim. Propeller pitch and Exhaust Gas Temperatures during takeoff are usually sited as reasons. So, when you need the HP the most, the advertised power is not available.  A UL representative is saying the 130hp model engine is not sold to deliver 130hp and that a larger engine should be purchased…See More
May 27
Jan Eggenfellner posted a blog post
May 16
Jan Eggenfellner posted a discussion
May 9
Jan Eggenfellner posted a video

Hindmarsh Island Flights

Scenic views of Hindmarsh Island, South Australia from a new kitbuilt Zenith 750 Cruzer. Engine; Viking 130. Home airfield; Goolwa. Video speeded up and quie...
May 9
Jan Eggenfellner posted discussions
May 2
Jan Eggenfellner posted a discussion
Apr 14
Jan Eggenfellner posted a discussion
Apr 10

Profile Information

Aircraft Model
STOL CH 750, CH 750 Cruzer
Project Status
Building From
Engine installed (or plan to install)
Your website (about your aircraft...)
Building Experience
Have already built an airplane
Flying Experience
Commercial / CFI
Building and Flying Info / Your Profession / Other Background Info
I am the owner of Viking Aircraft Engines. I enjoy building Zenith aircraft.
Home Airport (ie. KMYJ)

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Jan Eggenfellner's Blog

Install an engine

Posted on May 16, 2019 at 5:38pm 0 Comments

John Heather Viking Powered Zenith Cruzer First Flight!

Posted on March 28, 2019 at 5:30pm 2 Comments

http://www.youtube.com/watch?v=KtJtXfx3urc&feature=youtu.be See it Fly!

Everyone please congratulate John Heather on his first flight with his Viking powered Zenith…


Flying with hand controls this summer

Posted on March 8, 2019 at 9:00pm 0 Comments

Flying with hand controls this summer

Zenith SD cowling completed

Posted on March 3, 2019 at 8:01pm 0 Comments

Comment Wall (7 comments)

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At 7:50pm on March 27, 2019, Johnny D Wright said…

Hi Jan

I sent another msg via Zenair Forums....You have add me as a friend i think.


Johnny in the SOO

At 6:26pm on July 14, 2018, John Schaper said…


Has anyone put the 174 HP Viking Engine on the CH-640?

I'm considering building the CH-640.

At 9:24pm on July 3, 2018, James K. Allen said…

Thanks Jan!

At 10:11am on July 4, 2016, Lawrence A Anderson said…

Are there any 750 STOLs flying in in Alberta Canada with the Viking engine ? I would like to see one possibly go for a flight in it. I live in Stony Plain A.B. near Edmonton but could drive to see one PH # 780-963-9640 , Cell 780 984-5033 , email shlaww@xplornet.com.

At 2:59pm on January 2, 2015, Kurt Satter said…

Thanks for the vote of confidence.  Of course I haven't even seen my kit yet.  I pick it up on 01/19.   It will be like Christmas all over again ...

At 12:35am on January 2, 2015, Kurt Satter said…

Only 3 areas of the 701 build give me any great concern only because I have little experience.  I've done wood & fabric A/C before.  I had a Fly Baby with 65 Franklin just about ready for cover when Hurricane Katrina took it (and just about everything I owned).  We never even found any pieces.  As I my condo was just across from the N.O. Yacht Club, we figure the Fly baby is somewhere in the middle of Lake Pontchatrain.  I did manage to complete a 28 Hp Hirth powered MiniMAX 1103 in 2009.

I'd never done any sheet metal work so I took the EAA SportAir workshop and followed by the rudder-build workshop at the Zenith Factory.  I then placed my order for the 701.

I'm a retired Industrial Engr. Prof. (shopfloor automation), but the wing-root compound curves look tough and the cabin area (doors & glass) as well.  I ordered the folding-wing option and so far the plans seem sketchy at best in that area. 

Finally, my comment as to the Viking install.  I'm more than sold on the engine (deposit to get in the build queue will be sent later this month).  I don't believe the installation itself should be a problem, I'm just not an electricals guy and the panel itself is a bit worrysome, but I'm sure I'll work it out.  I do see that I have the installation services to fall back on.

At 12:35am on December 31, 2014, Chumphol Sirinavin said…

How can I place an order for a set of steel bungee?



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