Viking Forum (142)

Featured Discussions

Mike Wilson - Extraordinary Zenith builder and Viking Engine installer / Pilot

Mike has a CH-701, the CH-750 STOL, the CH-750 Cruzer and now building a CH-650.   They are ALL Viking powered

Started by Jan EggenfellnerLatest Reply

Viking Classifieds

Please feel free to buy/sell or trade any Viking related items here.

Started by Jan EggenfellnerLatest Reply

Welcome to the Viking Forum!

Welcome to the Viking Forum!  This is the place to post a topic that is specific to Viking engines or accessories such as header tanks or t…

Started by John AustinLatest Reply

Discussions Replies Latest Activity

Viking 90 Coolant hose connection

Im having a tough time fitting the coolant hose to the top mounting point on the engine behind the gearbox. (see image attached)  I'm told…

Started by Brad Payne

6 4 hours ago
Reply by Brad Payne

Airspeed and RPM vs Prop Pitch

Have done some more testing regarding Airspeed and RPM vs Propeller Pitch. Long story short, it's looking like the sweet spot for the prop…

Started by Patrick Hoyt

10 5 hours ago
Reply by Jim Davis

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 LA…

Started by Jan Eggenfellner

4 18 hours ago
Reply by charlie rosenzweig

So, can you fly an hour on about 2 gallons of gas?

FYI:More performance numbers for you. •Aircraft: Zenith STOL Ch 750Engine: Viking 130 HP•Whirlwind 68” Prop -pitch = 22 degrees•OAT: 81 de…

Started by Jan Eggenfellner

1 20 hours ago
Reply by Loren Warner



Started by Jan Eggenfellner

0 on Wednesday

use of a large capacitor

I was looking at a wiring diagram for a UL power engine and they recommend using a large capacitor (68,000uf) across the battery terminals…

Started by Randy Ferri

1 Jul 5
Reply by Jan Eggenfellner

300 hrs and still having fun behind a car engine?

300 hr and Still having fun behind a car engine?

Started by Jan Eggenfellner

0 Jun 21

Proper Shutdown process for a Viking

I'm working on my POH (I have not run my engine yet) and am working on the proper engine shutdown procedure. Is it better to shut off the…

Started by Brad Payne

2 Jun 16
Reply by Brad Payne

Weight and Balance for 750 Cuzer w/ Viking 130

I am getting ready for DAR and I went on the scales for the first time today. I drained the fuel in climb attitude and put it on the scales…

Started by Jonathan Fay

3 Jun 16
Reply by Steven M Bray

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.  

Started by Jan Eggenfellner

0 Jun 11


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