Viking Forum (23)

Featured Discussions

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

What is a "REAL" light sport aircraft engine?

What is a "REAL" light sport aircraft engine? I was surprised to learn that many believe a "real" aircraft engine should not contain "unr…

Started by Jan Eggenfellner

1 17 minutes ago
Reply by Jan Eggenfellner

Engine Oil for AVGAS vs MOGAS

What is the recommended engine oil for the Viking 130 when running on 100LL? My understanding from Mike Busch of Savvy Aviation is that sy…

Started by Sam Warner

1 38 minutes ago
Reply by Jan Eggenfellner

The end of the air cooled engines

The end and limitations of air cooled engines  Honda 1300. Honda had been dabbling in microcars as a sideline to its fantastically-succ…

Started by Jan Eggenfellner

0 1 hour ago

Propellers and the Viking 130 / 180 - post your performance and pitch settings / propeller type

Some innovative propellers and the performance they provide: Pretend "Constant Speed" The innovative instant adjustable propeller…

Started by Jan Eggenfellner

5 22 hours ago
Reply by charlie rosenzweig

experience with different gearbox venting solutions

I would like to hear from people who have tried different ways to vent their gearbox.  I know Jan has used a few different designs in recen…

Started by charlie rosenzweig

6 23 hours ago
Reply by charlie rosenzweig

New Facebook Group About Experimental Aircraft Engines


Started by Jan Eggenfellner

0 23 hours ago

Viking 750 Super Duty with 130 or 180 engine

Started by Jan Eggenfellner

2 yesterday
Reply by Jan Eggenfellner

Real world Viking 130 performance posted here

Real world Viking 130 performance posted here SAMPLE ONE From a recent topic: "I'm looking for real-world impressions from the guys who…

Started by Jan Eggenfellner

2 yesterday
Reply by Jan Eggenfellner

Over Voltage Module

EarthX requires we install an automatic over-voltage protection (crowbar) for alternator type charging systems.  According to EarthX, "In t…

Started by Loren Warner

21 on Friday
Reply by Jan Eggenfellner

Viking Heater control valve?

For those of you that have the heater from Viking - did you install or are you planning on installing a control valve?  I don't really like…

Started by Jim Davis

6 on Thursday
Reply by Jim Davis


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