This could be interesting

[Kyle Communications]

Runs on JetA or petrol

 

Maybe just another pipe dream

 

 

https://www.ac-aero.com/swift-fl150/

[RFguy]

28k USD.
spec sheet
https://www.ac-aero.com/wp-content/uploads/2020/05/ac_FALCON_2020_R00_051820.pdf

 

https://www.ac-aero.com/technologies/#:~:text=The Higgs Diesel is not,Cycle Technology' (CCT).

 

 

Edited February 15, 2023 by RFguy

[facthunter]

The step piston is not a new idea. I think it was Dunelt who used it 100 years ago. The vee configuration gives good piston inertia flywheel effect continuity. Driveshaft outrigger bearing and dual idler gears is  nice..  Nev

[kasper]

45 minutes ago, facthunter said:

The step piston is not a new idea. I think it was Dunelt who used it 100 years ago. The vee configuration gives good piston inertia flywheel effect continuity. Driveshaft outrigger bearing and dual idler gears is  nice..  Nev

Like the Hooper stepped V4 - posted on here before but 

http://www.bernardhooperengineering.co.uk/spv580ds.htm

 

40hp and 18.5kg without redrive ... would have been nice to see that developed for microlights/ultralights and not just an MOD contract development without production.

[facthunter]

The transfer passages are lengthy. A backfire there might be destructive if there's fuel mix there.. There's many a slip betwixt Cup and Lip.  Nev

Edited February 16, 2023 by facthunter
spelling

[Old Koreelah]

On 16/2/2023 at 11:20 AM, facthunter said:

The step piston is not a new idea. I think it was Dunelt who used it 100 years ago. The vee configuration gives good piston inertia flywheel effect continuity. Driveshaft outrigger bearing and dual idler gears is  nice..  Nev

Norton were developing a Favel/Wulf stepped piston engine in the 70s. 

[onetrack]

Haven't we had this discussion only about 2-1/2 years ago? .....

 

https://www.recreationalflying.com/topic/36628-ac-aero-higgs-multifuel-engine/

 

[Thruster88]

The engine was supposed to be certified by now. It won't be a thing until Paul Bertorelli gives us a report having flown behind one.