Updated: 27-Jul-2019
The “AirCraft Engine Corp.” was the successor of ACE “American Cirrus Eng.” as from 1929. With the same range of engines for both companies.
“ACE LA-1”
-Like the LA-1 (Later known as Jacobs) that was air cooled with 7 radial cylinders, giving 140 hp at 1800 rpm and with 529 cubic inches of total displacement. It was directly coupled to the propeller without gear.
"ACE LA-1"
The author of this edition of Aeroengines AtoZ, through Aeroteca, collaborated on Version 2 of this video, which is presented here.
To understand the operation of the connecting rods, the 1929 Continental R 670 single-cylinder engine was chosen.
A demonstration of Version 3, improved at the author's suggestion, is also available on YouTube at a later date. This version shows bronze valve guides, improved valve spring movement, and the split crankshaft counterweights and front bearing balls also move.
The design is from Juan Soler, Sant Cugat, Barcelona
Below we show a flash of version 3
Counting also with the coloboration of JMC of Enginys Mecanics in Mataro, Barcelona