Recent content by LuPi

Major change of plans, I switched over to a four throw four cylinder; which is similar to a flat subaru turned 90 degrees, which is another major change to 90 degrees from 75. Also, it's a 500cc (mission creep anyone?) Other than that, I deleted the straight through passages instead...

The V style is for lowest weight and compact size (lengthwise) as compared to I4. It also allows Bi-turbo architecture which appeals to the packaging. These engines are intended to be hung in nacelles on planes. Or alternatively in light motorsport vehicles. The frontal area is slightly...

The bore is 5cm and the stroke 3.75cm, 295cc displacement. The whole engine minus radiators is about the size of a 20cm sided cube. It's the Goldilocks engine, too big for here, too small for hot rodders. LuPi

Hello, I'm working on designing an aviation motor for low emission hydrogen fuel. It's a Dry-deck Magnesium Block 75* V4 24-OHV 8 spark plug engine with dual redundant systems. Couldn't find a forum on building engines for aviation use so I rejoined here, knowing how helpful you all are.