Search found 3 matches

by celinaaniston86
Thu Dec 15, 2011 4:00 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: Micro LTD Advice
Replies: 8
Views: 8166

Re: Micro LTD Advice

Oops! When I said the displacement ratio of Senft's LTD engine was 15, I quoted the wrong engine. The ratio he uses in N-92 hand held engine (designed for 6degC dT) described in his LTD Stirling Engines, is over 150 - nearer the ratios I've used for really low dT. Sorry to be so misleading when I m...
by celinaaniston86
Thu Dec 15, 2011 3:55 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: displacer design advice
Replies: 4
Views: 5239

Re: displacer design advice

Gamma kind engines have a displacer and energy piston, similar to Beta machines, however in different cylinders. This allows a practical finish break up between the warm exchangers associated with the displacer cylinder and the pressure and expansion work space associated with the piston.
by celinaaniston86
Thu Dec 15, 2011 3:38 am
Forum: Stirling and "Hot Air" Engine Forum
Topic: High compression
Replies: 19
Views: 14515

Re: High compression

Actually, a variety of pressure and warm. That's why they have gleam attaches to help to start the engine when it's cool. The burning time is then established by when the fuel is shot instead of spark plugs.