4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus

Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus
Original Message Jan 4, 2012 7:09 am

Interesting design at the link below of a 4 stroke engine without valves. The valves are replaced with two pistons which act somewhat like reed gates to control input and exhaust flow to ports similart to a 2 stroke.

http://www.new4stroke.com/

Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus borat (Jan 4, 2012 9:29 am)
Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus trouts2 (Jan 6, 2012 5:59 pm)
Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus borat (Jan 6, 2012 6:17 pm)
Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus aa335 (Jan 6, 2012 6:43 pm)
Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus trouts2 (Jan 7, 2012 7:37 am)
Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus friiy (Jan 8, 2012 9:58 pm)
Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus trouts2 (Jan 9, 2012 10:13 am)
Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus bus708 (Jan 24, 2012 1:29 am)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus borat (Jan 6, 2012 6:50 pm)
  - Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus aa335 (Jan 6, 2012 6:57 pm)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus niper99 (Jan 4, 2012 2:58 pm)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus aa335 (Jan 4, 2012 3:54 pm)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus JimmyM (Jan 4, 2012 5:05 pm)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus borat (Jan 4, 2012 7:07 pm)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus trouts2 (Jan 5, 2012 7:53 am)
  - Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus trouts2 (Jan 5, 2012 12:25 pm)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus borat (Jan 5, 2012 8:57 am)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus royster (Jan 5, 2012 9:43 am)
- Re: 4 stroke with no valves, no oil reservoir, capable of 2 stroke rev's plus borat (Jan 6, 2012 1:41 pm)

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