How much efficiency gain is possible?
We have stated that a crankshaft connecting rod device
in a petrol engine is approximately 65% efficient
matching the mechanical device and cylinder pressure to
an output shaft. We have calculated that our Revetec
engine bottom end design is approximately 85% efficient.
This 20% gain means that utilising a late model
automotive engine cylinder head, and optimising the
design, it is possible to achieve an efficiency level of
approximately 50%. This type of figure has been viewed
as unachievable in the industry. Similarly, the Revetec
engine design can improve efficiency on diesel and other
type fuelled engines and/or other reciprocating to
rotational transfer mechanical devices.
The Revetec engine performance profile.
The Revetec engine is not just highly
efficient. The performance and acceleration is
outstanding. During all dynamometer testing we have
experienced an excellent torque curve due to the early
and prolonged torque lever produced. In tests using
asymmetrical Trilobes, we have achieved almost 90% of
peak torque from the earliest in RPM we could start the
dynamometer tests. The X4v2 aviation engine with
asymmetrical Trilobes achieved 180Nm of torque @1,300rpm
with a peak torque of 203Nm@3,000rpm.
Similarly, our previous 1.35litre automotive boxer
engine produced 125Nm@2,100rpm with a peak torque of
138Nm@3,700rpm which equates to approximately 90% of its
peak torque. |
Dynamometer graph of the X4v2 Prototype engine |
