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  1. Revetec : “Or do they hope to overcome problems...

    Revetec : “Or do they hope to overcome problems at a later date?”

    Revetec knows better than anyone else.
    Unless Revetec applied for a patent with all problems solved.




    Revetec: “So how...
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    Revetec: “So how much more power? It is now 5...

    Revetec: “So how much more power?
    It is now 5 years since the Patent was lodged on a camshaft design. The engine tacho shows it goes to 9,000rpm, so the engine is running. How about posting a dyno...
  3. Regarding the GRECO I3...

    Regarding the GRECO I3 (www.pattakon.com/greco/Grecoi3.exe ).
    It is interesting that the initial simple design used to demonstrate the parts of the engine and their interrelation during motion, was...
  4. I have to thank the whole Revetec team for their...

    I have to thank the whole Revetec team for their work on Pattakon’s projects.
    The only that worries me if their findings are not the worst flaws of Pattakon’s projects.
    Please continue the good...
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    I spent a few hours thinking on how to “prove” I...

    I spent a few hours thinking on how to “prove” I am not an elephant. I cannot.
    I was surprised by the “level” of taik’s arguments.
    If taik is not a real person, then he is invented by a...
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    CMC’s design seems simple but is not adequate. ...

    CMC’s design seems simple but is not adequate.

    They have thrust loads on the piston skirts: as long as the crankpin is at an angle (piston not at TDC), the double piston is supported by the square...
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    Regarding the Pulling Rod Engine ...

    Regarding the Pulling Rod Engine

    http://www.pattakon.com/tempman/ppe_honda6.GIF

    http://www.pattakon.com/tempman/ppe_honda4.GIF

    http://www.pattakon.com/tempman/ppe_honda5.GIF

    To achieve...
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    Revetec’s Law of Aspiration “Any engine with...

    Revetec’s Law of Aspiration

    “Any engine with connecting rod to stroke ratio more than 1.7 cannot breath efficiently. The only way is the supercharging.”

    A good evidence, according Revetec, is...
  9. Copy from a post to another forum: “A few...

    Copy from a post to another forum:

    “A few months ago I found this picture in Trek Aerospace web site.

    http://www.pattakon.com/tempman/trek.JPG

    According their technical data: there is a...
  10. Light version of Pattakon VVA part 2

    part 2


    The cylinder head modification includes :
    a bearing cut on the aluminum, for the intake control shaft,
    two back bearings/supporters between the intake pivot shaft and the control shaft,...
  11. Light version of Pattakon VVA part 1

    Light version of Pattakon VVA on Honda B16 / B18 VTEC engines.

    Why light version?
    Cheaper.
    Easier to apply.
    Use of the existing VTEC system for the control of the exhaust valves’ lift and...
  12. Initially I was accused for lack of courage to...

    Initially I was accused for lack of courage to present Pattakon’s projects in an open forums (this specific thread was opened not by me, but to challenge me) and now I am accused for “spending too...
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    For the balance shafts, let the audience judge...

    For the balance shafts, let the audience judge who is what.

    I did wrote:
    “Pneumatic, in a self defence post, said he is an engineer.
    From Revetec’s posts and mistakes I suppose Brad is not. Is...
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    The only thing I did not heard is an answer to my...

    The only thing I did not heard is an answer to my strictly technical questions:

    Is the Boxer Revetec project phased out?

    Is there a car with a Revetec engine for tests?

    Are all hopes on...
  15. Because Pattakon is in dept to nobody, it’s up to...

    Because Pattakon is in dept to nobody, it’s up to Pattakon to decide when and what to put in production.
    Soon, I can say.

    The VVA prototype cars are on the road for long time.
    They are...
  16. I copy Revetec’s complete initial reply to my...

    I copy Revetec’s complete initial reply to my first post regarding Pattakon GRECO engine:


    Dear Manolis,

    This company doesn't know anything about breathing. Any engine of this kind has a...
  17. Some of Pattakon's Patents

    Pattakon Variable Valve Actuation patents and patent applications:

    Variable Valve Gear:
    1st Priority: GR20010100295
    1st PCT Patent Application: PCT/GR02/00035
    US Patent: US 6,892,684...
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    Strictly Technical, Balancing X4: “1stly is...

    Strictly Technical, Balancing X4:


    “1stly is is advantageous to have the output shaft inline with the centre of the engine. Having a propeller or flywheel offset is not suitable for most...
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    Strictly Technical, Balancing X4: “Thanks...

    Strictly Technical, Balancing X4:


    “Thanks for your comments but we have been developing this engine for 10 years and we have laid out the engine that way for a reason. 1st: as I before mentioned...
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    Balancing X4 Revetec In case the two balancing...

    Balancing X4 Revetec

    In case the two balancing shafts are also the synchronizing shafts and one of them is the power/output shaft, the engine has four less bearings (and less friction), two less...
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    X4 airplane engine: The 1st order balancing...

    X4 airplane engine:

    The 1st order balancing shafts with their gear wheels can also act as synchronizing shafts.

    One of them can be the output shaft, too, as the ratio is what has been already...
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    A friend (thanks) sent me the following e-mail...

    A friend (thanks) sent me the following e-mail today:

    “Revetec are making some pretty bold claims now. Thought you might want to check it out.”

    I read the new (last two months) posts. Nothing...
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    Brad, Just in case X4 is going to fit into...

    Brad,

    Just in case X4 is going to fit into this bike:

    http://www.pattakon.com/tempman/X4_head.GIF

    Thanks
    Manolis Pattakos
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    Brad, Using push rods and side camshafts (how...

    Brad,

    Using push rods and side camshafts (how many camshaft? where located? how many valves per cylinder?) is not a step ahead, I think. If you can achieve good aspiration, high revs limit etc...
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    Brad, As regards your plot: Just think of...

    Brad,

    As regards your plot:
    Just think of going from a town at sea-side to a village on the mountain. Think how many times you use 4th gear or 5th gear in your gearbox (maybe none). Think how...
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