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582 exhaust

in 2 Stroke Technical Questions 12 years ago
Has anyone had any experiance with expansion chambers on a 582.I use to build them for 2 stroke
dirt and road bikes back in the seventies. Made a huge difference to power and fuel economy
The standerd pipes appear to leave a lot of room for improvement?

  • Re: 582 exhaust

    by » 12 years ago

    Yes they can gain power for sure, however there is no free lunch here. The trade off will be more high RPM peak power with a noticeable loss of mid range or cruising torque. Just like a pipe on a motocross bike the powerband becomes very peaky and non linear. Not what you want for an airplane that might get behind the power curve on a go around. The other issue is jetting and fuel consumption. Unless you are very good at jetting and willing to change often as temps change I would not recommend it. Many years of 2 stroke experience speaking here and I've been there and done it. Leave it stock and enjoy the reliability and wide powerband for a 2 stroke that is.
      
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  • Re: 582 exhaust

    by » 12 years ago

    Hi Greg,

    you got the same surname as myself... just wondering where you at?

    Same name
    Same interest
    Same vintage

    Bit of a coinsidence hey?

    Mike
      
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  • Re: 582 exhaust

    by » 12 years ago

    Hi Mike
    I own a dairy farm in Tongala. A small country town in northern victoria, Australia.
    The co ordinates are 36'14'33.62"S 144'58'37.55"E
    There are three planes parked in the sheds 2 Savannahs and 1 Sabre You can see our strip in the first paddock. Good to hear from you.
    Regards Greg
      
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  • Re: 582 exhaust

    by » 12 years ago

    Unbelieveable lol.

    I also have a 582 and I also live in Vic (Colac) and I also on a small farmlet with my own strip.

    Wow...thats amazing.

    Have a good one mate :-)

    Mike
      
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  • Re: 582 exhaust

    by » 12 years ago

    Hi Mike
    Give me a ring and we can catch up, 0428585573
    Greg R
      
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