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  1. John Penry-Evans

    Belt drive

    - - Belt drives will work fine if they are designed correctly. There are 3 important things to consider: Belt drives should be Poly-V - groove of the correct profile / width / depth; based on engine power. Main redrive Poly-V belt tension should be kept to 30 Nm or less. Making sure that the...
  2. John Penry-Evans

    Redrives manufactured for [email protected]

    New waterjet cut parts for all our redrives. New wider pulleys for up to 46 hp engines. New - 4 different redrives to suit engines from 23 to 46 hp. [email protected] https://www.aceaviation.co.uk/redrives
  3. John Penry-Evans

    Redrives. Ace Aviation

    - - - > We also design different redrive pulleys for the various ratios and Hp on all of these engines: Briggs and Stratton 627cc and 993 cc, Predator 670. Redrives for all types of Kohler, Subaru and almost all other commercial V-Twins. Our manufacturing business is a part of "Ace Aviation", a...
  4. John Penry-Evans

    Redrives. Ace Aviation

    Redrives manufactured for V-Twins. [email protected]
  5. John Penry-Evans

    Ace Redrive for Yamaha Phazer engine

    > > > > An explanation of stresses on our "Ace Aviation" redrives. > > > Frequency shifting to prevent resonance is a function of several factors, a Jabiru famously melted a composite propeller under ground testing, and that had no reduction drive at all, being direct drive! Because so many...
  6. John Penry-Evans

    Ace Redrive for Yamaha Phazer engine

    - - - Hi Victor Bravo - - - Maybe you can email me? [email protected] Discuss our redrives.
  7. John Penry-Evans

    Redrive for V-Twins

    - - - - > More images of our redrives with easy to adjust eccentric shaft for commercial V-Twins. www.aceaviation.co.uk/redrives
  8. John Penry-Evans

    Redrive for V-Twins

    - - - > Universal redrive. Fits Commercial V-Twin engines: Briggs and Stratton, Predator 670, Subaru. Most other 627 cc to 993 cc V-Twins. Over 440 redrives sold world wide.
  9. John Penry-Evans

    ACE redrives for most commercial engines.

    -------> Recent 10 redrives for the V-Twin GK engines. GK make 61, 66 and 82 Hp versions.
  10. John Penry-Evans

    ACE redrives for most commercial engines.

    -------> Engine and redrive without fluids approx. 56 Kg`s. John Penry-Evans
  11. John Penry-Evans

    ACE redrives for most commercial engines.

    - - - > New Redrive for "Honda Silverwing". Made by Ace Aviatrioin. A British owned aero-sports manufacturing company at Ooty, India. This 50 hp engine is quite popular for ultralights and other light weight aircraft in the USA and Europe.
  12. John Penry-Evans

    Briggs vanguard conversions

    - - - Our redrives for commercial V-Twins. Also redrives for many other engines: Predator 670 cc, Honda Silverwing 600, Gaokin V-Twins (650, 800, 850 and 1000). All commercial V-Twins and singles. [email protected] www.aceaviationi.co.uk
  13. John Penry-Evans

    Ace Aviation Redrive: New model

    -------- > Alternator is build in. There is a sump at the bottom.
  14. John Penry-Evans

    Ace Aviation Redrive: New model

    ------- > Our standard Ace Aviation redrives for the GK engines are 2.32 ratio Engine RPM is 6,250 on all engines. So max prop speed is 2,693 rpm
  15. John Penry-Evans

    Ace Aviation Redrive: New model

    This is the GK engine. They now make three V-Twins. 61 hp, 66 hp and 83hp versions. We have developed redrives for these engines.
  16. John Penry-Evans

    Ace Aviation Redrive: New model

    ------ > Done the formatting on my message.
  17. John Penry-Evans

    Ace Aviation Redrive: New model

    Weight of an adapted GK 1000cc (83 hp)aero version of this engine should weigh no more than 70 to 76 Kg`s (154 to 167 Lbs). That is including our Ace Aviation redrive and all other parts like exhaust, pipework, radiator and engine mountings. The GK 800 and GK 850, 61 and 66 Hp versions weigh...
  18. John Penry-Evans

    Another Ace Aviation - Redrive for Honda Silverwing. 50 hp 4 stroke engine.

    You`re referring to the Honda commercial V-Twins? We also make redrives for these and most other commercial V-Twins such as: Kohler, Briggs and Stratton, Subaru, Generac etc. Here`s an image
  19. John Penry-Evans

    Another Ace Aviation - Redrive for Honda Silverwing. 50 hp 4 stroke engine.

  20. John Penry-Evans

    Ace Aviation Redrive: New model

    ------- > Most people get them through companies that make UTV / ATV`s in Taiwan and China. GK may not sell to individuals as they are a huge company that mainly supply to the many ATV / ATV manufactures over there. Advantage is that you will then be able to get their exhausts, electrical...
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