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  1. A

    Bosch Points Ignition to CDI Conversion?

    Hi, do you think is possible to go from breakers to flywheel/cdi on 462UL using components from other sled?
  2. A

    Rotax 582Rave engine

    Hi, time for a friend to overhaul his 582, do you think using 583 rave cylinders with no other modification doable and would bring some gaz mileage improvement?
  3. A

    V Twin liquid cooled engine

    I'm not so sure it's not the same , same stroke/bore ... either same factory with rebadging either perfect clone (same cranckshaft and cylinders parts can be used for both) BRP HISUN I notice that the VTwin configuration with mecanic redrive doesn't seem to have the damper to absorb torque...
  4. A

    V Twin liquid cooled engine

    here is the thing running in ATV https://youtu.be/9keS0DDveJ4 quite a bit amount of noise / vibration Hard to be sure it can be put on a firewall, adaptation requires at least a serious additional flywheel to reduce vibrations
  5. A

    V Twin liquid cooled engine

    Sorry but I bring ZERO interest in this "$15,000.00 range" M09 engine. This CN VTwin is 5 times cheaper , a little lighter, very widely used basis. So yes, it starts to wake my interest M09 is Ducati type engine (known for reliability issues) , 200cc more (=more vibrations on a structure that...
  6. A

    V Twin liquid cooled engine

    I think the only existing way to attempt piercing in a very closed market when you are unknown is to have a flying test aircraft in the countries you wish to sell, by delivering 2 or 3 engines to people accepting mounting and testing them , and sharing videos. Then even should be payed to try...
  7. A

    V Twin liquid cooled engine

    sure, or on a round cowl (kitfox can have it) But if admission intake is modified in such a manner that top of cylinders represent highest point I think it may fit under most tractor ultralights. Would have to be compared to 582 for instance Some guzzi (VTwin) engines have worked fine in 2...
  8. A

    V Twin liquid cooled engine

    that's right , engine after just a little browsing seems to be HiSun-Massimo-Bennche UTV broadly sold in USA already , same as BRP/ rotax (same factory?) very promising indeed, what about vibrations, as we may fear in a big VTwin configuration ?
  9. A

    V Twin liquid cooled engine

    ICP M09 never went flying ... beside beeing too heavy actually I'm quite surprise by announced weight for this chinese VTwin .. 57kgs includes gearbox? I doubt a little
  10. A

    V Twin liquid cooled engine

    Hi, this V-Twin seems a nice conception But regarding height, propeller axis comes too low for most tractor ultralight applications. Isn't there a 2 floors PSRU , with more height? or at least a intake manifold directed backwards? As for the redrives , you don't make a direct adaptation to...
  11. A

    Rotax 582 exhaust

    @Armilite really really great summerise of situation. This is the software I intended to use, and I could'nt find the required parameter Also regarding admission diagrams, wouldn't it be possible to change it? I see many carbon rotary plates to sell with all opening/durations. Maybe the...
  12. A

    Rotax 582 exhaust

    actually yes, most common formulas include this parameter same from 462 to 582...
  13. A

    Rotax 582 exhaust

    hello, I can't find exhaust port dimensions and timing values of 582, in order to make a exhaust model calculation Has someone an idea of single pipe exhaust efficiency? Is there something to gain compared to OEM smoke box in terms of fuel efficiency? Seems that this exhaust is well adapted for...
  14. A

    Reinforced Rotax 582 crankshaft and replacement pistons

    Hi rich, is that the same ref 09-772 moly coated SPI , ceramic coat is not specified is it when they say "hard crown"?
  15. A

    277 Rotax Crank Gear

    Lynn, I sent on purpose to unbolt gearbox and take a picture, wouldn't it be just for correction that you answer my email?
  16. A

    277 Rotax Crank Gear

    Hi, I sent you email
  17. A

    Big monocylinder adaptation ?

    I wonder how tricky it can be to redisign a crankcase : in theory this is the best solution : this removes useless gearbox , makes front provision idel for a redrive plate, rear/base for fixation points On would need to adapt all existing accessories for a 4 stroke (water pump , oil pump) ...
  18. A

    TechPro Aviation MERLIN 100 UL & ML .. and issues

    landing gears , doors (composite) , wings
  19. A

    TechPro Aviation MERLIN 100 UL & ML .. and issues

    I know there is already Saulius topic about it , but I can't answer on his.. I ordered 2 kits more than 1 year ago now , went to pick them directly in Czech rep (3700kms trip total) , and now still waiting 3 monthes after to get missing parts (mostly engine mount and controls...) I waited a...
  20. A

    Big monocylinder adaptation ?

    interesting ... any idea of the weight (without gear box : this one unfortunatly seems to be dependent ) edit : guy selling a block on ebay says "around 150lbs" ...
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