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spenaroo

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About spenaroo

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    Well-known member

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  • Aircraft
    student pilot
  • Location
    Bayswater (melbourne)
  • Country
    Australia

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  1. instructors are still allowed to fly to keep ratings. there was some pics of the instructors in the Lilydale vixxens on Facebook.
  2. Good point, not to mention the problem is also a tunnel with clear entry and exit paths. All our tunnels seem to be in city's to bypass city traffic. The tunnels in Melbourne are all 3 lane, as is the one exiting Adelaide.
  3. It all depends how you lift a bike up, if you use the proper technique and maximize your leverage its possible. back when I worked at a Harley dealership we did ladies only nights. one of the activities was putting a bike on its side over rubber matting. demonstrating the proper way to lift. and then getting a lady from the crowd to then lift it by herself.
  4. The Vought F-8 Crusader (originally F8U) is a single-engine, supersonic, carrier-based air superiority jet aircraft built by Vought for the United States Navy and United States Marine Corps (replacing the Vought F7U Cutlass), and for the French Navy. The first F-8 prototype was ready for flight in February 1955. The F-8 served principally in the Vietnam War. The Crusader was the last American fighter with guns as the primary weapon, earning it the title "The Last of the Gunfighters". The RF-8 Crusader was a photo-reconnaissance development and operated longer in U.S. service than a
  5. well done, congrats on the achievement
  6. spenaroo

    GAF Jindivik

    the Pika seems like such a cool thing to fly, anyone have any information from what it was like?
  7. Doesn't matter.... Registration is on the side of the aircraft. But the tunnel cameras are all forward or rear facing
  8. thats something I did when learning to hold-off. went into the flare and was told to add just enough power to keep the wheels from touching, have done it a few times to get my eye in and used to the feeling. so im not as nervous of the ground. but doing it at cruise speed is something else
  9. and this is an example of the different water jackets, here is a ZX14 cylinder and a STX15F which is the PWC version of the engine admittedly the pictures are awful. but you can see the larger porting for the water to run through. my wording wasn't the clearest, I meant thinner walls of the water jackets.
  10. Yes, coolant has many protective qualities with preventing corrosion and anti-freeze but it also helps with heat, if its not boiling - its not building up pressure for the radiator cap to take effect. distilled water is fine for casual track bikes as they don't sit idle and always have airflow through the radiator to keep the temps under control. you wouldn't want to ride one in traffic though. the proper race bikes will run a non-glycol based coolant, so they get the benefits of the higher boiling point without the drawbacks of slippery messes on the track when it all goes wrong. t
  11. Not saying it cant be done - there are a few one-offs in racecars. but its so much time and effort, and almost done exclusively simply because they wanted to engineer something different. or its a backyarder that had the engine there already.
  12. okay let me put this another way, Rotax are owned by BRP. BRP also own Evinrude, Johnson and Sea-Doo If it was as simple as modifying the marine engines to an aircraft - wouldn't you think they would have done it so save millions in research. ive seen plenty of motorcycle engines marinised for PWC's. but only the Konig done the other way around. with the exception of a few one-off drag bikes... but they had problems with the cooling system and cooked the motors after a few minutes total run time despite electric pumps and large radiators. the engines are designed for const
  13. Cooling will be the bike issue, same problem with adapting an outboard to power a motorcycle. "Outboard motors are cooled by water circulated from the surface they are racing on, which means the coolant temperature is always low and heat can be dissipated quickly. This isn’t the case with liquid cooled land-based engines, which re-circulate the coolant through a radiator. Temperatures are controlled, but the coolant remains relatively (scalding) hot – if the coolant passages and water jackets aren’t designed to deal with this elevated temperature you run into problems... Which is exactly
  14. oddly enough I want to go in the opposite direction, had a 1999 NB, still my favorite car I've owned and the one I should have never sold. (full exhaust, cold air intake, reinforced fender arms, reinforced chassis rails, reinforced transmission crossover, strut braces, roll bar) I want to get a sprite. because its still an affordable vintage car, and I reckon they just look like fun.
  15. would you rather fly a spitfire or a cirrus jet? would you rather have an Ferrari 308, or a modern hot hatch? the newer stuff is far more functional and performs better.... but it doesn't have the same emotional appeal
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