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Siso

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  • Aircraft
    Nil
  • Location
    South Australia
  • Country
    Australia

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  1. I wander what sort of speeds they travel in China. Just thinking wind resistance etc.
  2. You are right, Twiggy is no fool, Milking all the government grants
  3. Using Europe as a comparison to our fuel prices over here is like comparing apples and oranges. They have a very good public transport over there with a road that is bitumen also normally has a bus run along it. You can catch a train and prices being less than $100 between country capitals. Our fuel needs be cheaper once you get out of the metro area. Often it is not.
  4. Using Europe as a comparison to our fuel prices over here is like comparing apples and oranges. They have a very good public transport over there with a road that is bitumen also normally has a bus run along it. You can catch a train and prices being less than $100 between country capitals. Our fuel needs be cheaper once you get out of the metro area. Often it is not.
  5. Would not bother me at all, then I could walk to work. Spent fuel is political and public perception problem , not an engineering one. Thought this was an oddball aircraft thread.
  6. Yes- Micro reactors are coming and it is a no brainer. Being developed for remote community's and mines in Canada. The main problem is that they need their 20 years worth of fuel from new.
  7. I reckon, back in the day they use to put carb in a box and pressurise the box. The floats would have neded modifying.
  8. As I understand a Cessna 172 came out with 180 hp verses the 5.7 in the VY commodore was about 320hp. You could derate the commodore to 250hp and still be ahead. I would think the V8 would be slightly heavier and would need a redrive. Looks like the commercially redrives are fairly expensive. You wouldn't need to allow for stress of the slip the foot of the side of the clutch pedal on some good bitumen either.
  9. Flight completed on Saturday 24/1 in a 20m sail plane.
  10. Head gasket problem solved. https://en.wikipedia.org/wiki/Junkers_Jumo_205
  11. Siso

    Tyre Pressure

    Hi Everyone. Just wandering what tyre pressures everyone runs in their 2 seat Thrusters? What sort of tyres do you run? (tail dragger)
  12. I reckon there was an australian drag engine manufacturer in the 80's that did the same thing. No head gaskets to blow. Were the early merlins the same?
  13. Not bad for the early to mid 30's though
  14. Windfarms have underground cables and it is a regular occurrence, mainly at the joints. It has been suspected that as sometimes the cables are running flat out and than not carrying anything at other times the heating and cooling cycles cause the cables to grow and contract and the joints the weakest point. The cables had 3 phases in them and the joints heatshrunk? together. We ended up splitting up the cables for several metres at the joints and mounted each phase a metre or so apart to a frame underground. This seemed to fix the problem as we only had one failure in the last 6 or 7 years I was there. There a transmission lines in Australia that run up to 500kV. Portland Vic heading back towards the coal fired stations. 132, 275kV are the common ones.
  15. On a normal disc brake caliper the square section o'ring pulls the piston back because it twists a bit when the piston moves through it.
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