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Ultralights

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Everything posted by Ultralights

  1. YAY! please enter more than 10 characters....
  2. ill be there! not inverting the savannah though.
  3. Flying Bass Straight isnt that daunting, last weekend i crossed it twice, albeit in a Cessna 206 at 180Kts GS. from our cruise height of 4500ft, we could see an island of some sort at all times. and once on Flinders Island, its only a very short over water section to mainland tassie. to be honest, i am more concerned flying over tiger country west of Sydney and the snowy mountain regions. when crossing the straight, its all about preparation, especially the survival gear IF something should go wrong. water ditchings are quite survivable, and statistic show most are, but the waters of the straights are very cold. Also, dont forget about the overwater scheduled radio reporting. every 15 mins. though, at C206 ground speeds, we only ever made the initial report, and within the 15 mins we were over flinders Island. Via King Island, the longest overwater leg was from King Island to Victoria, about 60nm.
  4. Nothing wrong with overwater, but be aware of the rules and requirements in regards to Life jackets and life rafts. A flight of more than 30 mins over water at cruise speed, you need a life raft, for example if you have an aircraft that cruises at 120 knots, then you will need a life raft if the over water leg is greater than 60 NM. You will be required to carry and wear a life jacket if your over water leg of the flight is longer than the gliding distance to land. You will also need to meet this requirement regardless of the requirement for a life raft. if flying to Tassie, you can island hop down to Flinders, as every little piece of rock, is still land. and from 4500ft, you can see some form of land all the time.
  5. 600 ft vertically, and 4.9 NM horizontally.. not exactly a near miss, or a near anything! just a breach of regulated separation standards.
  6. so, thats what flying dog gets up to on his time off!!
  7. i have half of the oil cooler covered in winter, and 1/3 covered in summer... usually runs around 90degC it might see 11o max on a long climb max rate from sea level to 4500 ft, and will drop to about 60 on a long descent from about 5000ft to sea level. water temp and hence head temps are thermostat controlled and always at around 100degC,
  8. yep, great site. plenty of info, and all the manuals you need
  9. is the coolant cap the right rating? i had a similar issue when the cap seal wore out, i mistakenly replaced it with the wrong rated cap, and lost coolant slowly through the cap. got a new cap, and all has been good ever since.. i do have the ULS100hp though.
  10. or is it your wife to be hiding hints under the cowls tomo?
  11. im sure i will catch up with you there soon..
  12. <iframe src="//player.vimeo.com/video/26538393" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe> <p><a href="[media=vimeo]26538393[/media]">AirCam</a> from <a href="http://vimeo.com/user5658782">Kit Carson</a> on <a href="https://vimeo.com">Vimeo</a>.</p>
  13. just had another look at the pics, the prob looks like its well beyond its use by date,, nice gouge in LE of one blade, and another seriously cracked at the base... could be wrong though
  14. http://www.graysonline.com/lot/0001-3003674/motor-vehiclesmotor-cycles/ultralight-aircraft-challenger-ii-long-wing-built-2000?spr=true could go real cheap!
  15. Ill be there. flying in Saturday in company with another aircraft.
  16. when it comes to vacuum bagged parts, 1 ply usually equals 0.010 of an inch. plies required depend on the material, the weave, the resin, cure pressures, and temps. a carbon fibre 3 ply panel cooked to 500deg to cure, under 50 PSI will be far stronger than just 3 plies of room temp cured fibreglass. almost all structural composites on Boeing aircraft are cured at a minimum of 200 deg. engine cowlings, both internal and external, are upwards of 500 deg cures. you would be surprised at just how thin some panels are in structural areas. also not uncommon to see fibreglass plies over an aluminium honeycomb structure. Never bond carbon to aluminium, they dont like each other very much, if you do, the contact ply on the metal must be fibreglass or kevlar. again, steel fasteners only with carbon fibre.
  17. Didnt a Rotax powered pipistrel sirus fly over Mt Everest on its round the world trip recently?
  18. the 912 operators/maintenance manual has a possible cause, oil temps to low. i had the same issues coming into winter, 2 cylinders looked perfect, 2 a bit sooty. 2 pieces of tape covering about 1/3 of the oil cooler, all look perfect now. in cruise its best to keep the oil temps at 90 minium. my engine has 960 hrs on it now.
  19. Dont be afraid of going into canberra if your legal to do so, the controllers are there to help you, and tell them at first contact, unfamiliar with aerodrome, they will be even more helpful, and the experience will be well worth some minor embarrassment on the radio if you really stuff up. submit a flight plan helps a lot as well, llets them know your coming, or in lieu of a flight plan, ring them up.
  20. Elevators?
  21. How are the carbs mounted? the 912's in a savannah have a aluminium airbox, which is mounted to the engine, and both carbs, so in effect, the carby are supported from both ends, and move with the engine, i have noticed a lot of carbs just have a single air filter at the intake side, and the carby weight, vibrations and movement are all through the socket. these setups seam to have the most socket cracking failures. i have a spare set of sockets i bought at 300 hrs, ready to change if i saw any signs of cracking, now at nearly 1000 hrs, still no signs of cracks, but they will be changed shortly as the 5 year limit approaches. how much of a contributing factor in the cracking is caused by their setup and mounting?
  22. http://www.lockwood.aero/c-1-rotax-aircraft-engines.aspx abot $18,000 USD
  23. depends on the aircraft you want to own, some Raaus aircraft can fly from Melbourne to Brisbane non stop. Many owners fly all over the country, my aircraft will easily get me from Syd to Melb non stop. might take about 5 hrs though. others are good for short local flights, but are a lot of fun. all depends on your desires. A Savannah like i have, not very fast, but has quite a long range. but can land anywhere, something like a Virus SW100 could get you non stop from Melbourne to say Darwin or Perth at high speed. and something like a Drifter or Bantam will cost very little in comparison, but will be brilliant fun flying around Victoria with an open cockpit with the wind in your hair. as for what happens when you land, i usually call a taxi, or enjoy a walk if its about 2 or so Km's away. some people carry fold up pushikes. also, once you become fully licenced, and start flying everywhere, you quickly find the flying community is a very friendly bunch, and more often than not, will lend you a club car or their own personal car if you need a lift into a nearby town.
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