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Old Guy

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About Old Guy

  • Birthday 11/10/1952

Information

  • Aircraft
    Jabiru 120C
  • Location
    Greenwell Point
  • Country
    Australia

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  1. I was weathered in January with bushfire smoke and then heavy rain. With flooding forcast my Jab 120 had to be parked on high ground in a exposed position. The flood did go through at about 5 feet but the aircraft was several feet above that. I used 2 x pegs for the wing and tail points (star posts) in clay with a 30 degree spread using nylon ropes pulled taught. Brakes on full nose down trim. 2 storms went through over several days with continuous high winds and both had maximum recorded gusts gusts of 60+ knots. The aircraft was parked tail into the wind and did not move at all. Much to my relief. I had prepared myself for disaster but it all held tight.
  2. Some good information given above. I would also recoment using nylon rope of the correct strength. Nylon ropes have some give and stretch properties that avoid shock loads and last well in UV light.
  3. The Jabiru manual JTM001-9 details 100hry Control System Inspection at 5:13. Lubrication requirments are detailed at 5:14. No mention is made of lubricating flap and aileron pivots. When I attended a Jabiru maintenance course, several years ago now, I pretty sure I recall being told not to lubricate these pivots. So that is what I do. I just keep them clean. Mention was made of not overtightening the flap pivots. These are secured with nylock nots and should be tightened so that the bolt and nut can be turned freely during the preflight inspection. Well that is what the designer says
  4. I just came across a report published by the Mornington Penisular Shire Council in July 2017 called the Tyabb Airfield Precinct Plan. Among other things it details the approvals and conditions that the Airfield is operating under from 1965 to 2017. So I am not sure what the fuss is about. file:///C:/Users/John/Downloads/171707psc_att_21_1.pdf To me it reads like the approvals are documentented and well established.
  5. Jabiru recomends no additives. Ring them up and ask. After all, they designed, built and tested the motor.
  6. I think (from a scratchy memory) The change from "affirmative" to "affirm" happened in the early 1980's in Australia. I was working as a flying instructor at the time and it was understood that the change was made to avoid confusion with the word "negative" when receiving difficult to understand radio transmissions. I think it was an ICAO change at the time.
  7. HI, as mentioned in earlier posts, you should be spending some time with an Instructor who will analise your flying and help you get it right. If you want to, go to a different instructor for some revision. Some times a different style will make something more understandable. I just checked my a recent logbook summery and found I have time on 29 dirrerent types of aircraft. Obviously they will all handle differently but the basics are the same. It seems to me that you may be "overthinking" it. This is how I do it. As others have already said, in the circuit, my eyes are outside the cockpit. I use Airspeed and Altimiter to monitor my performance. Remember the "basics". Attitude controls airspeed and Power controls rate of descent (or climb). As I turn base I go for my approach speed, if I have the correct approach speed, during the approach I will get a good landing. I monitor Altimiter while on base to help me find the appropriate power setting. I aim for the magic 500ft but but am not too concerned if I am high. I do not want to be low. I was taught that after tuning final, to imagine the windscreen as a picture frame. Your intended landing point should not be moving up or down. Use attitude to hold your approach speed and power to adjust your rate of descent. All I am looking at now is airspeed ( I actually check Altitude at around 300ft). Too slow is dangerous, too fast means a bounce or prolonged float. My eyes are outside looking at the Picture 90% of the time with glances to Airspeed. Trim makes it easier to hold the controls. I have only had 1 session of circuits in a Jab, so I am no expert here, but I found I did not have to play with the trim very much in the circuit. Your instructor is best here. Some aircraft are difficult to land unless the trim is correctly set, I have only flown 3 RA types and none of them were trim critical. Remember the basics. If the picture is still in your frame, you have it nailed. If it is moving down, you are overshooting. Reduce power and lower the nose to maintain the desired airspeed. If it is moving up, you are undershooting. Add power and adjust attitude to maintain your desired airspeed. Once I cross the fence my eyes are outside only working on the flair, crosswind adjustment and hold off. Remember every landing is different. Different weight, different wind, and you may have traffic forcing you to fly wider or slower than you normally would. I am no substitute for your instructor, but I hope my thoughts will help you get it!
  8. HI, Same her. I tried to contact Allen in September but received no response. I ordered my kit direct from America and have recieved excellent service from them. The kit is very high quality and is going together well. John
  9. Hi, did you get any resonse from ZENAIR Australia? I have been trying to contact him for 2 weeks!..........no response? I want to purchase and build a Zenair kit. An ASIC search says "Zenair Australlia" busness name was cancelled in May 2008? I don't know? This guy is supposed to be the Australian distributor..... Is he for REAL?
    1. derekliston

      derekliston

      I gave up and ordered my parts direct via Zenair USA website. Excellent service. Never did have any joy with Zenith Australia.
  10. I have been trying to contact Allan Barton for nearly two weeks, but have had no reply! Does Zenair Australia actualy exist? I want to start building an aircraft and want to know if there is an Australian distributor or if I have to import myself. There is a web sight that purports to be a business........ But is it? I have tried to contact Allan Bartom for two weeks. I am about to spend a LOT of money...... who amI supposed to deal with? If no one answers the phone, what am I supposed to think? Do I feel confident to send a deposit to a business that shows a mobile phone and a post office address, where no one answers inquiries? I don't know....? An ASIC search says the Business name Zenair Australia was cancelled on 19/05/2008. IS this incorrect? Please let me know. WHO am I supposed to deal with to buy a ZENITH Aircraft?
  11. Very much a newbie here. Looking to build a Zenith 750 STOL Lots to learn about.... Charles Greenwell Point, NSW
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