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djpacro

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Posts posted by djpacro

    Brain Teaser: Stalling by PUSHING the Stick

    in Student Pilot & Further Learning

    Posted

    "AEROBATICS" by Neil Williams. Been a while since I've taken it off the bookshelf. The earlier reference to Neil's book was probably his mention of upright entries to inverted spins. Up to about 15 years ago it was a standard figure in Advanced competition aerobatics. The Pitts, for example, goes in quite neatly. i.e. decellerate as you would normally to enter an upright spin and a few knots above the stall push the stick forward (instead of pulling back) and push on the rudder. Aileron helps to get it rolling neatly. Without the aileron there's a more pronounced nose-down pitch before it starts to auto-rotate.

     

    Sometimes get students doing it inadvertently near the end of a roll-off-the-top.

     

    PS - some aircraft, sometimes there is an upload on the horizontal tail.

     

     

    Temora Aerobatics

    in AUS/NZ General Discussion

    Posted

    The program is online at http://www.aerobaticsaustralia.com.au/start.htm

     

    Practice from early this week up to Friday lunchtime. Practice is usually more hectic than the competition as we don't have to position judges for different categories etc. Qualifying flights for Advanced and Unlimited Friday arvo.

     

    For the spectator, Unlimited and Advanced are definitely worth watching. They'll then fly first up each morning on subsequent days. That's typical of contests so by early arvo when spectators turn up they usually only see the other categories which fly more simple manoeuvres and have a much higher minimum altitude.

     

     

    forward slipped in

    in Just Landed - Welcome

    Posted

    There is no doubt that if the airspeed washes right off, AND you have the controls crossed, as in a sideslip, you are in deep trouble. You are set up for a spin entry.

    Not necessarily, the sideslip is inherently spin resistant. Refer http://www.richstowell.com/ Rich's books & videos. I've taken a number of aeroplanes to the stall in a sideslip and it has been a non-event although, like most things, find out definitely first before you try it "at home".

    (I admit to not trying it in a DH82 or 7ECA that I recall.)

     

    Skidding turns another matter entirely. Definitely do not try that down low.

     

     

    Aerobatics

    in AUS/NZ General Discussion

    Posted

    Just some brief comments on some of the previous points made:

     

    Aerobatics is included in the draft Part 103 which is supported by the RAA. They also support an increase in the weight to 750 kg and that will bring in a much higher number of aerobatic trainers than the current weight limit. Perhaps the RAA doesn't want to get involved with the infrastructure required to support the sport - let's see what's in the draft Part 149. If the RAA stays where it is, it will be left behind in the development of recreational aviation after Parts 103 and 149 are implemented.

     

    Lamiunto's comments on controlled airspace is spot on and the exact same principle applies to aerobatics: "CASA is" ... "trying to give is just a bit more freedom by allowing you to fly" aerobatics "if you have the appropriate endorsement. And for those of us who would love it, I am sure the small amount of extra theory isn't going to bother you, the bit of extra time with an instructor, another quick exam, all with the end goal of flying" aerobatics, "I find that acceptable. But for the pilots who don't want to, then they don't have to," aerobatics "flying will be an endorsement, so if you don't want to do the extra studying, then so be it, you don't need to, you just won't be allowed to fly" aerobatics "but if that doesn't bother you, then there is no problem. So it comes as an option to you as an RAA pilot, if you don't need it, don't use it. You aren't forced to learn the theory for that endorsement, but the option is there if you ever want it.

     

    I agree that there's more to aerobatics than flight in controlled airspace however aerobatics is of less interest to CASA as only those directly involved are at risk. Refer CASA's new policy of 14/5/07.

     

    Yenn - Alan Reid and Bill Ricketts were both instructors of mine in '67. I don't recall the Chipmunk at Lovely Banks when I started flying there in late in '68.

     

    What's the best way to deal with cowboys? Provide rules, standards, guidance and oversight for the aeroplane and pilot or offer nothing so that they're on their own? I recall some-one saying to me "I don't have an instrument rating therefore I don't have any limitations."

     

     

    Aerobatics

    in AUS/NZ General Discussion

    Posted

    Thanks for the background, Fred Bear.

     

    I intend getting involved in RAA aerobatics with a Clipped Wing Cub - after Part 103 is implemented.

     

    Perhaps we need an Aerobatic Chapter of the RAA to tackle the issues raised in some of the posts here.

     

    Yenn - I was a student at Grovedale back in '67. Aub later taught me aerobatics. He's still going strong.

     

     

    Aerobatics at Cowra

    in Aviation Enthusiasts

    Posted

    I've never been to Cowra and not involved in decisions to hold either national or NSW championships there however a number of us Victorians take a keen interest in the contest venues. i.e. do we go or not?

     

    If my motel is not within easy walking distance then I don't care whether its a one minute drive or ten minutes. I'm more interested in the choice of motel and the standard.

     

    A "welcoming Aero Club" is essential - so are Parkes and Temora.

     

    I'm interested in location and orientation of the aerobatic box wrt the where the pilots will be i.e. do we get to look into the sun all afternoon or not?

     

    I'm interested in activities in town for family members.

     

    I'm interested in a good contest venue rather than help property developers get rich.

     

    http://www.cowra.nsw.gov.au/files/8689/File/AirportInfoPack.pdf

     

     

    Aerobatics at Cowra

    in Aviation Enthusiasts

    Posted

    videos

     

    Moving pictures at:

     

    [ame=http://www.youtube.com/watch?v=8IXDtnVBSTg]YouTube - Cowra Arrival[/ame]

     

    [ame=http://www.youtube.com/watch?v=E3l5p_TJkT8]YouTube - Cowra Aerobatic Practice Day[/ame]

     

    [ame=http://www.youtube.com/watch?v=_9DJWsGErHI]YouTube - Cowra - Tom "Mr Magic" Moon Aerobatic Display (no music)[/ame]

     

    [ame=http://www.youtube.com/watch?v=OYn6ZzZyQ78]YouTube - Coming home to Bankstown Airport - Sydney[/ame]

     

    I agree that RPT and the associated security is detrimental to an aerobatic contest however Parkes seems to have plenty of room to park aircraft.

     

    It wouldn't surprise me if the current committee change their longstanding policy of not holding a national contest at the same venue as a state contest.

     

    The big question is whether Cowra is more "people friendly" than Parkes? i.e. facilities and things to do for families of competitors; accommodation; restaurants? People have chosen not to attend the nationals in the past because Parkes does not measure up.

     

     

    Epaulette Meaning

    in Aviation Enthusiasts

    Posted

    Dave' date=' do you wear them just when your flying (private) or only when your working? (flying or instructing).[/quote']Just when instructing. Plus a tie, even when in a biplane!

    I know some top instructors who wear neither epaulettes nor tie, fine with me.

     

    (I'm trying hard to develop a reputation as a grumpy old instructor)

    Hold the throttle?

    in Aviation Enthusiasts

    Posted

    For a student up to where you are, TConnor, I'd likely be saying the same as your first instructor, considering the exercises that are being undertaken in that phase of your training. I like to get some good habits at the start rather than having to remind people later in their flying career that they must keep their hand on the throttle during the take-off.

     

    At later stages of training comes the situations where the emphasis changes and its right to make a decision otherwise. i.e. its a decision not a habit.

     

    Like when I teach tail-wheel flying - keep the stick back at all times unless you've got a good reason to have it somewhere else. "What about when I'm flying straight and level?" That's a good reason ....

     

    PS - the Decathlon doesn't have throttle friction either.

     

     

    For those who actually fly

    in Aviation Enthusiasts

    Posted

    sixtiesrelic - excellent stuff, that item deserves a wider audience.

     

    The good news is that it is still possible to fly a Tiger from Moorabbin - at least until recently and I've heard that another will be online soon. The bad news is that it is still cold in Melbourne at 7,000 ft in the aerobatic area. I gave up flying an open cockpit Pitts a long while ago.

     

    I learnt to fly in a Cessna 150 at Geelong in the mid-sixties. The 150 is a great trainer and the 150 Aerobat is a great aerobatic trainer. Does that make me a sixties relic too? Moved my flying ops to Moorabbin in the late 70's - flying the Pitts and a bit in a Chipmunk.

     

    Most of my flying is in a Decathlon these days but still get in a Pitts (with canopy) as often as I can. My next move may be to Light Sport Aircraft in a real airplane: http://www.amerchampionaircraft.com/whatsnew/whatmain.htm

     

     

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