Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread Mike Borgelt
At 03:14 PM 30/04/2012, you wrote: John, It sounds like your FLARM or its antenna is defective. This is very easy and free to verify, by uploading a FLARM IGC log to the online range analysis: http://www.flarm.com/support/analyze/index_en.html or simply email it to me and I will take care of it.

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread Sean Jorgensen-Day
Gary, I did not miss PS's point. If you refer to my 3rd para I did suggest that there may be a better compromise system. MB picked up on this. The flawed logic that I am referring to is; If only one aircraft is fitted with a safety device that relies on other aircraft

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread Mike Borgelt
At 07:13 PM 30/04/2012, you wrote: My argument is that these devices COULD prevent a collision but cannot be relied on to ENSURE it does not happen, that is up to the pilots. How many examples are there out there of aircraft colliding when fitted with such devices, in these

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread Peter Stephenson (Internode)
On 30/04/2012 12:02 PM, john.mcfarlane wrote: snip Upon landing I mentioned this to the relevant instructor. After all had landed without leading I asked the glider pilots if around the time of the launch their flarms had advised them of anything - All I got was the passenger thought the

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread Mike Borgelt
At 08:42 PM 30/04/2012, you wrote: BTW Flarm can even synthesise tracks of adjacent gliders from other glider's Flarms should one crash; another benefit of having a Flarm. Only if the range happens to be good enough which clearly may not be the case as in the case John is talking about.

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread john.mcfarlane
Hi Urs, How do you explain the other 2 aircraft - the on tow glider was only 120ft behind me and had no idea of the other glider. This is a club aircraft - downloading and uploading files for remote post event review/analysis to determine serviceability will not work! You are seriously

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread Peter Stephenson (Internode)
On 30/04/2012 8:56 PM, john.mcfarlane wrote: Hi Urs, How do you explain the other 2 aircraft - the on tow glider was only 120ft behind me and had no idea of the other glider. This is a club aircraft - downloading and uploading files for remote post event review/analysis to determine

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread john.mcfarlane
HI Peter, It was 2 years ago in a club aircraft. See another post this evening from me re this. I'm a VFR plane pilot - flarm has limited usefulness to myself. I work with high end IT as a profession - Technology in my hobby is something that I just don't bother with after battling with

Re: [Aus-soaring] Mid Air collision risk

2012-04-30 Thread Rob Moore
It h Rob Moore On 30/04/2012, at 9:37 PM, john.mcfarlane john.mcfarl...@mcfarlane.net.au wrote: HI Peter, It was 2 years ago in a club aircraft. See another post this evening from me re this. I'm a VFR plane pilot - flarm has limited usefulness to myself. I work with high end

Re: [Aus-soaring] winglets

2012-04-30 Thread Mike Borgelt
This looks interesting: http://www.flightglobal.com/news/articles/in-focus-the-wing-is-the-thing-for-aviation-partners-371008/ Mike Borgelt Instruments - design manufacture of quality soaring instrumentation since 1978 www.borgeltinstruments.com tel: 07 4635 5784 overseas: