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Everything posted by Cosmick
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Ultralight crash north of Grafton 12/12/23
Cosmick replied to Cosmick's topic in Aircraft Incidents and Accidents
Aircraft identified as a Highlander 9 news https://www.9news.com.au/national/lilydale-plane-crash-two-dead-in-northern-nsw-plane-crash/2c25a84c-5c69-4b12-939c-24f8d50379cb -
Ultralight crash north of Grafton 12/12/23
Cosmick replied to Cosmick's topic in Aircraft Incidents and Accidents
Update. Dec'd <10 yr old child and 30 Yr old male. Aircraft from Gold Coast area. https://www.abc.net.au/news/2023-12-12/plane-crash-near-grafton/103217270 https://www.dailymail.co.uk/news/article-12852715/lilydale-grafton-nsw-light-plane.html -
Note the screw on lid, pop on lids not water tight when hard bumps cause a tip over. https://www.ebay.com.au/itm/403957628942?hash=item5e0dc0400e:g:NgoAAOSw30liJvRy&amdata=enc%3AAQAIAAAAwK4Nuuab0uEetvzwoBOPyx0lH77DeC4ZG%2BDYbeh07SSxmgUhyy9%2BvFZ6rt1VDqiTjii5Ti5qm%2BIo%2BGAhZQDo0f1Ln2HVYWswx6qKzzNyEcxvxtNp5WRsFK%2Bkzr6FOH8j6EgGpnNQ3XJcQE2GVI0%2BaTYlHzzYlhuXC7yIgGaMC4ZOvTsyI%2FJD3Hpqb3TtUUuqj8yksaiNHg1An0H14STvpyGANk37DYpNrIOsDFpYxrpt5rG1z0np8yNWRAWtuTuIhw%3D%3D|tkp%3ABk9SR6CY__fVYg
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Mid-air collision at Caboolture - 28/07/2023
Cosmick replied to onetrack's topic in Aircraft Incidents and Accidents
https://www.abc.net.au/news/2023-09-08/qld-caboolture-airfield-fatal-crash-preliminary-report/102834386 -
are there any aerochute flyers on here.
Cosmick replied to BrendAn's topic in Powered Chutes etc Usergroup
go to facebook - Aerochute Flyers 400 members https://www.facebook.com/groups/718871311589979 -
Apparently midair at Gympie at 3pm today, 9/11/22
Cosmick replied to Jase T's topic in Aircraft Incidents and Accidents
Gympie is a common waypoint for aircraft traveling north from Brisbane, Caboolture, Redcliffe and Caloundra being west of Maroochydore airspace and has active local traffic. The accident apparently occurred 16km (9nm) from Gympie at altitude. If the Sabre was transiting the Pilot would possibly just have switched to ctaf from area. A glider at same altitude does not offer much of a profile and at possibly 100+ knots closing speed……… my 2 cents. -
Apparently midair at Gympie at 3pm today, 9/11/22
Cosmick replied to Jase T's topic in Aircraft Incidents and Accidents
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Also Wayne Fischer of drifter fame. Dangerous jobs I wouldn’t do it.
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Boeing 717 bogged Rockhampton Qld 11 July 2022
Cosmick replied to FlyingVizsla's topic in Aircraft Incidents and Accidents
Maybe some large salvage airbags under the wings to lift wheels would work. -
Problems of buying an ultralight. Help appreciated.
Cosmick replied to RussN's topic in AUS/NZ General Discussion
I had a GT500 with a 582 Rotax which was a factory built and I'm sure the 400 which is the singleseat version can take the 582 as well. as for hangerage maybe possible at Caboolture but has suggested go to the airfield walk around and talk to people. -
ADSB Grant Skyecho 2 etc
Cosmick replied to Kyle Communications's topic in AUS/NZ General Discussion
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Some news in Asia isn't so censored. I will say however some persons could be upset viewing this Video. If real the Cabin would be intact without loss of pressure. https://www.facebook.com/somprasong.pandum/posts/7827489657265000
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But there will be a weight at which the stall is 44.9 kts maybe 650 or 680 or 715 kg. Can the mtow be other than 600 or 760kg.
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Skyranger Nynja cruise speed and WOT at 5,500 rpm.
Cosmick replied to Blueadventures's topic in Skyranger
I also find this confusing. I read the forum above and was comfortable in my belief of cruise rpm 912uls between 5100-5400. Then I got to the last couple of comments on in flight adj setups. Reading comments from gyro operators and they cruise around 4500 with 914's and 915's which they have for more power. Surely if you have ground adjustable you would reduce the pitch to cruise at say 5200 and have shorter take off and better climb. -
https://aviationclassifieds.com.au/listing/6688
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Aust orders 60 Brazilian electric planes
Cosmick replied to red750's topic in Aircraft General Discussion
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V speeds in planes.... (The big ones)
Cosmick replied to flying dog's topic in AUS/NZ General Discussion
I don't know what i'm talking about but looking from the outside in - VR and V2 are airspeed. V1 is Groundspeed Vs remaining runway. The longer the runway V1 moves further down the runway so VR could be less than V1. -
What is the best fuel (Mogas) for your engine
Cosmick replied to Cosmick's topic in AUS/NZ General Discussion
Reviewing again the Video I listed earlier and referring to the Rotax requirements I notice the Octane measurement used is AKI which according to the 'Man in the Video' is 4 points less than RON so 87 AKI is 91 RON and 91 AKI is 95 RON. -
What is the best fuel (Mogas) for your engine
Cosmick replied to Cosmick's topic in AUS/NZ General Discussion
So out there you have the Skippys and the Turbs, KGs Nevs and Wals (sorry to take liberties) and others who will investigate the intricacies of fuels and then there is the rest of us who ask advice and get good feedback and some individual biases. Personally I use 95 like an Insurance cover that I know nothing bad should come of that fuel and I store in airtight metal containers (good condition jerry). Reading the above feedback does give us (me) the uneducated some satisfaction of good practice. I think this guy is funny, sometimes too much and I tire of him but this Vid seems to cover technically. https://www.youtube.com/watch?v=3Sl5KqF4AM8 -
First lets start at Manufacturers recommendations - Rotaxservice.com - The Rotax 912 A/F/UL engines require a minimum octane rating of 87 AKI, commonly referred to as “regular” while the Rotax 912 S/ULS/ULSFR and 914 F/UL require a minimum of 91 AKI (“premium”). Some may have noticed that the Rotax manuals mention ratings of 90 and 95 respectively. Jabiru - AVGAS or Unleaded Automotive Gasoline above 95 Octane RON https://jabiru.net.au/wp-content/uploads/2018/05/JSL007-7_Fuel_Guidance.pdf This article talks about the benefits for certain engines of increased octane fuels - https://www.mynrma.com.au/membership/my-nrma-app/fuel-resources/which-octane-petrol-is-best-for-you I have only had aircraft with 2 and 4 stroke Rotax and was advised at schools and by peers to use 98 Octane even in 2 strokes with of course only Rotax recommended 2 stroke oil. When up there we all want an efficient clean fuel system and is this the only (but very good) reason for the higher than recommended octane usage, do any Aircraft engines have Valve Timing to utilise the denser fuel.
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Move over Van....The Jetson has arrived
Cosmick replied to KRviator's topic in AUS/NZ General Discussion
It can hover and go in any direction just as a drone and makes a lot of noise. would be good for mustering. maybe a couple more rotors to give redundancy