BrendAn Posted December 8, 2022 Author Share Posted December 8, 2022 (edited) 56 minutes ago, RFguy said: I have never seen roos on haul roads on any of those sort of mines. Maybe it's just where I go. nevertheless, a good effort by the pilot to get it onto some unoccupied ground . We had to write how many roo,s we had run over at the end of each shift. Edited December 8, 2022 by BrendAn 1 Link to comment Share on other sites More sharing options...
facthunter Posted December 9, 2022 Share Posted December 9, 2022 You run over the ones that DON'T shift. With sealed roads the roos go for the lush grass at the edge of the tarred bit where water runoff makes it greener. Nev 1 Link to comment Share on other sites More sharing options...
pmccarthy Posted December 9, 2022 Share Posted December 9, 2022 I think it was a quarry, not a mine. Kangaroos can tell the difference. 😀 1 Link to comment Share on other sites More sharing options...
Thruster88 Posted December 9, 2022 Share Posted December 9, 2022 They have kangaroos in Canberra so they can't be that fussy.😂 1 1 2 Link to comment Share on other sites More sharing options...
onetrack Posted December 9, 2022 Share Posted December 9, 2022 If it was a quarry road, that kind of explains things more clearly. Not many kangaroos hang around the edges of our minesite haul roads in W.A., because the miners use highly saline water to water down the haul roads. Fresh water is too scarce in W.A. to waste it on watering roads. However, roos will rest in the scrub away from most roads, but then promptly decide to make a dash for the other side, when they hear something coming. It wouldn't be the first time an aircraft has clobbered a 'roo - even on a proper runway. I seem to recall more than one RFDS aircraft has clobbered a 'roo, and one at Blackwater did a lot of damage. Link to comment Share on other sites More sharing options...
BrendAn Posted December 9, 2022 Author Share Posted December 9, 2022 (edited) 5 hours ago, onetrack said: If it was a quarry road, that kind of explains things more clearly. Not many kangaroos hang around the edges of our minesite haul roads in W.A., because the miners use highly saline water to water down the haul roads. Fresh water is too scarce in W.A. to waste it on watering roads. However, roos will rest in the scrub away from most roads, but then promptly decide to make a dash for the other side, when they hear something coming. It wouldn't be the first time an aircraft has clobbered a 'roo - even on a proper runway. I seem to recall more than one RFDS aircraft has clobbered a 'roo, and one at Blackwater did a lot of damage. I. All the roos on the haul roads at Boddington, ,daveyhurst, chalice , Linas find , tarmoola and some I have probably forgotten must have been in my imagination. Definitely no shortage of roos. Not as bad as the woody woody run though, a dozen or more cows get cleaned up every night. Edited December 9, 2022 by BrendAn 1 Link to comment Share on other sites More sharing options...
BrendAn Posted December 9, 2022 Author Share Posted December 9, 2022 Been driving for 5 hrs. Seen 1 roo near Corowa . The ducks must have scared them off. No shortage of water up here. Jabiru is cruising at 50 knts 2 Link to comment Share on other sites More sharing options...
Thruster88 Posted December 9, 2022 Share Posted December 9, 2022 We should not be distracted by the kangaroos, the real story is what happened to the propeller. 1 Link to comment Share on other sites More sharing options...
BrendAn Posted December 9, 2022 Author Share Posted December 9, 2022 22 minutes ago, Thruster88 said: We should not be distracted by the kangaroos, the real story is what happened to the propeller. True . Sorry about that. Do you think his prop came loose or fractured causing the vibration. Link to comment Share on other sites More sharing options...
Thruster88 Posted December 9, 2022 Share Posted December 9, 2022 (edited) 19 minutes ago, BrendAn said: True . Sorry about that. Do you think his prop came loose or fractured causing the vibration. That would seem the most likely scenario. It is unlikely the blades sheared off completely with the engine at idle on the landing roll. Edited December 9, 2022 by Thruster88 2 Link to comment Share on other sites More sharing options...
RFguy Posted December 10, 2022 Share Posted December 10, 2022 I just dont buy that the prop just fell apart on a rotax UNLESS there was a maintenance issue. 1 Link to comment Share on other sites More sharing options...
facthunter Posted December 10, 2022 Share Posted December 10, 2022 If one blade detached the Vibration would be severe, enough to displace engines at times. Nev 2 Link to comment Share on other sites More sharing options...
kgwilson Posted December 10, 2022 Share Posted December 10, 2022 It doesn't matter what the engine is, there are a number of issues that could have caused the prop to detach including maintenance. It could have been a failure of some part of the hub or a blade leading to a chain reaction. Every mechanical device can fail. Nothing is immune. 2 2 Link to comment Share on other sites More sharing options...
facthunter Posted December 10, 2022 Share Posted December 10, 2022 You try to have inspections frequently enough to pick up a incipient failure in the early stages. The Allison turboprops in the Hercules/ Electra were sheet steel and subject to much cracking . Vibration sensors tended to pick that up. Nev 1 Link to comment Share on other sites More sharing options...
Thruster88 Posted December 10, 2022 Share Posted December 10, 2022 7 hours ago, RFguy said: I just dont buy that the prop just fell apart on a rotax UNLESS there was a maintenance issue. In the part 23 certified world there have been propellers that were in wide spread use that have since had AD or Airworthiness Directives applied to them removing them from the fleet after a very small number of failures. As we have discussed Glen things don't always work this way in the LSA world. Some engine/propeller combinations are not agreeable with each other. If the prop did in fact fail in this case will we even get to read about that? 2 Link to comment Share on other sites More sharing options...
RFguy Posted December 10, 2022 Share Posted December 10, 2022 No, we probably wont read about it and that is the downside of the RA framework. There's plenty of upsides, just depends on how you rate them. I would think, for a rotax, there would be very few combinations that would be problematic, it has a high range of acceptance of MMOI. The prop is well isolated from the torque pulses . However, props in RA are a bit of wild west - not perceived as a significant modification by many . Certainly in any direct drive engine like the Jabiru, that's very much a symbiotic relationship between prop, engine and flywheel. So I am putting this down to a maintenance issue , overspeed , or material failure. (ha! ) . ALthough I dont even know if it lost prop on landing nor before? 1 Link to comment Share on other sites More sharing options...
facthunter Posted December 10, 2022 Share Posted December 10, 2022 We Know it had serious vibration in the air that changed to worse. Is that correct? THAT was the reason for an off field landing. Nev 1 1 Link to comment Share on other sites More sharing options...
RFguy Posted December 10, 2022 Share Posted December 10, 2022 Is the Bristell a CS / IFA prop ? Link to comment Share on other sites More sharing options...
WareDark Posted December 19, 2022 Share Posted December 19, 2022 There are a few details about the accident. When posting in this thread, people should include more info. It will be easier to find data and answer in this section. Link to comment Share on other sites More sharing options...
BrendAn Posted December 19, 2022 Author Share Posted December 19, 2022 6 minutes ago, WareDark said: There are a few details about the accident. When posting in this thread, people should include more info. It will be easier to find data and answer in this section. if there was more data someone would have put it up. the authorities are too busy arguing about who should do the investigations to actually do any. Link to comment Share on other sites More sharing options...
WareDark Posted December 19, 2022 Share Posted December 19, 2022 interesting answer 1 Link to comment Share on other sites More sharing options...
WareDark Posted December 19, 2022 Share Posted December 19, 2022 10 hours ago, WareDark said: There are a few details about the accident. When posting in this thread, people should include more info. It will be easier to find data and answer in this section. However, I see from the photos the aircraft crash was awful. I'm glad the pilot is alive. There are so many things to take care of when a person is injured after an accident. First of all, you have to find a reasonable attorney. Choosing a good specialist is crucial. I know it from my own experience. Last year I became the victim of an accident. I sued my insurance company for the refusal of payment. I wouldn't have made it without extra help from a law firm Link to comment Share on other sites More sharing options...
turboplanner Posted December 19, 2022 Share Posted December 19, 2022 9 hours ago, WareDark said: interesting answer Don't get carried away by it; most people just make assumptions like that, when in fact from my memory there hasn't been a publicly noted argument between the agencies which investigate in Australia the last 20 years. In Australia Insurance companies hire specialist hire professional Loss Adjusting companies. I had some dealings with one now owned by Canadian Cunningham Lindsey where the Insurance company ran out of excuses, handed it over to the loss adjuster, they denied all liability, so the burden of proof shifted to me, and the legal process had no guarantees except a few years of fees. Link to comment Share on other sites More sharing options...
BrendAn Posted December 19, 2022 Author Share Posted December 19, 2022 1 hour ago, turboplanner said: Don't get carried away by it; most people just make assumptions like that, when in fact from my memory there hasn't been a publicly noted argument between the agencies which investigate in Australia the last 20 years. In Australia Insurance companies hire specialist hire professional Loss Adjusting companies. I had some dealings with one now owned by Canadian Cunningham Lindsey where the Insurance company ran out of excuses, handed it over to the loss adjuster, they denied all liability, so the burden of proof shifted to me, and the legal process had no guarantees except a few years of fees. I was referring to the raas / atsb situation. Link to comment Share on other sites More sharing options...
turboplanner Posted December 19, 2022 Share Posted December 19, 2022 1 hour ago, BrendAn said: I was referring to the raas / atsb situation. What situation? Link to comment Share on other sites More sharing options...
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