kgwilson
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Everything posted by kgwilson
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No offense but there is no"H" in Tecnam. It is an Italian aircraft manufacturer, full name Constuzioni Aeronautiche Tecnam.
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My car which I bought new in 2012 has 7 airbags. I knew there were a few but had to look it up. That hasn't changed my driving habits. What has changed them is age. I don't drive as fast anymore and am far more careful when approaching intersections and other traffic. As far as BRS & birds are concerned, again I'll take my chances that the aircraft will still be flyable after the aluminium has been badly dented. Unless there is a major structural failure a BRS is a waste of space, weight and time. I'd rather be able to glide and fly as far in to the crash as possible. We have a few resident Wedgies at South Grafton. I encountered one on base the other day. I zigged & he zagged. I have encountered a few in cruise at several thousand feet & a tiny speck becomes a big object really fast. Their eyesight is extrememely good & when they see me coming they always roll over and dive away quite fast while I usually pull a pretty tight turn to the left generally. There is always a risk that one day I might hit one but then that's aviation. There are risks in everything. You just manage them as best you can.
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Well it must be the season. We had a Wheels up landing in a 66 or 68 Mooney at South Grafton today. The owner had just had it signed off after spending months restoring it after it was written off in the Floods of Feb/March last year. He bought it back off the Insurance company. I have not spoken to him yet but apparently he had a partial engine failure on downwind and decided to land long to make sure of missing houses/trees on the 26 approach & was pre occupied with getting down safely & forgot the wheels. He has about 800 hours on that aircraft. -
Yes I agree. The PA28 Flap lever (we used to jokingly call it the hand brake) is the best most positive flap control I have used.
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Mentioned even earlier by me in Post 4
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The larger the prop the closer the tip speed will be to the speed of sound. Direct drive engines have this problem when full power is applied as the prop loses efficiency once the sound barrier is reached. The Lycoming O540 in the C182 with spin the 2 blade prop up to just over the speed of sound at full power hence the loud noise from the prop on takeoff. Reduction drives on high RPM engines like the 912 allow for slower prop speed at full power and therefore a larger diameter, good for STOL aircraft but less efficient in cruise which is slower than if a smaller diameter prop was installed. The moral is You can't have your lunch & eat it too. Also 3 blades provide better take off & climb performance than 2 but less efficiency in cruise due to higher drag, hence the saying "3 for show 2 for go".
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Morgan Sierra 100/200 Questions - BRS, EMS, EFIS, 600KG, CSPU?
kgwilson replied to AV8A's topic in Morgan Aeroworks
I put Wing tanks in my S100. They are 35 litres per wing with 100 litres in the main so provides excellent range with the 3300a engine. Photo 1 is looking at the bottom of the tank after initial installation. Photo 2 shows the flap cable routing around tank bottom. Photo 3 shows flap acble installation complete & photo 4 is the top of the tank
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I use wing down in strong crosswind combined with crab on final but when close to the ground keep the wings level & crab only, kick the rudder to plonk it down straight ahead on both mains. Friction reduces the windspeed close to the ground & my wing is only about a metre off the deck on touchdown. I can't do this in the 230 & need the wing down & touchdown on 1 wheel. This is not as positive as I would like hence my preference statement.
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The J230D is one of the best high wing recreational aircraft available. Great performance, a ton of room, easy predictable handling, easy to get in/out of, one of the strongest airframes available and an excellent tourer with plenty of fuel available. It isn't STOL but doesn't pretend to be. Personally I prefer the sports car style seating of a low wing and also better cross wind landing characteristics but other than that the 230 is up there with the best.
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CFO VANESSA HUDSON TO REPLACE JOYCE AS QANTAS CEO
kgwilson replied to red750's topic in AUS/NZ General Discussion
Tell the inhabitants of Tuvalu that the sea levels aren't rising. https://en.wikipedia.org/wiki/Climate_change_in_Tuvalu https://world.350.org/pacific/files/2014/01/4_PCCSP_Tuvalu_8pp.pdf https://www.reuters.com/business/cop/tuvalu-turns-metaverse-rising-seas-threaten-existence-2022-11-15/ -
I don't have to do any calculations. The car tells me what the range is at any time & will adjust it based on driving habits..
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MPG is back to front. How far can you go on 1 gallon of fuel which is either 4.54609 litres or 3.78541 depending on which gallon you are talking about, Imperial or US. So it is a measure of distance you can go for a measure of fuel.. Litres per 100km is a measure of fuel consumption over a given distance. Using MPG requires another calculation given that fuel has been sold in litres for donkeys years and land distance has been in kilometres for the same length of time.
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CFO VANESSA HUDSON TO REPLACE JOYCE AS QANTAS CEO
kgwilson replied to red750's topic in AUS/NZ General Discussion
Back in 73 I went to Bransons Virgin Record shop in London. He'd organised some event for a record release & was there. He looked exactly the same as he does today, just younger. I have to admire his enthusiasm, tenacity, entrepneurial skill and consideration for his employees. Fast forward to 2007 and my aluminium fabrication business did some work on his Island in the |Noosa River. He purchased it as retreat for his employees. Not all people who become billionaires are complete arxeholes. I don't think he has much if any actual shareholder interest in the airlines that bear his Virgin brand today. -
It is about time everything changed to metric. The only thing that makes sense is speed in knots as it relates to degrees of latitude & even then with decimal degree settings and electronic everything now it doesn't matter. Why is altitude in feet? It is in metres in Europe. I assume it is due to the original dominance of American & British aviation. Even oil comes in quarts from Aeroshell. Shell is European (Dutch) so you'd expect litres. Again the only reason i can think of is the dominance of the US GA industry, though it probably comes in litres in Europe.
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CFO VANESSA HUDSON TO REPLACE JOYCE AS QANTAS CEO
kgwilson replied to red750's topic in AUS/NZ General Discussion
It would be interesting to find out how many CEOs of top companies around the world began as bean counters. My guess is it is a very high percentage. They are always driven by the numbers. People are just a condiuit to get the numbers they want. It can come unstuck though as it did with Boeing, but even now they have an ex beancounter (Calhoun) at the top as CEO and Chairman (called President in the US). They fed the last CEO to the wolves but I don't think he cared given the multi million dollar gold parachute he got. Given her history with the company I will give Hudson the benefit of the doubt ........ for now. Joyce can now be confined to the dustbin of aviation history. Qantas now has a very tainted legacy of money before people & a lot of ex employees disposed of by Joyce will never trust the company or allow themselves the indignaty of re-employment no matter what sort of carrot they dangle. Others will of course purely for economic reasons. -
In my experience a partially full container will expand far more than one that is full when the temperature increases. The presence of air in the container allows for evaporation of the lighter aromatics and unless the container is vented pressure will build up and in the case of plastic containers, then the container itself will bulge. If the container is full the fuel will only expand based on the temperature as evaporation is prevented.
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I don't store PULP. It ghoes straight in to the aircraft when I get back from the Servo. Fresh is always best.
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The red Proquip I have will hold 24 litres of 98 ULP filled right to the base of the filler neck.
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Proquip is a good brand. They are solid and have the spout retained internally so it stays clean. I also have a small 10 litre Scepter brand, also good. Same spout system but it has a ratchet style keeper which prevents the cap from loosening. Both have capped vents to allow fast emptying. Scepter used to be made in Canada but I'd say they are now made in China like everything else. The Scepter is a squat design so doesn't tip over easily but takes up more floor space compared to the standard (Proquip) type which tips over easily but takes up less space. Both are in the $38-$40 range. BCF sell Proquip & Repco sell Scepter. Stay away from cheap ones from Bunnings and Supercheap SCA brand and anything with an external spout which can get lost and dirty.
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Then the price would be over 200k.
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It wasn't that long ago that the base model J230 was around 120k. All the flash glass stuff on the panel comes with a pretty hefty price tag.
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The J230 has proven far and away the most popular Jabiru and the 3300A engine is about to or maybe already has become the most plentful engine produced as well. When the demand for one model outstrips your ability to produce that, why keep producing another less popular model and increase the lead time on the more popular one. Add to that you have to be pretty brave to incease production capability in the Aviation market unless you have an investor with deep pockets and no concern about getting it back. The industry is littered with aircraft manufacturing crash and burns.
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I've been using 4 litre plastic oil containers to store 2 stroke whippersnipper & chainsaw petrol for at least 30 years & none have ever leaked or deteriorated. I replace with a new one when they get dirty or I find dirt in the bottom of the container. The only problem is the sidewalls are thin & they will expand if left half full or less in hot weather as the contents evaporate. In Summer I don't keep them absolutely airtight to prevent this happening.
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I thought you would know this as a 912 ULS exponent. To develop the full 100HP cool air is required to feed the carburettors. There is plenty of comment out there in google land. Rotax will not provide any guarantee of 100HP unless their genuine airbox is fitted.
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If you want 100HP then the airbox is required. The exhaust system including muffler is included in the weight of all Jabiru engines as well as the airbox, and Ram air ducts. Air cooled engines don't have radiators, liquid coolant or associated plumbing. Both types have oil cooler radiators & associated plumbing. The point is the quoted weight of a Rotax 912 ULS is a long way short of the finished installed weight compared to that of most air cooled engines.
