onetrack

I guess the upside is that at the speed the Wright Flyer is attaining, a crash wouldn't result in serious injury or be fatal. Dozens and dozens of early fliers walked away from their crashes, which were generally at, or below, RA-Aus stall speeds.

The timber and fabric designs also crushed like a shock-absorbing structure, thus reducing the levels of deceleration in any crash.

.......CV covers a long history of being a secret CASA operative, and who has a record of grounding multiple illegal flying machines and their cunning pilots - including Cappy's Great Uncle, who was a notorious and constantly illegal aviation experimenter, many decades ago - and who was grounded for frightening not only teams of horses, but many of the CWA ladies when they were making tea and scones).

Onetracks commonly-known moniker of Een Snit was merely another of his cunning aliases - and of course, anyone even remotely familiar with Afrikaans would know straight up, that the name means "cut" in Afrikaans - thus the name being a crafty, hidden reference to his CASA-given powers to cut pilots.......

The WW2 variants of supercharging and turbocharging were just amazing. They used superchargers with turbochargers, they added intercoolers and aftercoolers, they utilised fluid drive couplings as well as 2-speed mechanical couplings to drive superchargers, they used double superchargers, and they used aneroid-controlled intake valves to prevent overboosting. 

And all through, the engineers stated that every engine design was a compromise, designed to operate within the selected range of operational limits.

GM produced a little booklet in 1944 (when piston engine aircraft design was peaking) called "Happy Landings". It was reproduced by GMH, but it was written by GM people in the U.S. I have a copy of it, it's extremely interesting. There's not much they didn't know about piston engines in 1944, and not much they didn't experiment with, and actually put into operation.

A crusty old Capt by the name of Charles "Chic" Eather has kindly scanned this little booklet, and put it on his website to read. Despite the limitations of wartime censorship, it's still a revealing read.

http://www.chingchic.com/happy-landings---general-motors-holden---airplane-power.html

.....is your manager?", said Turbo. "I demand to see someone here with more authority than you! I'm not moving until I can get my clothes supplier and barber here!". (Turbo's hair had got pretty messed up in the flight from Oz, and he wasn't one to be seen in public with messy hair. He does have an image to promote, and that image can't be tarnished by a Bad Hair day). 

"Whut huppund to your clothes?", demanded the Saffie inspector. "You can't lund here and git arund without clothes!"

"That's right!", said Turbo, trying harder to shelter under the sailcloth of the Drifters wing, to prevent the sunburn from reaching the body parts, that the sun should never see. "That's why I'm demanding that I can contact my clothes supplier, before I move from here! It was a rough trip, you have no idea, if I can't acquire some new RMW jeans, shirt and boots, I won't be standing up, and I won't be walking anywhere you want me to, until....

All good until you hit a roadside sign or a powerline you didn't see. Airstrips are generally very clear of obstructions such as these, while roads aren't.

I couldn't imagine you'd get a very long flight experience in the open air, if there were real bird predators, or even simply larger birds about. Even the Red Wattle Bird (honeyeaters) will attack anything invading their territory.

The landing technique of the Robo-Falcon needs a bit more work, it looked more like a crash landing to me.

The Austro engines in the DA62 are fitted with a FADEC specifically designed by Bosch for the Austro engine. The ECU backup battery for the Austro FADEC appears to be wired in, there's nothing to indicate it's a simple "push fit into a compartment" arrangement.

There's nothing mentioned about a system check light or warning for incorrect ECU backup battery wiring polarity - something that Diamond and Austro probably thought was unnecessary - because battery installers are supposed to be alert to correct battery polarity.

Incidentally, the Thielert diesel engines came with no backup battery for their FADEC, and there was a similar forced landing around 2010, caused by a Thielert FADEC failure, in turn caused by low battery voltage.

An AD was issued by Piper for its Theilert-engined aircraft, whereby a backup battery for the FADEC was required to be installed. This AD affected no aircraft in the U.S.

https://www.aviationconsumer.com/industry-news/diamonds-austro-diesel-performance-in-search-of-durability/

https://www.piperflyer.org/knowledge-base/aviation-alerts/item/87-2009-ce-057-ad-fadec-backup-battery.html

HISTORY: - Both the Thielert and the Austro engines are based on Mercedes car diesels, substantially reworked for aviation use. Thielert went to the trouble of casting an entire new engine block from aluminium for their aviation engines, but Austro (owned by Diamond) utilises the standard Mercedes cast-iron block.

The Austro engines are considerably heavier than the Thielert engines, but Diamond simply recertified the aircraft for an increased MTOW to accommodate the extra engine weight.

O.K. So, the DA62 problem was someone installed the ECU batteries back to front. I guess it's a bit harder today, to find a LAME who recognises what + and - mean. Then again, more than one experienced individual has connected battery jumper leads back to front.

The difference is the battery jumper leads will let you know your connective error in an unmistakeable fashion! Not so, ECU backup batteries.

Here's a good warning about road outlandings, that I've mentioned before. Those road signs will get you every time!

http://www.kathrynsreport.com/2022/10/diamond-da62-n84lt-incident-occurred.html

Is this an older Honda? Some of the earlier vehicle models had this problem, but 99% of vehicles today don't have the problem because they have a backup battery built into the ECU.

The Diamond DA62 crash appears to be more related to incorrect wiring for the FADEC unit. The Farcebook post doesn't say if this was from the factory, or if it was due to recent maintenance.

I don't see how the Honda problem (lack of an ECU backup battery) relates to the DA62 problems.

Crushed walnut shells are used in the product, "Soap for Tradies" to provide a gritty action for hand cleaning. I find the product relatively useless, the walnut shells grittiness is overstated.

Pumice soap such as the NZ Henriettas Farmers Pumice Soap is far superior, as regards grittiness for hand cleaning.

Quote

I think I posted how you can't turn the engine off in a current Honda, take the battery out, then put a new one in becaise it's all too late - roughly similar reasons.

I don't recall this previous posting. What is the problem with Honda electrics, when you carry out a battery swap?

Manufacturer-branded oils are a con. The oils are refined and supplied by oil companies, and they simply put it in manufacturer-branded containers.

There's any amount of oil-company-branded oils that are produced to manufacturers specifications for the various engines and transmissions, that are finicky about their oil type or oil additives.

There are differences between the various oil company oils, as regards performance. I have personally found Penrite oil products to be superior to some other brands.

......Russian dance commonly known as the Barynya ("landlady" in Russian), which is a Russian folk dance that combines chastushka (a traditional folk poem that is often in the form of satire) with spirited dancing. The dancing usually has no set choreography and consists mostly of fancy stomping and squatting.

Tubbs and the General were known to be experts at fancy dancing - Tubbs to avoid intense scrutiny from both CASA and ASIC - and in the Generals case, to avoid Ukrainian incoming, and to avoid getting too close to open Russian windows.

The audience went wild at the combined stomping and squatting antics of Tubbs and the General, as they both tried to outdo each other. However, when Tubbs pants split at the seams, with a particularly extreme squat manoeuvre, he knew it was time to.......

However, the General was suspicious of this "Dorky Park" - until he found out it was a German dance group! "Never mind the Nazis!" he cried, "Just give me the pretty girls! I always desired to be a dancer, but my father would not let me!" - and at that, the General did an amazing pirouette, and......

https://www.dorkypark.org/  (the general can be seen in his new role, once you enter the site, and see the photos of the dance productions ... he's the one in the pyjamas ...)

....Russian missile - before a CASA operative shot him down with a well-aimed bullet to his prop. As Canopy (formerly known as Cappy, before he changed his ID and his gender) glided down to a likely-looking forced landing area in a Ukrainian wheat field, he pulled out his ASIO card, which he regarded as his "get-out-of-jail" card, anywhere he went. However, this time, it was......

There's some grumbles about the Americans getting a major Defence order for 24 new C130J-30's to replace our ageing, current 12 C-130J's, without the deal going to tender.

However, I believe Defence is probably doing the right thing, there's little on offer by way of alternatives, to match the C-130's, they truly are a great aircraft.

I doubt whether the detractors would even consider the cost of retraining all the RAAF pilots to fly a different make and model of aircraft, even if there was a suitable alternative available.

https://www.abc.net.au/news/2022-11-03/raaf-to-double-cargo-fleet-in-10-billion-us-deal/101610818

What part of an RA-Aus aircraft is strong enough around the tail area to be able to tie the aircraft to a tree? I would imagine this rates as an entirely unacceptable proposal.

I've read of a young Chinese pilot taking off in an overloaded, shot-up, patched-up Dakota, along a bombed-out runway in Burma, with the tail tied to a tree via a rope, and the rope chopped with axes by Allied soldiers, in a mercy mission evacuating European women and children from the advancing Japanese in early 1942 - but war conditions are something totally different to everyday civilian operations.

Oil cooling would be undesirable, as it allows higher head operating temperatures. Deutz make an oil-cooled diesel engine, it runs hotter than any water-cooled engine.

The use of the word "transit", used to describe transportation, can only be traced back to its first recorded use in 1873.

The word was not ever used in shipping from earlier centuries, as the chain emails and urban legends would have us believe. So, it's not possible that cargo on a ship was marked with the word "transit" before the 19th century.

However, the word "transit" was in use in astronomy from the 1680's. "Transit" only started to become applied to transportation, once railways started to dominate the transportation scene in the late 1800's.

11 hours ago, phlegm said:

Not the most helpful contribution to this thread, but I can't believe you've called this a Rotaxaru when the option of Jabirax was right there!

It wouldn't be Australian if it didn't have "Ru" in the name somewhere. 

BrendAn, that is not true, and it's called a false etymology ...

https://en.wikipedia.org/wiki/List_of_common_false_etymologies_of_English_words#:~:text=Shit%3A The word "shit",is of Proto-Germanic origin.

It's because you always mount horses from the left. Aircraft are just a further transport progression from horses.

Why did they mount horses from the left? Because the cavalrymen carried their swords on their left, and you don't want to swing a sword attached to your waist, up and over your horse, with it smacking into the horses side - it could make the horse bolt.

So, by progression, pilots are merely sword-carrying cavalrymen riding their steeds into the sky! I rest my case, M'Lud!

There's plenty of YooToob videos explaining how the Nissan CVT is a troublesome POS. CVT's can't handle high horsepower levels going through them. You don't see them in trucks.

The small Fuso trucks have a dual clutch "automatic" transmission which uses countershafts. That transmission is also nothing but trouble.

If you want to see a real transmission, get a look at the inside of the Mack "Maxitorque" triple-countershaft transmission. That transmission is the peak of countershaft transmission design.

.....not one of the Wide people, as his popular nickname is "Beanstalk", and he's been known to turn sideways to make it look like he's disappeared. This has been a very useful trick for him, particularly when he's sighted a CASA operative making his way towards Turbo's.........

.......carefully examined what could be done with these wide people from the East. He pondered that they could be used as human barricades - used instead of sandbags for flood control (laid down, end to end, they took up 1.2M in height, each - which saved a lot of sandbag shovelling, and of course, then there was...........