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Everything posted by facthunter
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Everything you say there is correct ARO but we must be crossing wires somewhere. Power changes your speed in level flight. Methusala That's only the way your plane is balanced with centre of lift thrust /drag changes. . IF you hold your level, thrust will change your speed.. Power can get you out of a stall or prevent it. You put power on more in a level turn to overcome the extra drag and increase speed to keep a stall margin and take a bit off when you come out of the turn. Power went off in the middle of this and was off for about 20 hours. I'll post it anyhow. Nev
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Crop Duster Crash near Bourke NSW 10/2/2024
facthunter replied to FlyingVizsla's topic in Aircraft Incidents and Accidents
As the circumstances turned out don't you think the warning was appropriate? Nev -
Everything you say there is correct ARO but we must be crossing wires somewhere. Power changes your speed in level flight. Methusala That's only the way your plane is balanced with centre of lift thrust /drag changes. . IF you hold your level, thrust will change your speed.. Power can get you out of a stall or prevent it. You put power on more in a level turn to overcome the extra drag and increase speed to keep a stall margin and take a bit off when you come out of the turn. Nev
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That's engine handling though isn't it. Who has their cruise power figure handy in a small plane? It can be done with planning. Any turbulence or control inputs of any magnitude will cause extra drag. at the time. Nev
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Crop Duster Crash near Bourke NSW 10/2/2024
facthunter replied to FlyingVizsla's topic in Aircraft Incidents and Accidents
Nothing to do with a Crop Duster Crash and have you ever experienced a bushfire roaring down on you? It's the DRY Conditions and excess grass growth that makes Today a Greater potential disaster with thunderstorms and dry lightning PREDICTED. Preparation has been minimal generally because of the unusual rains and resulting grass growth here so any warning can't be too big. . Nev -
Would this be better in OFF TOPIC? Nev
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Strongly disagree. You don't get speed in cruise by pitch changes and mentioning trim only confuses what's happening ,Trim only relieves stick forces. You accelerate due to leaving climb power on for long enough.. Nev.
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Aro the last line of your previous post is not correct. On reaching your cruise level you first level off and let the plane accelerate to the cruise speed then set cruise power and trim out stick forces. Nev
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You can lead a horse to water but you can't make him drink. Nev
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They just flop loosely out and in. On a flat surface there wouldn't be a problem but it's shaking on the hinges with no air load that is the problem. You have to remember to lock them down too. I wouldn't like to do spins and aeros with them active., The slats move forward and back with 2 short arms parallel to each other.. Nev
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My first ever Ultralite in 1986 at a Mangalore Airshow with plenty of watchers. I didn't get a photo.. Some aeroplanes do make you sentiMENTAL.. Julius Ceasar never had a chariot like any of them? Nev
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The glide thing was more with TWO stroke power which was far more likely to let you down. Most engine failures are at the higher power settings in the take off phase particularly. Cruise is normally at about 75% power, still a relatively high figure.. In gusty conditions using a variable power is the only way to avoid large speed fluctuations. Putting the nose down is not a quick response and you don't want wild variations of attitude near the ground particularly. Precautionary approaches are done with power and a reduced stall margin. A go around from a "Power active" approach is more spontaneous, and the engine is less likely to falter. Nev
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That's VERY helpful. NOT. In flying , there are options and deciding which one is BEST, WHEN is managing the situation optimally. Nev.
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Of Course the RAAus teach glide approaches. We all do forced landing practice which gives you no choice about power In a forced landing you aim for about 1/3rd down the runway just to make sure you make it. The philosophy si "It's Better to hit the far fence at running speed than hit the near one at flying speed.. IF you have a very limited runway length using power will permit a more accurate RoD and speed at the threshold and flare point. On a cross country you don't have glide reachable aerodromes all along the way and idling motors often stop because they are set too slow. Nev
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The 3 per side covers under the outer Leading .Edge of the UPPER wing cover the hinges You are supposed to lock them when taxiing but I forgot a few times. . So did the bloke doing a test flight in a U tube I viewed since this has all come up. From now on I will spell Gipsy correctly. Nev
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Danny I researched the GIPSY and all I saw had the LE slats. That doesn't prove they all did. and the ASI was the sping flap on a graduated scale on the wing strut. The one I flew (VH ULM.) was 30 + years old and being all wood I wasn't anxious to put it through it's Paces. There was NO cover over the valve rockers. Nev
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SHY CANCELS. The best examples of democracy NOT Working. Nev
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The trouble I found with Supa glue was holding it in place till it would hold itself. Nev
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Crop Duster Crash near Bourke NSW 10/2/2024
facthunter replied to FlyingVizsla's topic in Aircraft Incidents and Accidents
Gong ki Kong looks all Wong. Nev -
IF you are flying level or on a fixed approach angle, your speed is controlled by POWER . It's also a good thing to use if you get near the stall. and have no height to spare. The elevator controls the wing AoA and causes the stall. Many stalls are a reflex action done without proper consideration of the circumstances the plane is in. ie Lack of situational awareness. (STALL margin etc). Nev
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Aviasport tacho. Hour meter not working?
facthunter replied to danny_galaga's topic in Instruments, Radios and Electronics
I do too. but everybody reads this stuff. Aren't they called a Hobbs meter?. I suspect that they are abit like some mechanical speedos with some skinny little gears involved.? Nev -
Crop Duster Crash near Bourke NSW 10/2/2024
facthunter replied to FlyingVizsla's topic in Aircraft Incidents and Accidents
He's NOT the relevant minister and the cops will be STATE employed anyhow. Whatever they designate it as is not " earth shattering" anyhow. . Hardly in the first ten of things you'd like to fix. Nev -
Hard to keep the Pistons cool when they fire each revolution.. I designed an opposing piston thing with variable compression but the standard things are going so well. Nev
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IF dehydration was present you don't have to look much further than that. It's exactly what symptoms occur. and planes do not run on rails or fly themselves. You have to remain co-ordinated or you'll be all over the Place. Nev
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Hydrogen-powered 'flying car' to be used in emergencies
facthunter replied to red750's topic in AUS/NZ General Discussion
Just imagine the amount of interference happening when that pile of blades starts waltzing through the sky.? Nev