rgmwa
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Everything posted by rgmwa
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Thanks for the explanation. I see what you're getting at now. Service ceiling is the maximum density altitude at which an aircraft can maintain a minimum practical rate of climb which might be 100 ft/min for a typical GA aircraft.
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Perhaps `better' needs to be better defined.
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Flying faster also increases form drag and the most efficient speed will be the speed at which the combined parasitic and form drag is lowest. I wasn't sure that you can say that flying faster will always be more efficient except that flying faster will get you to where you're going quicker and that's probably more efficient (especially if you can go `downhill' all the way and use gravity instead of engine power).
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Flying faster will create the required lift at a reduced angle of attack and reduce the associated drag on the wing.
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... and more power required to overcome drag so more fuel used.
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Hey Max, this series is a pretty monumental effort on your part. It must be a full time job to research and put it all together. -
Agreed. We could do without all the tit for tat bickering that goes on here at times. It’s supposed to be about aviation not recrimination.
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Thanks, but it's such a nice pristine looking motor that I'm a bit reluctant to part with it at the moment. I bought it some years ago thinking I might try RC. I bought a Pilot C182 kit (60in span) way back in the late 1970's that I finished to covering stage but never fully completed as life got in the way. The plane gradually deteriorated through family life and several house moves, but I still have the original plans and hardware, so I could scratch build it. I bought a JR F500 R/C set about the same time as the OS intending to rebuild it, but so far it's still a future project. I uploaded the plans to this very useful site in 2014. Just checked again now and see that someone has very helpfully scanned and scaled the part profiles. Scroll down to the end of the link to download the plans. Oz : Cessna 182 Skylane plan - free download OUTERZONE.CO.UK
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We used OS motors, mostly. I still have an unused OS40 FSR in the box and a 0.15, 0.25. and 0.35. One of our group was into team racing and used a couple of Super Tigres or Oliver Tigers. Can't remember which now but his planes were works of art. I flew one of his models once while he was tuning it for competition and we clocked it at 131kph.
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Yes Nev, it would be much harder in bad weather or at night and the turns are no steeper than we all do in a normal circuit, but to someone like me who doesn't have your many years of experience flying all kinds of aircraft in all types of conditions and into difficult airfields, it's still pretty impressive. Having said that, I think I could get the RV in there in good weather.
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Yes, I missed that the first time I watched it, but I’d be tempted to add it to the checklist too. The airport is at 7300 feet, just to make it more interesting.
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Nice flying! Not much room for error. I'd find it challenging enough to land here in the RV, let alone an airliner, but they make it look easy. Make it full screen for a pilot's eye view:
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It would have been one of these according to a list of the fighters they have in their airforce:
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I have one of those in my RV-12 and it works very well. Best of both worlds. Available from Aircraft Spruce although I got mine direct from MacFarlane in the US who manufacture them. Vernier-Assist ™ Throttle Controls For Dual Carb Rotax 912 / 914 | Aircraft Spruce Australia WWW.AIRCRAFTSPRUCE.COM.AU Vernier-Assist ™ Throttle Controls For Dual Carb Rotax 912 / 914 This type of control has all the fine adjustment benefits of an old style...
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Some nice work being done here:
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Duck tape and duct tape are different products, but duct tape is commonly used for both. It is also a brand. It is water resistant. Agreed.
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Not quite, Nev. It was originally called `duck' tape because it was cloth/canvas based. It became popularly known as duct tape after the war when it was used for sealing metal ducts.
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Friends of mine have just restored a Bowers Bi-Baby and have sealed the lower wing gaps with ordinary silver duct tape. Seems to work. The Bi-Baby is flat out at about 70kts.
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It ducks under the gap, Nev.
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Anything that won't peel off under the airflow. Duck tape, `100 mile per hour' tape, etc.
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Worth a try. He was quite a character and it was the sort of thing he could well have done. He was forced down and lucky to be found at one point.
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Clyde Fenton??
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Finally battery tech that may just prove worthwhile
rgmwa replied to Kyle Communications's topic in AUS/NZ General Discussion
I think you've just described the occupant of the Oval Office. -
I notice it has a pretty big gap between the wing and fuselage and no wing root seals, which is not good for aerodynamic efficiency and could potentially be a safety issue due to disturbed airflow.
