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TheAirplaneNerd

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  1. There’s another company out right now that’s also making rotary engines, how ever it’s reversed their idea. LiquidPiston has the inner rotor a peanut shape, while the chamber looks like a three leaf clover. They already have a prototype flying on a drone, but I think it provides electrical power to a battery, then to an electric motor. It seems like a good idea to me, although the company hasn’t given any updates for a while. https://www.liquidpiston.com But if rotaries aren’t the future, there’s another South African company called ADEPT Airmotive that’s making a 320hp V6. It sounds like they have plans for a 360hp variant, and higher horsepower variants. I believe this engines is only for experimental aircraft at the moment. https://www.kitplanes.com/inline-and-v-four-stroke-2022-engines-buyers-guide/ https://flyadept.co.za/engines/ Finally, had anyone mentioned AC Aero and Higgs Lycoming solutions and Diesel engines? It sounds like these engines will be for experimental aircraft, then certified later. https://www.ac-aero.com
  2. That’s true, but don’t most turbines run in excess of 30,000 rpm? And it’s my understanding that they use a gearbox to achieve normal propeller speed, yet they have a much longer TBO then pistons (5000hrs vs 2000hrs right?). Am I mistaken or missing something?
  3. I believe that clean sheet designs are the future (as long as they can get the money to fund certification and production). However, I think this engine will be the future (once again, as long as they can fund certification and production). https://www.astronaerospace.com Gotta love the power to weight ratio, and it would be nice if they mentioned fuel consumption…
  4. Well I love the idea of 400hp, but aren’t the dimensions for the A03 fairly large? Will it fit on a Mooney? Or is that why you’re saying to bring back the M22? In addition, about Astron’s engine that I mentioned earlier, according to Motor Trend future versions of Astron’s engine will be able to produce 4,500hp while weighing only 250 lbs. (https://www.motortrend.com/features/might-new-concept-rotary-range-extender-fly-technologue/) I have no idea what the fuel consumption numbers would be for that, but regardless, a Mooney Acclaim equipped with that engine should reach a top speed of 610.71 knots. If we remove 10% for extra structural support, cabin space, etc, the top speed becomes 549.637 knots. I’m sold. Besides, if the new Mooney weighed 4,500 lbs at gross, that 1:1 thrust ratio would be nice.
  5. I agree, Jet-A would be wonderful. Mooney just needs to stick an engine from Astron (https://www.astronaerospace.com) in and have it certified. That is, as long as Astron can actually produce the engine with the specs they promise, and that seems like a big if, but if they could…that would be 2,936 horsepower at the Continental IO-550-G’s weight. Then Mooney just needs to stick a counter rotating prop on the nose (for less left turning tendency), enlarge the cabin a little, install the chute, and there you go! I believe the equation for speed is this. New speed= the cube root of (new horsepower/old horsepower) times old speed. The cube root of (2936/280) times 242 knots = 529.68 knots. Gotta love that. Of course, it’s not that simple, but it would be a lot of airplane! It would certainly deliver on “the need for speed,” and I love speed. Maybe they should call it the Mooney Maverick?
  6. I’m sorry, I must have phrased my statement poorly. I was talking about the extent of the aircraft’s taper, not the rate of the taper. I was thinking of an aircraft like the Pipistrel Panthera. I would happily donate to Mooney if I knew they would be able to provide support and parts to their aircraft. And in reference to Garmin in Continental, I was wondering why their products cost so much. These engines have been around for decades, why aren’t they cheaper?! Why does a brand new Continental engine cost from roughly $50K to $100K? Are the material and labor costs really that high, or does Continental just make a massive profit with each engine they sell? I honestly don’t know. Hypothetical question here, but if you were in charge of Mooney, how would you continue operations?
  7. Okay, we can all agree that Mooney has some problems (right?), but I think that it’s possible for them to bounce back. First off, Mooney needs to realize that “debt” is a four letter word. If Mooney has any debt, they should work at paying it off before they work on any other projects. In addition, if they can actually own their land and factory, that would be one less liability to deal with. Second, 15 million dollars is a lot of money. And while that money could come from just one person or group, if several people contributed, then that would relieve stress from one individual, and could possibly attract more investors if they know that they won’t have to pay the whole figure. I propose that everyone who wants to see Mooney continue to support current aircraft as well as build new planes, donate at least 100 dollars to Mooney. Most likely, there will be some people who are willing to donate more than others, and that 15 million dollar figure could sufficiently be whittled down if enough people donate. But it won’t take just 15 million to restart Mooney. Let’s estimate that it will take 30 million for Mooney to continue to support aircraft as well as build new airplanes. Once again, this extra 15 million could be had if investors and owners/operators donated money to the Mooney. (Remember Epic Aircraft? It would take a lot of money, but I believe it can be done.) On to production! Mooney not only needs to be able to catch up to competition (in terms of performance, useful load, parachutes, de-icing, etc), but it needs to provide something that consumers see as more valuable than what the competition has. Much more valuable. Whether this is just a little bit better of everything, or a massive upgrade in one or two particular areas, Mooney needs something that will catch buyer’s eyes. Mooney needs to upgrade specs and performance, but at the same time, underpromise. If Mooney believes that they can get their airplane to break 300 knots, then they should tell potential buyers that they believe their aircraft can hit 275 knots. Why? Let’s say that no matter how hard Mooney tries, they can’t achieve their speed goal, but now they have some wiggle room to be able to keep their promises. In addition, as long as the aircraft can fly faster than 275 knots, then buyers are pleasantly surprised with this accomplishment. In a similar manner, if Mooney thinks they can bring their product to market in 5 years, then tell consumers 7 years. That way you still have wiggle room, and if you do finish in 5 years, you’re ahead of schedule! Once again about airplane performance upgrades. If Mooney has ever played with numbers or fiddled with a fluid dynamics program (I tried this once with X-Plane’s X-Plane Maker) then they should be able to realize that they can significantly reduce drag on their aircraft. The fast back on the Mooney looks cool, but it doesn’t allow laminar flow to work well. Take a look at the Diamond DA-50 or the Pipistrel Panthera. Do you notice how their empennage tapers in quickly from the cabin to a stinger tail? If Mooney could produce a similar shape in their aircraft, they could significantly increase their speed. (For reference, in X-Plane, I got this basic shape with a a Mooney wing and tail feathers to 292 knots at 20,000 feet at 2,500 lbs and 350hp.) See? There is room for improvement! And yes, composites are definitely the way to go. Unless Mooney uses a different material that has a lower coefficient of kinetic friction. (I actually don’t know if this would work, but I don’t see why not. If you can think of a reason it wouldn’t, please let me know!) A quick google search revealed that Aluminum has a coefficient of kinetic friction of 0.47 while Boron-Aluminum-Magnesium (BAM) has a coefficient of kinetic friction of 0.02. I don’t know if this material would work on aircraft, but if it did, it would make sense to me that the aircraft in question would have a significant speed boost. This is not specific to just Mooneys, but it would be really nice if the price of their products could be decreased significantly. It is unacceptable that the price of a small single engine piston costs that of a house. So what drives aircraft’s prices up so much? The engine, avionics, and the certification. Why is it that a rebuilt Continental TSIO-550-G costs over one hundred thousand dollars, and a Continental IO-550-G costs roughly fifty five thousand dollars? https://www.airpowerinc.com/search?pagenumber=5&viewmode=grid&orderby=0&q=IO-550&advs=false That’s too expensive, you can get a really nice car for that! Or what about avionics? Only one Garmin G500TXi costs about $18,500. (https://www.garmin.com/en-US/p/612862/pn/TXi-0G500-04) And then there’s the price of certification. According to General Aviation News, for a Part 23 aircraft, certification costs are roughly 25 million dollars. (https://generalaviationnews.com/2012/09/09/the-cost-of-certification/) (I believe that certification costs are much less for an updated aircraft that has already been certified.) And while certification costs would be hard to lower, something can be done about the other two. Let’s talk about a hypothetical situation here. Let’s say that Mooney goes to Continental (or Garmin) and has a conversation like this. “Hi, I’m interested in buying your product. However, I would like to keep the price of my own product down. Is there some way that we can reach an agreement on lowering the price of your product for us?” Surely it couldn’t hurt to try this approach. Those are just my two cents. Long live Mooney!
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