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Everything posted by dhc6twinotter
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Thanks for the links! I've seen the picture and the image in the first link, but I haven't seen the image in the 2nd link, and it's a much better diagram. I've been planning to use a dual slide like those links show, but the part I'm stuck on is the combat/maneuver flap position that the newer P-38s have (J or L variant and onwards--can't remember which). It's sort of a "hybrid" split and fowler flap. When combat (or some places call it maneuver) setting is selected, the flaps just drop a bit and don't slide back. When in landing configuration, the flaps slide back and down. I'm going to try a pneumatic flaps system that still allows for incremental adjustments, but I've yet to test it. I want to get the cockpit and landing gear sorted out before I begin working on the flaps. EDIT: I'm looking at the diagram in the first link again, and it has a maneuver setting labeled. According to the diagram, the flaps do move back when maneuver setting is selected, but that's inconsistent with what I've read elsewhere. I think I have more research to do.
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I'm working on the cockpit controls of my P-38. Fitting all the working levers and buttons is a challenge. Also working on the right hand engine/landing gear/prop pitch mechanism. I've been trying to dig up diagrams of the P-38 landing gear actuators and their locations, but so far have been unsuccessful. I may have to make up my own design in this area. Same with the flap guides. I'll start a WIP thread once I get a little further along. Awesome!
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Effe's MOC Corner
dhc6twinotter replied to efferman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
That is a very nice loader! Excellent job building the body! Is there a planetary gear set in the wheels? -
[WIP] HEMTT
dhc6twinotter replied to JMChristopher's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Looking good! If you have the space, a couple more 16t gears and three 24t gears can work for your configuration. Or, you could use a couple 12t gears, a couple of 20t gears, and three 24t gears if you want a bit more gear reduction. -
If there is a servo in the set, it would be for steering. I think a servo with 1:2 or 1:3 reduction would be enough to operate the articulated steering, but It would probably be a bit jerky. Honestly, I would prefer to see an M or L motor and LAs for the steering, but a servo motor sounds intriguing. It makes for a nice parts pack as well. A gearbox isn't needed when you only have 4 functions. That would make things unnecessarily complicated and ruin playability. A servo would not be ideal for a gearbox anyways--if there were a servo moving the driving rings, the person operating the remote control would have to constantly keep the driving ring engaged and simultaneously operate whatever function. This uses unnecessary battery juice, and is more complicated to play with. An M or L motor geared through a clutch gear would be more ideal for a simple two position gearbox. 2 L motors for the bucket, XL for drive, and servo (if correct) for steering makes much more sense to me. But, I've been wrong in the past, so who knows…. Just my $.02.
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[JFAIR] Spitfire (WIP)
dhc6twinotter replied to apemax's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Looking great! Sptifire is a great plane to replicate! -
Awesome! I just watched the 1st half of the movie again a few months ago with my nieces and nephew. I thought it looked like a great LEGO project, and it's awesome to see you building this!
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Here in the states, I prefer Delta. I don't fly international much, but a few months ago I flew Asiana to the Philippines, with a layover in Seoul. I've heard iffy things about their pilot training, but the customer service is the best I've seen. It was an 11 hour flight, and we had two meal services, a hot snack between meals, and we were constantly being offered drinks, all in economy. I'd like to fly them again once their A380 and A350 aircraft arrive. Last year, I flew on Cathay Pacific to the Philippines. Overall service was not as great as Asiana, but the flight attendants were much more helpful, mainly because they spoke English well (Asiana flight attendants not so much). Cathay Pacific also had less seat pitch than Asiana. I'd like to try Singapore Airlines or Korean Airlines on my next trip to the Philippines. I've heard good things about both airlines.
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Most turbo-props have the ability to change blade pitch, which helps when slowing down. I've attached a picture with the ailerons and flaps labeled. -The ailerons are towards the tips of the wings and control the roll of the plane. They move up and down. -There are also trim tabs on each aileron, and they allow the pilots to make fine adjustments that control the level flight of the plane. They move up and down. Not really necessary on a LEGO model, unless you want to add that extra little detail. -The flaps on the Saab340 appear to be a single flap on each wing that runs beneath the engine exhaust. The flaps provide additional lift at low speeds. The Saab340 uses single-slotted flaps with offset hinges. They move down. They don't move upwards (unless being retracted of course). The Saab340 does not have spoilers. Hope that helps! Looks like an awesome project! Here is a link to some info that might help: http://www.saabgroup... ever built.pdf
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Effe's MOC Corner
dhc6twinotter replied to efferman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Looking really good there, efferman! -
So, regarding the new front loader, I've been wondering if we will see a stronger u-joint introduced. I'm pretty certain the front loader is 4wd (would be a major fail if not), and with a single XL motor driving the wheels, there needs to be a u-joint at the articulation point. This model is large and heavy, and with a XL motor driving the wheels, there is a lot of torque being put on the u-joint. Could LEGO use the existing u-joint, or perhaps LEGO has a new type of u-joint included in this set? Probably wishful thinking on my part, but it would be nice to see.
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I might have to come up with something for this. I was planing to build a P-38 sometime anyways, so I might be able to have it done in time for this.
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I actually don't mind that LEGO is doing another front loader, or that another piece of construction equipment is this years flagship. If LEGO is going to keep to the ~200usd price for flagship models, I don't see them offering much more than 4 motors in a RC set. This means a max of 6 functions, which doesn't leave TLG with many options. People on here expect LEGO to build super complex model, like Sheepo's Land Rover, but most people won't pay $500+ for a set. I know I won't. I think we need to be a bit more realistic with our expectations. Regarding the front loader, I probably won't buy it because I don't need the motors or a bunch more yellow liftarms. However, if I were just getting back into LEGO, I'd jump all over this set. All the motors would come in handy. Just my $.02.
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So, the info we have so far: -An "unexpected" licensed model -Unimog wheels -Large model -Large box -1626 pieces -Same price as Mobile Crane MKII -Package weight of 3.3kg Assuming all this is correct info, my guesses are the following: -Scraper. RC, 4 Unimog tires, 4 motors (drive, steer, raise/lower scraper, scraper dump) -Front-end loader. RC, 4 Unimog tires, 4 motors (drive, steer, raise/lower loader, dump loader) -Off-road dump truck. RC, 6 Unimog tires, 4 motors (drive, steer, dump, gate open/close) My wild-card guesses are below. IMHO, these are more doubtful, but could be possibilities. -Forwarder. RC, 6 or 8 Unimog tires, 4 motors operating 6 functions through gearbox (drive, steer, rotate boom, boom up/down, stick up/down, grapple open/close, gearbox.) This is doubtful because Unimog tires would be the wrong type of tire to use. -Telehandler. RC, 4 Unimog tires, 4 motors operating 6 functions through gearbox (drive, steer, boom up/down, boom extend, forks, stabilizers, gearbox) This is doubtful because the Unimog tires seem to be too large. Smaller balloon tires would fit better, imho. -Road Grader. RC, 6 unimog tires, 6 motors operating 10 functions through gearbox. This is doubtful because there are too many PF components, and it would be difficult to fit everything in the model. -Mars Rover. RC, 6 Unimog tires, 4 motors (drive, steer, and 2 arm functions). This is a bit off-the-wall though, and kinda doubtful. And, one more guess: - A non-RC road grader with heavy use of pneumatic parts. 6 unimog wheels, motorized compressor, 5 large pneumatic cylinders, 3 small pneumatic cylinders. The large number of pneumatic parts could account for the increased price, although the price does seem steep, even for all the pneumatic parts. I would love to see this more than any of the other models. As for the "unexpected" license, Cat, John Deere, or NASA would fit the above. I don't think we will see Sheepos Land Rover happen. As great as it is, I doubt LEGO would sell it because It's too heavy, too complex, and has too many motors. A simplified version may work, but then it's too similar to the off-road models we've seen the past two years.
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4. majorna - 2 27. Galaktek - 1 28. Simon_S - 2
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Looks like some great project people are working on! My plans, should I settle back down this year: -Finish my forwarder -Maybe build a feller buncher to go along with forwarder -Build another airplane, either a P-38 or Avenger (already have bits for the Avenger built) -Maybe build a Sikorsky Super Stallion (already have rotor assembly partially built) -Maybe build a HD tow truck (looking at two different models) -Build a road grader once the forwarder is taken apart (probably in 2015) -Maybe scrap all these ideas and build something else off my long list of things I want to build. Of course, at the rate I build, I may only finish the forwarder and feller buncher.
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Merry Christmas you all!
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Building with 45 Degree Angles - Question
dhc6twinotter replied to Defaultsound's topic in General LEGO Discussion
Sorry, I should have included more info. The only name for the part I've seen is LEGO Plate A-Frame 45° (15706). There are two or three 2014 Ninjago sets that have the part, and I'm sure more to follow. BrickOwl has a few for sale: http://brickowl.com/catalog/lego-plate-a-frame-45-15706