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New Product
Mountain Models EZ Series - EZ SPORT RELEASED!
EZ Sport Released: Mountain Models EZ Sport Link
EZ Cub Released: Mountain Models EZ Cub Link EZ Scout Released: Mountain Models EZ Scout Link WingSpan: 36 in Area: 232 sq in Weight: 11-12 oz Controls: 4 (Ailerons, Elevator, Rudder, Motor) BETA EZ-Cub Build is here: https://www.rcgroups.com/forums/showthread.php?t=785247 These started out a bit over a year ago. While sitting at my favorite coffee spot drawing Cub parts, I had an idea of a "nifty neato" wing attachment method, loosely based on how one of the Laser Arts Sailplane canopies attaches. So, I sketched it up really quick with something called a pencil. Of course, I called up Doug right away and described the concept to him. He drew up a quick CAD drawing and almost exactly got what I was describing. The wing attaches 1-handed, with no nuts, bolts, screws, rubber bands, etc. That eliminates the need for a battery hatch since it’s EZ to get to. The wings are foam, with the first style wing is ~36” and AUW is around 10 to 12 oz, depending on equipment and 3 channel vs. 4 channel. The fuselage construction is similar to the SmoothE, but even EZier. There will be 3 different fuselage platforms for that first wing set to begin with. 2 are done but I have to figure out what to do for the 3rd still. I said before that it’s about a 3-hour bag to RTF series of planes. The fuselage doesn’t need to be covered, which shortens the build time. (though something to seal the wood would be good) The wing can be taped instead of covered, which reduces the build time. Of course, 3 hours is an estimate. I timed the fuselage/tail build and assembly and it took me about 30 minutes, knowing how it goes together. They are really meant to be simple park-flyer planes that you can put together one evening and fly the next morning. ImagesView all Images in thread |
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Last edited by Mountain Models; Jul 25, 2008 at 09:07 PM.
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Yes, they have removable landing gear for those who fly on grass and would rather belly land.
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Cool idea Brian, a kit that can be built as fast as an ARF. Looking forward to seeing more.
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Last edited by Doctor Who; Oct 04, 2007 at 11:47 AM.
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Do you think it could be shrunk to an uber light for a culdesac flyer?
scaled down for 5-7 oz? I would love an indoor/street floater to fly on no wind eveneings in my street. It would have to fly sloooow. Come on Brian....use that scale command in CAD! I am looking forward to the 36" one first! Just couldn't let Brian have a thread that allows him to bask in his glory...gotta harp on the next one! |
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Hi Brian,
It was only after much cajoling, and an excellent covering tutorial by 'Bruce A' that I actually thought I'd have a chance at building a plane from a kit. Now, of course, that's all I want to do... LOL I think this 'transition' idea that you've come up with would be PERFECT for the more timid people like myself to get their feet wet, so to speak. If it stays light, and flies right... it'll be a winner in my opinion! Chuck |
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Hmmmmmm......might be close enough to what I was seeking as I mentioned in the SB Sr. thread. I WILL stay tuned! That said, what dpoles mentioned is even closer to what I think I'm looking for for that kids' project. Not sure if the concept and construction scales down well enough, though. |
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Latest blog entry: Back to full capacity
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BEC, so far, they are around 6.25 to 7.5 oz/sq ft. I didn't want to make them too light so you could still fly them in some good wind. Right now, after iterations, they are outrunner only. The first ones used the GWS350 geared setup and a 2S LiPo. After looking at things though, it's actually cheaper to buy a cheap BP style CD Rom outrunner and a TH-18 ESC than a GWS350 and a Pixie ESC. Brian |
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In addition to transitioning ARF assemblers to airplane builders, I think building and covering success with the EZ series will also encourage someone to try other already existing built up plane kits.... It will be a nice way to get folks to try something new and see how satisfying it is to have something that is original to themselves.
An excellent concept Brian...and if you continue to integrate this into standard wing, fuselage and tail designs, it will be even easier to produce. -Mike |
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And yes I know that wing loading vs. wind capability is one of those "you just can't win" tradeoffs unless you limit yourself to indoors only . I think the Pixie-20s have never come down simply because they aren't in as high demand as a TB-9 or TB-18. I can see these planes with a cheap outrunner turning an 8-9 inch prop on maybe 60-70W (6-7A on 3s) and working very well. And not having to support a 10mm square stick mount makes the front of the plane SO much simpler structurally. All goodness, really. |
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Latest blog entry: Back to full capacity
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These look very cool. I like the idea of something you can build fast, but still customize with some covering, tape etc. so it is a little different from the usual arfs. The red dots are mysterious...what lurks under those red dots...
-Jon |
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Brian explained the wing mount to me quite a while back. I'll be darned if I can remember how it worked though.
Being easy to build and not really requiring any covering skills that scare off a lot of potential builders will make these a big hit. Nice job yet again Brian! Joe |
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