vmln8r Posted February 23, 2013 Posted February 23, 2013 (edited) I recently got the chance to see some rays up close. The wing movement is just fascinating; I just had to build one.Unlike the real thing (which has an undulating-type wing), this is merely a two-part compound wing. I had planned to use something similar to mahjqa's da Vinci flyer, which achieves a nice fluid movement with two out of phase cranks per wing. What I eventually settled on was something like a scissor-lift, except there's no connection between the overlapping parts of the 'X':This type of wing design requires one crank per wing, which means more space can be allocated to the flaps, which do the job of powering the thing. Then it just took some tinkering with different mounting placements to achieve the ideal range of motion:Just to be clear, all the propulsion is provided by the stingray, no hidden props or such. Power and flotation devices are up top:All in all, it was a very satisfying build; sometimes getting everything right is frustrating, but this time, it all came together cleanly and relatively quickly. Edited February 23, 2013 by VMLN8R Quote
DLuders Posted February 23, 2013 Posted February 23, 2013 Now THAT is unusual! I don't think I've seen Lego Technic "swim" before! Quote
Paul202 Posted February 23, 2013 Posted February 23, 2013 That's amazing, definitely the most creative technic moc I've seen in a long time. Quote
drofnas Posted February 23, 2013 Posted February 23, 2013 That's pretty awesome. I love how fluid those wings move. Thanks for sharing. Quote
Edwin Korstanje Posted February 23, 2013 Posted February 23, 2013 Very great Stingray and your video looks like we are on a dive trip in the caribian Quote
Jeroen Ottens Posted February 23, 2013 Posted February 23, 2013 Great, great MOC! You just proved that indeed you can make anything from Lego (In the Netherlands Lego used the advertisment slogan "van Lego kun je alles maken"). :thumbup: Quote
Edwin Korstanje Posted February 23, 2013 Posted February 23, 2013 (edited) Great, great MOC! You just proved that indeed you can make anything from Lego (In the Netherlands Lego used the advertisment slogan "van Lego kun je alles maken"). :thumbup: I english is that( with Lego you can build anything) Edited February 23, 2013 by VFracingteam Quote
Carsten Svendsen Posted February 23, 2013 Posted February 23, 2013 Now that's pretty cool. Nice fluid motion Quote
Maxim I Posted February 23, 2013 Posted February 23, 2013 Wow, this is indeed surprising!!!! Great job! Quote
Lost_In_Noise Posted February 23, 2013 Posted February 23, 2013 Very nice! It's always nice to see someone think outside the box. Any chance or more pictures of the inner workings? Quote
jorgeopesi Posted February 23, 2013 Posted February 23, 2013 Is nice and it has own propulsion, great job with this MOC. Quote
vmln8r Posted February 23, 2013 Author Posted February 23, 2013 Thanks for your comments everyone, they're much appreciated. Lost_In_Noise, I'm working on an LXF file, but in the meantime, more pictures can be found here. You just proved that indeed you can make anything from Lego (In the Netherlands Lego used the advertisment slogan "van Lego kun je alles maken"). Very true. Speaking of which, did you have any involvement in this set? http://www.youtube.com/watch?v=0QM13kj0bX0 Quote
vmln8r Posted February 24, 2013 Author Posted February 24, 2013 It's around 400 parts; 180 or so for the ray itself. LXF file: http://www.brickshel...8r/Misc/ray.lxf Quote
DLuders Posted February 24, 2013 Posted February 24, 2013 @ VMLN8R: Thanks for making the LDD .lxf file! Now there can be many motorized Lego Manta Rays swimming in the seas: Quote
skylinedan Posted February 24, 2013 Posted February 24, 2013 That is pretty freaking sweet !!! Dan Quote
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