elite0x33 Posted June 18, 2012 Share Posted June 18, 2012 After downloading some plugins and parts (a lot actually) I finally had the pieces I needed to make a VTOL-based aircraft which to me, is the coolest damn thing ever. To be honest, it\'s still wonky but I attempted to get it as close as possible to the real thing using the parts I had.It does fly, but it will not fly like a plane at full horizontal, it just loses altitude, and at full vertical, it doesn\'t really hover like a helicopter it pulls back. I\'ve tried adding more wings to give it some kind of lift, but that doesn\'t seem to matter, its only way of getting off of the ground is a happy medium between Vert/Horizontal.. so it\'s a VHTOL aircraft ;D..Here\'s some pictures: Link to comment Share on other sites More sharing options...
Joshmo Posted June 18, 2012 Share Posted June 18, 2012 I have been working on a craft very similar to this one for several weeks now with very little success. Balance is an issue, of course, and the switch from vertical to horizontal is extremely sketchy. Link to comment Share on other sites More sharing options...
Shadoworgon Posted June 18, 2012 Share Posted June 18, 2012 Wow nice job making it look like the osprey! and yeah ive had the same problem with VTOL\'s when i go to full vertical they always pull back, even if i have 4 engines =P Link to comment Share on other sites More sharing options...
elite0x33 Posted June 19, 2012 Author Share Posted June 19, 2012 Thanks!And yeah, I\'m a tech, not so much an engineer so I have no idea how to make it stop. Watching vids of ospreys taking off don\'t really help either. Good luck on your craft! Link to comment Share on other sites More sharing options...
SasquatchM Posted June 19, 2012 Share Posted June 19, 2012 LOTS of control surfaces, and [KILL ROT] on MechJeb Link to comment Share on other sites More sharing options...
egglampbasket Posted June 20, 2012 Share Posted June 20, 2012 I have been working on a craft very similar to this one for several weeks now with very little success. Balance is an issue, of course, and the switch from vertical to horizontal is extremely sketchy.So it\'s just like the real thing? Link to comment Share on other sites More sharing options...
Inquisition Posted June 23, 2012 Share Posted June 23, 2012 This was just on TV, seeing you making one now makes me want to make my own. Link to comment Share on other sites More sharing options...
colmo Posted June 23, 2012 Share Posted June 23, 2012 For vertical flight, you need to balance the thrust with the centre of mass - correct positioning of engines in the \'up\' position is crucial. For horizontal flight, you need to balance the centre of mass (engines \'down\') with the centre of lift - use of control surfaces front or back will shift this without adding too much weight and thus messing up your centre of mass. Link to comment Share on other sites More sharing options...
RavingManiac Posted June 23, 2012 Share Posted June 23, 2012 With tiltjets and tiltrotors, thrust vectoring is needed for any sort of stability, even if the the center-of-thrust is in exactly in-line with the center-of-lift. The real-life V-22 Osprey relies on nacelle tilt for this. Link to comment Share on other sites More sharing options...
Joshmo Posted June 24, 2012 Share Posted June 24, 2012 So it\'s just like the real thing?haha, exactly. I, however, am a terrible pilot. Link to comment Share on other sites More sharing options...
colmo Posted June 24, 2012 Share Posted June 24, 2012 With tiltjets and tiltrotors, thrust vectoring is needed for any sort of stability, even if the the center-of-thrust is in exactly in-line with the center-of-lift. The real-life V-22 Osprey relies on nacelle tilt for this.Thanks to my post on this thread, I managed to build a VTOL using DYJ\'s Vjturbine engine. I only noticed afterwards that it has no gimbal capability. Fortunately, use of ASAS and control surfaces (and a lot of care and testing) meant the plane worked a treat. I\'ll have to compare with a gimbal engine to see the difference.The problem with the big hinge is that the weight shifts quite a lot between V and H modes. That\'s why I went for the opposing rotatrons instead, and it paid off. Link to comment Share on other sites More sharing options...
Guest Posted October 12, 2016 Share Posted October 12, 2016 When making a VTOL, it's mandatory to have your center of thrust aligned with your center of mass, or else it will spin. Download the mod "RCS Build Aid", it night help you with aligning multiple engines. Link to comment Share on other sites More sharing options...
Azimech Posted October 13, 2016 Share Posted October 13, 2016 Dear mother of necro's ... what have you done! Link to comment Share on other sites More sharing options...
Vanamonde Posted October 13, 2016 Share Posted October 13, 2016 Yeah, this thread is past its sell-by date. Start a new one if you'd still like to talk about Osprey imitators with current game parts and mechanics. Link to comment Share on other sites More sharing options...
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