SRRB's (Boosters)

[selfish_meme]

I spent way too many hours working on these puppies not to show you guys. Here is a quick video of my Superfluously Rotating Recoverable Boosters. Made with a measly 108 stock parts, these useless beauties make some kind of vague helicopterish movements before crashing....I mean landing. They are supposed to rotate independently of the rest of the booster, and they did in testing, just not in this recovery test, that also took way too many tries. I can't think of any good reason to use them, I just kept working on them until they worked, mostly. You must be doing less than 25ms to deploy the blades successfully, the boosters themselves are actually quite powerful, but who needs 108 parts in a booster. I am wiping my boots of them for a while, If you want to continue the obsession, the craft file is here.

Edit: Oh Yeah, thanks to Majorjim for the Thermometer hinges.

Edited February 4, 2016 by selfish_meme

[Majorjim!]

Its a great concept dude, I will definitely have a look at this and see if there is anything that can be done to get them rotating separately.

[XB-70A]

Reminds me the Roton concept.

[winged]

At least it didn't explode.

[Majorjim!]

I just had a peek. I thought the problem was my termo hinge but as it is there just for the moving docking wings that work perfectly I am not so keen to spend time on this. ]

 The problem is the bigger bearing, ooh I might try something after all. BRB

EDIT:

Are you using editor enhancements? You have used cubic struts to attach the blue decouplers (the only decoupler you ever need in KSP) to. You can just surface attach the decoupler and then offset it. The cubic is a waste of a part.

Edited February 4, 2016 by Majorjim

[Gaarst]

Did you not lock your legs ?

[Majorjim!]

Yup, @selfish_meme All you have to do is fix the central bearing. When building it imagine the forces that will be acting on it during operation. Build it with this in mind. That type of bigger bearing is strong and shouldn't have too much problem with the forces involved.

 I have a Mun landing to do so will let another or your good self fix it.

[selfish_meme]

54 minutes ago, Gaarst said:

Did you not lock your legs ?

Probably not, it was one of many tests, not many of them landed

[selfish_meme]

22 minutes ago, Majorjim said:

Yup, @selfish_meme All you have to do is fix the central bearing. When building it imagine the forces that will be acting on it during operation. Build it with this in mind. That type of bigger bearing is strong and shouldn't have too much problem with the forces involved.

 I have a Mun landing to do so will let another or your good self fix it.

It took a while to get the thermo hinges, right, then it took ages to get the docking ports to work consistently, then the main bearing.  The main bearing works well in most scenarios, but it does not deal with lateral force well, it can get stuck or dislodge the battery above it causing a lot of wobble and ultimately a fairly flappy ride to the ground. There are three sets of four wheels in it, but it still get lateral movement. I have seen it turning faster than any other bearing part I have ever seen, but that happens very infrequently. The blade angle is a problem as well, more angle gets the bearing moving quicker but also provides less braking effect to the booster.