So the real challenge was making a rocket that could get that 5-6 tons to from Laythe landing to Laythe orbit and that can be dropped safely in its entirety via chutes. This bit masses 5-6 tons and has a DV capacity of 7-8000 m/s (overkill but reducing it wouldn't reduce the mass much and as I said I like to have spare fuel in the tank for getting Jeb back safely. The bulk of the return Delta V is coming from a Kerb module with some Ion engines+Xenon+chutes+solar panels strapped on. My solution is actually surprisingly small.ġ1km/s Δv if you hit all aerobraking opportunities and gravity assists perfectly, and 22km/s if you don't. Tweaked the Radial Decoupler separation.Bishop149 wrote: A whole ship staged to both get to Laythe and take off again and return.Radial decouplers now have their own module (they used to share modules with the stack decoupler).(undocumented) Radial decouplers can now cross-feed fuel.(undocumented) Ejection Force decreased from 15 to 5.Removed parent-wise fuel cross-feed from Radial Decouplers.(unimplemented) Increased the ejection force of Decouplers and Radial Decouplers (too underpowered after the physics fix).Decouplers now obey the second law of physics (Acceleration = Force/Mass).(undocumented) Ejection Force increased from 5 to 120.Since version 0.13 however the stock liquid fuel systems have been radially attachable and either fuel engines below them, or through use of the FTX-2 External Fuel Duct fuel line, also introduced in this version.An easy workaround used by many was simply attaching an RT-10 Solid Fuel Booster to the TT-38K and then stacking liquid fuel system modules below. In the past liquid fuel system modules could not be attached to a TT-38K however, you could attach TT-38Ks to solid fuel system modules.For this reason it is wise to use the decoupler towards one end of the side pod and use EAS-4 Strut Connectors or autostruts to keep the other end steady (preferably a pair to help reduce the twisting the side pod might have). You will often find that if you have a long section of liquid fuel tanks or solid boosters that they can twist the joint and potentially break off or explode on your craft. If a part is attached in this way, then when the decoupler is jettisoned, it will apply its outward force to the top of the jettisoned part, causing it to rotate away from (instead of rotating towards and colliding with) the rocket. If attaching a single part to the TT-38K, it is safest to attach it to the lower half of the decoupler. Additionally, by building a rocket horizontally, players can reduce wobble caused by extremely tall rockets. This makes it possible to stage parts in parallel, and is a critical component of asparagus staging. Since the TT-38K is radially attached, it can be used to attach additional parts to the side of a rocket stack, instead of below it. Visually, the decoupler's legs are left behind, but they add no mass or drag to the parent part. The TT-38K adds a stage to the rocket and when activated will jettison the decoupler as well as anything attached to it, much like the TD-12 Decoupler. The TT-38K Radial Decoupler, like most other decouplers, is equipped with a (hopefully) small explosive charge, that will sever the structural linkage between itself and whatever it's connected to.
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