* FIX - SSTUResourceBoiloff poor handling of un-focused vessels; now simulate un-focused time with the last known effectiveness from an EC use perspective; this ignores solar-panel occlusion and distance, rtg/reactor decay, and pretty much all else.  If you had enough power when you un-focused the craft, it will simulate as if you had enough power the whole time when you re-focus the craft.
  * KNOWN ISSUE - only currently checks to see if you were at zero/low battery and uses last-available EC percent; should possibly switch it around to check for the total EC delta between updates, and simply use 'if stable or positive, simulate full EC charge'.  Might also just leave it as-is; it will be less error-prone and more forgiving in its current/new state.
* FIX - Improper volume calculation for ModelSwitch-RealFuels interaction; it should no longer be erroneously multiplying by an additional 1000, and report more sane values for RealFuels setups.
* CHANGE - Overhaul to animation handling system to make it even more generic; this was done to simplify the coding for multi-segment animated cargo-bays.  This also effects the existing SSTUAnimateControlled modules code, however it -should- have no noticeable effect on existing craft (it loads and saves the same data).  Please report any animation related issues you encounter, as they are likely related to this change.  The overhaul is not quite done yet as I learned a few new things in the process and need to apply them to the rest of the code.
* NEW PART - SC-GEN-HGA - High-Gain-Antenna from SC-B parts, made as a stand-alone part for general use.  Base config by JoseEduardo.  Note that the mounting orientation on it seems strange, as it is intended to be mounted on the -bottom- of a fuel tank rather than the side.
* NEW PROTOTYPE PART - SC-BAY-MCB-A - Modular Cargo Bay - Saddle Truss variant.
  * Works very similarly to the SC-MFT tanks for GUI controls and shares much of the same backend code.
  * KNOWN ISSUE - Untextured, and a few of the models' geometry is off a bit.
  * KNOWN ISSUE - No end-caps have been added yet; they will use the same nose/mount system as the MFT tanks and will be able to use any of the adapter/nosecone models in the future.
  * KNOWN ISSUE - They all have a set mass (0.5t at 5m diameter).  This will be adjusted in the future/before they are finished
  * KNOWN ISSUE - Surface attach on the interior of the cargo bay is... strange.  This is a stock limitation on the way surface-attachment calculates the attach axis.  You will need to manually rotate/translate parts into place after surface-attaching them.
  * KNOWN ISSUE - Using the stock offset tool with node or surfaced attached parts can have odd results when offsetting very far.  Some of this is due to incomplete parts (missing colliders), but most is merely stock quirkiness.  Apparently there are some new config settings that can be used to fix this but I have not yet investigated them.

GameData/SSTU/Data/ModelData/ModelData-MCB-A.cfg

@@ -0,0 +1,96 @@
+SSTU_MODEL
+{
+	name = MCB-A-0-5
+	modelName = SSTU/Assets/SC-MCB-A-0-5
+	volume = 0
+	mass = 0.5
+	height = 2.9
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}
+SSTU_MODEL
+{
+	name = MCB-A-1-0
+	modelName = SSTU/Assets/SC-MCB-A-1-0
+	volume = 0
+	mass = 0.5
+	height = 5.4
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}
+SSTU_MODEL
+{
+	name = MCB-A-1-5
+	modelName = SSTU/Assets/SC-MCB-A-1-5
+	volume = 0
+	mass = 0.5
+	height = 7.9
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}
+SSTU_MODEL
+{
+	name = MCB-A-2-0
+	modelName = SSTU/Assets/SC-MCB-A-2-0
+	volume = 0
+	mass = 0.5
+	height = 10.4
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}
+SSTU_MODEL
+{
+	name = MCB-A-2-5
+	modelName = SSTU/Assets/SC-MCB-A-2-5
+	volume = 0
+	mass = 0.5
+	height = 12.9
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}
+SSTU_MODEL
+{
+	name = MCB-A-3-0
+	modelName = SSTU/Assets/SC-MCB-A-3-0
+	volume = 0
+	mass = 0.5
+	height = 15.4
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}
+SSTU_MODEL
+{
+	name = MCB-A-3-5
+	modelName = SSTU/Assets/SC-MCB-A-3-5
+	volume = 0
+	mass = 0.5
+	height = 17.9
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}
+SSTU_MODEL
+{
+	name = MCB-A-4-0
+	modelName = SSTU/Assets/SC-MCB-A-4-0
+	volume = 0
+	mass = 0.5
+	height = 20.4
+	diameter = 5
+	fairingTopOffset = -0.2
+	defaultTextureSet = none
+	node = 0, 0, -2.4, 0, 0, 1, 2
+}

GameData/SSTU/Data/TechLimits.cfg

@@ -5,45 +5,64 @@ TECHLIMITSET
 	{
 		name = start
 		diameter = 1.25
+		//0 science
 	}
 	TECHLIMIT
 	{
 		name = generalRocketry
 		diameter = 1.875
+		//20 science -- huh? should maybe be advancedRocketry, 45 science node?
+		//why are these available so early, what relies on them that needs them unlocked at this point (when most haven't even gotten to orbit yet, which is quite doable with 1.25m stacks, ?)
 	}
 	TECHLIMIT
 	{
 		name = generalConstruction
 		diameter = 1.875
+		//45 science
 	}
 	TECHLIMIT
 	{
 		name = flightControl
 		diameter = 1.875
+		//45 science
 	}
 	TECHLIMIT
 	{
 		name = fuelSystems
 		diameter = 2.5
+		//90 science
 	}
 	TECHLIMIT
 	{
 		name = propulsionSystems
 		diameter = 2.5
+		//90 science
 	}	
 	TECHLIMIT
 	{
 		name = heavyRocketry
 		diameter = 2.5
+		//90 science
 	}
+	//3.125m node
+	//possibilities are basically limited to the 160 science nodes, which are:
+	// heavier rocketry, precision propulsion, adv. fuel systems, specialized construction, actuators, supersonic flight, advanced aerodynamics, advaned landing,, specialized control, command modules, advanced exploration, precision engineering, advanced electronics
 	TECHLIMIT
 	{
 		name = largeVolumeContainment
 		diameter = 3.75
-	}
+		//300 science
+		//alternates: nuclear propulsion, large volume containment, advanced metalworks, composites, high altitude flight, heavy aerodynamics, heavy landing, field science, science tech, unmanned tech, electronics, high-power electrics
+		//custom alternative -- advanced heavy rocketry (custom SSTU node)
+		//   TODO - how to optionally rely on that node only if it is defined?
+		//	 TODO - really need to test/figure out that bit of MM functionality
+	}	
 	TECHLIMIT
 	{
 		name = veryHeavyRocketry
 		diameter = 10
+		//550 science
+		//alternatives should be any of the 550 / 1000 science nodes
+		//perhaps make the 5m be at the 550s, and the >5m/full-unlock be at the 1000 tech nodes
 	}
 }

GameData/SSTU/MiniAVC/SSTULabs.version

@@ -8,7 +8,7 @@
 		"MAJOR":0,
 		"MINOR":4,
 		"PATCH":31,
-		"BUILD":115
+		"BUILD":116
 	},
 	"KSP_VERSION":
 	{

GameData/SSTU/Parts/ShipCore/Bays/SC-MCB-A.cfg

@@ -0,0 +1,197 @@
+PART
+{
+module = Part
+name = SSTU-SC-BAY-MCB-A
+author = Shadowmage
+
+TechRequired = basicRocketry
+entryCost = 16000
+cost = 3280
+category = FuelTank
+subcategory = 0
+title = SSTU - SC-BAY - MCB-A - Saddle Truss Cargo Bay
+manufacturer = SSTU
+description = SSTU - ShipCore: Bays - Saddle Truss Cargo Bay.  
+tags = cargo, bay, storage
+
+MODEL
+{
+	model = SSTU/Assets/EmptyProxyModel
+}
+rescaleFactor = 1
+
+// nodes/attachment 
+// node position specification: posX,posY,posZ,axisX,axisY,axisZ,size
+// attachment rules: stack, srfAttach, allowStack, allowSrfAttach, allowCollision
+node_stack_top = 0,1,0,0,1,0,2
+node_stack_top2 = 0,1,0,0,1,0,2
+node_stack_top3 = 0,1,0,0,1,0,2
+node_stack_top4 = 0,1,0,0,1,0,2
+node_stack_bottom =  0,-1,0,0,-1,0,2
+node_stack_bottom2 =  0,-1,0,0,-1,0,2
+node_stack_bottom3 =  0,-1,0,0,-1,0,2
+node_stack_bottom4 =  0,-1,0,0,-1,0,2
+node_stack_interstage = 0,-1,0,0,-1,0,2
+node_stack_dorsal = -1,0,0,-1,0,0,2
+node_stack_front = 0, 2.5, 0, 0, -1, 0, 2
+node_stack_rear = 0, -2.5, 0, 0, 1, 0, 2
+node_attach = 2.5, 0, 0, 1, 0, 0
+attachRules = 1,1,1,1,0
+
+mass = 4.665
+crashTolerance = 14
+maxTemp = 2000
+fuelCrossFeed = True
+breakingForce = 2000
+breakingTorque = 2000
+
+MODULE
+{
+	name = SSTUVolumeContainer
+	//default placeholder volume; set by MCB module below
+	volume = 100000
+	enableContainerEdit = true
+	enableFuelTypeChange = true
+	baseContainerIndex = 0
+	CONTAINER
+	{
+		name = Main Tank
+		percent = 100
+		tankageVolume = 0.15
+		tankageMass = 0.15
+		defaultModifier = standard
+		defaultFuelPreset = LFO
+		resource = LiquidFuel
+		resource = LqdHydrogen
+		resource = Oxidizer
+		resource = MonoPropellant
+		resource = Aerozine50
+		resource = NTO
+		resource = ElectricCharge
+		modifier = standard
+		modifier = lbo
+		modifier = zbo
+		modifier = light
+		modifier = structural
+	}
+}
+MODULE
+{
+	name = SSTUModularCargoBay
+
+	currentTankType = MCB-A-2-0	
+	currentNoseType = Mount-None
+	currentMountType = Mount-None	
+	currentTankDiameter = 2.5
+
+	tankDiameterIncrement = 0.625
+	minTankDiameter = 0.625
+	maxTankDiameter = 10
+	topManagedNodeNames = top, top2, top3, top4
+	bottomManagedNodeNames = bottom, bottom2, bottom3, bottom4
+	techLimitSet = Default
+
+	TANK
+	{
+		name = MCB-A-0-5
+	}
+	TANK
+	{
+		name = MCB-A-1-0
+	}
+	TANK
+	{
+		name = MCB-A-1-5
+	}
+	TANK
+	{
+		name = MCB-A-2-0
+	}
+	TANK
+	{
+		name = MCB-A-2-5
+	}
+	TANK
+	{
+		name = MCB-A-3-0
+	}
+	TANK
+	{
+		name = MCB-A-3-5
+	}
+	TANK
+	{
+		name = MCB-A-4-0
+	}
+
+	CAP
+	{
+		name = Mount-None
+	}
+}
+
+//the end-cap/mount fairing module
+MODULE
+{
+	name = SSTUNodeFairing
+	diffuseTextureName = SSTU/Assets/SC-GEN-Fairing-DIFF
+	nodeName = bottom
+	snapToNode = true
+	snapToSecondNode = true
+	canManuallyJettison = true
+	canAdjustSections = true
+	canAdjustBottom = true
+	canAdjustTop = false
+	FAIRING
+	{
+		canAdjustBottom = true
+		canAdjustTop = true
+	}
+
+	currentTextureSet = Fairings-White
+	TEXTURESET
+	{
+		name = Fairings-White
+	}
+}
+
+//the cargo-bay fairing module
+MODULE
+{
+	name = SSTUNodeFairing
+	diffuseTextureName = SSTU/Assets/SC-GEN-Fairing-DIFF
+	snapToNode = false
+	snapToSecondNode = false
+	canManuallyJettison = true
+	canAdjustSections = true
+	canAdjustBottom = false
+	canAdjustTop = false
+	FAIRING
+	{
+		canAdjustBottom = true
+		canAdjustTop = true
+	}	
+	currentTextureSet = Fairings-White
+	TEXTURESET
+	{
+		name = Fairings-White
+	}
+}
+
+//interstage node toggle module, for mounts/etc interstage node setup
+MODULE
+{
+	name = SSTUSelectableNodes
+	nodeName = interstage
+	startsEnabled = false
+}
+
+//airstream shielding; used by fairing and MCB
+MODULE
+{
+	name = SSTUAirstreamShield
+	//no default shielding, all defined through modules
+	//TODO verify that this is a valid setup for that module / fix it if it is not
+}
+
+}