diff --git a/ta3_power/axle2power.lua b/ta3_power/axle2power.lua
new file mode 100644
index 0000000..cc06dfd
--- /dev/null
+++ b/ta3_power/axle2power.lua
@@ -0,0 +1,236 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA2 Power Generator
+	
+]]--
+
+-- for lazy programmers
+local M = minetest.get_meta
+local S = techage.S
+local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local S2P = minetest.string_to_pos
+
+local Cable = techage.ElectricCable
+local Axle = techage.Axle
+local power = techage.power
+local networks = techage.networks
+
+local CYCLE_TIME = 2
+local PWR_PERF = 24
+
+local function swap_node(pos, name)
+	local node = techage.get_node_lvm(pos)
+	if node.name == name then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+end
+
+local function on_power(pos)
+	local nvm = techage.get_nvm(pos)
+	nvm.axle = nvm.axle or {}
+	nvm.consumer_powered = true
+	M(pos):set_string("infotext", S("TA2 Power Generator"))
+	swap_node(pos, "techage:ta2_generator_on")
+	nvm.ticks = 0
+	local outdir = M(pos):get_int("outdir")
+	nvm.axle.curr_power = techage.power.needed_power(pos, Cable, outdir)
+end
+
+local function on_nopower(pos)
+	local nvm = techage.get_nvm(pos)
+	nvm.consumer_powered = false
+	if (nvm.ticks or 0) < 4 then
+		M(pos):set_string("infotext", S("TA2 Power Generator: Overload fault?\n(restart with right-click)"))
+	end
+	nvm.ticks = 0
+end
+
+local function node_timer(pos, elapsed)
+	local nvm = techage.get_nvm(pos)
+	nvm.axle = nvm.axle or {}
+	
+	-- trigger network on consumer side
+	nvm.ticks = (nvm.ticks or 0) + 1
+	if nvm.ticks % 2 then
+		power.consumer_alive(pos, Axle, CYCLE_TIME)
+	end
+	
+	-- handle generator side delayed
+	if nvm.ticks > 3 then
+		local outdir = M(pos):get_int("outdir")
+		
+		if nvm.consumer_powered and not nvm.running_as_generator then
+			nvm.running_as_generator = true
+			power.generator_start(pos, Cable, CYCLE_TIME, outdir, nvm.max_power)
+		elseif not nvm.consumer_powered and nvm.running_as_generator then
+			nvm.running_as_generator = false
+			power.generator_stop(pos, Cable, outdir)
+		end
+		
+		if nvm.running_as_generator then
+			nvm.axle.curr_power = power.generator_alive(pos, Cable, CYCLE_TIME, outdir, PWR_PERF) + 1
+		else
+			swap_node(pos, "techage:ta2_generator_off")
+		end
+	end
+	return true
+end
+
+local function tubelib2_on_update2(pos, outdir, tlib2, node) 
+	local nvm = techage.get_nvm(pos)
+	nvm.axle = nvm.axle or {}
+	nvm.axle.curr_power = 1
+	power.update_network(pos, outdir, tlib2)
+end
+
+minetest.register_node("techage:ta2_generator_off", {
+	description = S("TA2 Power Generator"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta2.png^techage_frame_ta2_top.png^techage_appl_arrow.png",
+		"techage_filling_ta2.png^techage_frame_ta2.png",
+		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_hole_electric.png",
+		"techage_filling_ta2.png^techage_axle_clutch.png^techage_frame_ta2.png",
+		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_generator_red.png",
+		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_generator_red.png^[transformFX]",
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=2, crumbly=2, choppy=2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+
+	after_place_node = function(pos)
+		local nvm = techage.get_nvm(pos)
+		nvm.axle = nvm.axle or {}
+		nvm.axle.curr_power = 1
+		nvm.consumer_powered = false
+		nvm.running_as_generator = false
+		M(pos):set_int("outdir", networks.side_to_outdir(pos, "R"))
+		M(pos):set_int("leftdir", networks.side_to_outdir(pos, "L"))
+		Cable:after_place_node(pos)
+		Axle:after_place_node(pos)
+		minetest.get_node_timer(pos):start(CYCLE_TIME)   
+		power.consumer_start(pos, Axle, CYCLE_TIME*2)
+		M(pos):set_string("infotext", S("TA2 Power Generator"))
+	end,
+	
+	on_rightclick = function(pos, node, clicker)
+		local nvm = techage.get_nvm(pos)
+		nvm.axle = nvm.axle or {}
+		nvm.axle.curr_power = 1
+		M(pos):set_string("infotext", S("TA2 Power Generator"))
+	end,
+	
+	after_dig_node = function(pos, oldnode)
+		Cable:after_dig_node(pos)
+		Axle:after_dig_node(pos)
+		techage.del_mem(pos)
+	end,
+	
+	tubelib2_on_update2 = tubelib2_on_update2,
+	on_timer = node_timer,
+	networks = {
+		ele1 = {
+			sides = {R = 1},
+			ntype = "gen1",
+			nominal = PWR_PERF,
+		},
+		axle = {
+			sides = {L = 1},
+			ntype = "con1",
+			on_power = on_power,
+			on_nopower = on_nopower,
+		},
+	}
+})
+
+minetest.register_node("techage:ta2_generator_on", {
+	description = S("TA2 Power Generator"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta2.png^techage_frame_ta2_top.png^techage_appl_arrow.png",
+		"techage_filling_ta2.png^techage_frame_ta2.png",
+		"techage_filling_ta2.png^techage_frame_ta2.png^techage_appl_hole_electric.png",
+		{
+			image = "techage_filling4_ta2.png^techage_axle_clutch4.png^techage_frame4_ta2.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+		{
+			image = "techage_filling4_ta2.png^techage_appl_generator_red4.png^techage_frame4_ta2.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.3,
+			},
+		},
+		{
+			image = "techage_filling4_ta2.png^techage_appl_generator_red4.png^[transformFX]^techage_frame4_ta2.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.3,
+			},
+		},
+	},
+	paramtype2 = "facedir",
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	drop = "",
+	groups = {not_in_creative_inventory=1},
+	diggable = false,
+
+	tubelib2_on_update2 = tubelib2_on_update2,
+	on_timer = node_timer,
+	networks = {
+		ele1 = {
+			sides = {R = 1},
+			ntype = "gen1",
+			nominal = PWR_PERF,
+		},
+		axle = {
+			sides = {L = 1},
+			ntype = "con1",
+			on_power = on_power,
+			on_nopower = on_nopower,
+		},
+	}
+})
+
+techage.register_node({"techage:ta2_generator_off", "techage:ta2_generator_on"}, {
+	on_node_load = function(pos, node)
+		minetest.get_node_timer(pos):start(CYCLE_TIME)
+	end,
+})
+
+Cable:add_secondary_node_names({"techage:ta2_generator_off", "techage:ta2_generator_on"})
+Axle:add_secondary_node_names({"techage:ta2_generator_off", "techage:ta2_generator_on"})
+
+minetest.register_craft({
+	output = "techage:ta2_generator_off",
+	recipe = {
+		{"basic_materials:steel_bar", "dye:red", "default:wood"},
+		{'techage:axle', 'basic_materials:gear_steel', 'techage:electric_cableS'},
+		{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
+	},
+})
+
diff --git a/ta3_power/power2axle.lua b/ta3_power/power2axle.lua
new file mode 100644
index 0000000..3e37294
--- /dev/null
+++ b/ta3_power/power2axle.lua
@@ -0,0 +1,245 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA3 Electric Motor
+	
+]]--
+
+-- for lazy programmers
+local M = minetest.get_meta
+local S = techage.S
+local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
+local S2P = minetest.string_to_pos
+
+local Cable = techage.ElectricCable
+local Axle = techage.Axle
+local power = techage.power
+local networks = techage.networks
+
+local CYCLE_TIME = 2
+local PWR_PERF = 40
+
+-- Axles texture animation
+local function switch_axles(pos, on)
+	for _,outdir in ipairs(networks.get_node_connections(pos, "axle")) do
+		Axle:switch_tube_line(pos, outdir, on and "on" or "off")
+	end
+end
+
+local function swap_node(pos, name)
+	local node = techage.get_node_lvm(pos)
+	if node.name == name then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+end
+
+local function on_power(pos)
+	local nvm = techage.get_nvm(pos)
+	nvm.ele1 = nvm.ele1 or {}
+	nvm.consumer_powered = true
+	M(pos):set_string("infotext", S("TA3 Electric Motor"))
+	swap_node(pos, "techage:ta3_motor_on")
+	nvm.ticks = 0
+	local outdir = M(pos):get_int("outdir")
+	nvm.ele1.curr_power = techage.power.needed_power(pos, Axle, outdir)
+end
+
+local function on_nopower(pos)
+	local nvm = techage.get_nvm(pos)
+	nvm.consumer_powered = false
+	if (nvm.ticks or 0) < 4 then
+		M(pos):set_string("infotext", S("TA3 Electric Motor: Overload fault?\n(restart with right-click)"))
+	end
+	nvm.ticks = 0
+end
+
+local function node_timer(pos, elapsed)
+	local nvm = techage.get_nvm(pos)
+	nvm.ele1 = nvm.ele1 or {}
+	
+	-- trigger network on consumer side
+	nvm.ticks = (nvm.ticks or 0) + 1
+	if nvm.ticks % 2 then
+		power.consumer_alive(pos, Cable, CYCLE_TIME)
+	end
+	
+	-- handle generator side delayed
+	if nvm.ticks > 3 then
+		local outdir = M(pos):get_int("outdir")
+		
+		if nvm.consumer_powered and not nvm.running_as_generator then
+			nvm.running_as_generator = true
+			power.generator_start(pos, Axle, CYCLE_TIME, outdir, nvm.max_power)
+			switch_axles(pos, true)
+		elseif not nvm.consumer_powered and nvm.running_as_generator then
+			nvm.running_as_generator = false
+			power.generator_stop(pos, Axle, outdir)
+			switch_axles(pos, false)
+		end
+		
+		if nvm.running_as_generator then
+			nvm.ele1.curr_power = power.generator_alive(pos, Axle, CYCLE_TIME, outdir, PWR_PERF) + 1
+		else
+			swap_node(pos, "techage:ta3_motor_off")
+		end
+	end
+	return true
+end
+
+local function tubelib2_on_update2(pos, outdir, tlib2, node) 
+	local nvm = techage.get_nvm(pos)
+	nvm.ele1 = nvm.ele1 or {}
+	nvm.ele1.curr_power = 1
+	power.update_network(pos, outdir, tlib2)
+end
+
+minetest.register_node("techage:ta3_motor_off", {
+	description = S("TA3 Electric Motor"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta3.png^techage_frame_ta3_top.png^techage_appl_arrow.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_axle_clutch.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_appl_hole_electric.png^techage_frame_ta3.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_generator_red.png^[transformFX]",
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_generator_red.png",
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=2, crumbly=2, choppy=2},
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+
+	after_place_node = function(pos)
+		local nvm = techage.get_nvm(pos)
+		nvm.ele1 = nvm.ele1 or {}
+		nvm.ele1.curr_power = 1
+		nvm.consumer_powered = false
+		nvm.running_as_generator = false
+		M(pos):set_int("outdir", networks.side_to_outdir(pos, "R"))
+		M(pos):set_int("leftdir", networks.side_to_outdir(pos, "L"))
+		Cable:after_place_node(pos)
+		Axle:after_place_node(pos)
+		minetest.get_node_timer(pos):start(CYCLE_TIME)   
+		power.consumer_start(pos, Cable, CYCLE_TIME*2)
+		M(pos):set_string("infotext", S("TA3 Electric Motor"))
+	end,
+	
+	on_rightclick = function(pos, node, clicker)
+		local nvm = techage.get_nvm(pos)
+		nvm.ele1 = nvm.ele1 or {}
+		nvm.ele1.curr_power = 1
+		M(pos):set_string("infotext", S("TA3 Electric Motor"))
+	end,
+	
+	after_dig_node = function(pos, oldnode)
+		Cable:after_dig_node(pos)
+		Axle:after_dig_node(pos)
+		techage.del_mem(pos)
+	end,
+	
+	tubelib2_on_update2 = tubelib2_on_update2,
+	on_timer = node_timer,
+	networks = {
+		axle = {
+			sides = {R = 1},
+			ntype = "gen1",
+			nominal = PWR_PERF,
+		},
+		ele1 = {
+			sides = {L = 1},
+			ntype = "con1",
+			on_power = on_power,
+			on_nopower = on_nopower,
+		},
+	}
+})
+
+minetest.register_node("techage:ta3_motor_on", {
+	description = S("TA3 Electric Motor"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"techage_filling_ta3.png^techage_frame_ta3_top.png^techage_appl_arrow.png",
+		"techage_filling_ta3.png^techage_frame_ta3.png",
+		{
+			image = "techage_filling4_ta3.png^techage_axle_clutch4.png^techage_frame4_ta3.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.6,
+			},
+		},
+		"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_hole_electric.png",
+		{
+			image = "techage_filling4_ta3.png^techage_appl_generator_red4.png^[transformFX]^techage_frame4_ta3.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.3,
+			},
+		},
+		{
+			image = "techage_filling4_ta3.png^techage_appl_generator_red4.png^techage_frame4_ta3.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 32,
+				aspect_h = 32,
+				length = 0.3,
+			},
+		},
+	},
+	paramtype2 = "facedir",
+	on_rotate = screwdriver.disallow,
+	is_ground_content = false,
+	drop = "",
+	groups = {not_in_creative_inventory=1},
+	diggable = false,
+
+	tubelib2_on_update2 = tubelib2_on_update2,
+	on_timer = node_timer,
+	networks = {
+		axle = {
+			sides = {R = 1},
+			ntype = "gen1",
+			nominal = PWR_PERF,
+		},
+		ele1 = {
+			sides = {L = 1},
+			ntype = "con1",
+			on_power = on_power,
+			on_nopower = on_nopower,
+		},
+	}
+})
+
+techage.register_node({"techage:ta3_motor_off", "techage:ta3_motor_on"}, {
+	on_node_load = function(pos, node)
+		minetest.get_node_timer(pos):start(CYCLE_TIME)
+	end,
+})
+
+Cable:add_secondary_node_names({"techage:ta3_motor_off", "techage:ta3_motor_on"})
+Axle:add_secondary_node_names({"techage:ta3_motor_off", "techage:ta3_motor_on"})
+
+minetest.register_craft({
+	output = "techage:ta3_motor_off",
+	recipe = {
+		{"basic_materials:steel_bar", "dye:red", "default:wood"},
+		{'techage:electric_cableS', 'basic_materials:gear_steel', 'techage:axle'},
+		{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
+	},
+})
+
diff --git a/textures/techage_appl_generator_red.png b/textures/techage_appl_generator_red.png
new file mode 100644
index 0000000..751fc85
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diff --git a/textures/techage_appl_generator_red4.png b/textures/techage_appl_generator_red4.png
new file mode 100644
index 0000000..15c99d8
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