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# Worker robot speed (research)

 Worker robot speed Edit

 Cost 30 1 1 1 ✖ 50

 Cost 30 1 1 1 ✖ 200

 Prototype type Internal name worker-robots-speed-1 Required technologies Allows 2-∞

The Worker robot speed bonus applies to logistic robots and construction robots. The basic speed of logistic robots is 0.05 tiles/tick (3 tiles per second) and for construction robots 0.06 tiles/tick (3.6 tiles per second) when they have enough power. The worker robot speed research also increases the speed at which robots move when out of power, as this is defined as 20% of the current normal travel speed.

Technology Cost Effects Cumulative
effect
1
Worker robot speed 1
30
1
1
1
50
35% 35%
2
Worker robot speed 2
30
1
1
1
100
40% 75%
3
Worker robot speed 3
60
1
1
1
1
150
45% 120%
4
Worker robot speed 4
60
1
1
1
1
250
55% 175%
5
Worker robot speed 5
60
1
1
1
1
1
500
65% 240%
6-∞
Worker robot speed 6-∞
60
1
1
1
1
1
1

2^(Level-6)*1000 (eg. 1000 for level 6, 2000 for level 7, 4000 for level 8)
65% per level 240% + 65%*(Level-5)

## Speed versus range

Players should note that the Worker robot speed research does not significantly increase the distance robots (of either type) can fly before needing to recharge.

Both types of robots have an internal capacitor holding 1.5 MJ at full charge, and consume 3 kW (= 3 kJ / sec) at all times when airborne (hovering or moving), plus 5 kJ per "meter" (= 1 tile) traveled.

While increasing robot speed means they cover the same distance faster, and therefore the time-based power cost component is less over that distance, a simple calculation shows that the distance-based component far exceeds the time-based one, and this discrepancy only increases with higher robot speed, making range gains from this effect increasingly trivial with further robot speed research.

For example, the first level of Worker robot speed adds less than 5% range; level 5 adds only about 1% range (a bit over 10% cumulative); and level 10 (= 5th "infinite" level) adds about 0.3% range for a cumulative increase for the 10 first levels of about 15% (from ~250 to ~290 tiles). Note that these range figures are based on the assumption robots spend all time airborne moving, none hovering.