fixedspeed
adjectiveUK /ˌfɪkst ˈspiːd/
US /ˌfɪkst ˈspid/
Always going at the same speed and never faster or slower.
The toy train runs at a fixedspeed around the track.
OTHER MEANINGS
2. A speed that is set and cannot be changed.
This fan has a fixedspeed, so you cannot make it spin faster.
3. Moving at a rate that stays the same the whole time.
The fixedspeed escalator carries people up at an even pace.
4. A machine setting where the motor always turns at one rate.
The old clock's fixedspeed motor keeps perfect time.