DIY reciprocator linear telescopic push-pull motor motor lift mechanism spraying crankshaft 12V24V motor Frequently Asked Questions 1. Speed problem The speed of the order option, is the highest speed per minute, 1 turn is 1 circle, telescopic once! For example: 90 rpm, is the fastest 90 turns a minute, the governor can only adjust the speed. 2.Stroke There are 2 kinds of travel: 2 a 8 cm, 3 a 15 cm (travel within any adjustment) according to their own choices 3. Instructions for use Delivery: reciprocating machine are installed, home plug-in can be used. 4. Thrust The smaller the stroke the greater the thrust, and vice versa, the larger the stroke the smaller the thrust, the following reference data.