Algodoo

Sentence is funny because I might be using the Google translation.

I made a spring engine.

Switch of engine brake "end" key
In the "1 ~ 4" key gear change (Num)
"9" key reverse gear (Num)
"0" key neutral (Num)

If you do a gear change, please once to neutral

Accelerator arrow keys "→"
Brake arrow keys "↓"

To prevent engine stall immediately after the power is starting to slip. (Half-clutch state)
Please switch the gear where the speed came out well

There is no power in the allocation of size.

Remodeling, diversion is free, please indicate that it is the "engine made ​​F_B_C".
F_B_C

操作方法に誤記がありました。ニュ�­�トラルは「0」キーではなく、「.」�­�ー（Num)です。

There is the error in the method of operation. Instead of the "0" key neutral "." Key is (Num).

↑
We were unable to verify here . Will more specifically ask