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New for 2010

Skydragons is now closed until the 22nd September 2010

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  • Exdemo 1400 PA125 3 Part, as new condition, 2 blade wooden prop, tachometer, very latest spec. Suitable for pilots upto 120kg. - £4250

    by skydragons Sunday, 18 July 2010 06:35

2 Stroke Premix Calculator

To calculate how much oil to add to your fuel:

  1. Type the number of Litres of fuel you are using in the first box.
  2. Adjust the ratio desired in the second box.
  3. Hit your Enter key.

The calculated amount of Two-Stroke Oil to use will be displayed in the final box.

Fuel to premix Ratio Two-Stroke Oil
Litre(s): Ratio: :1 cc(s) or mL(s)

Premix Quick Reference Table

Ratio = Percent
17:1 = 6%
20:1 = 5%
25:1 = 4%
32:1 = 3%
40:1 = 2.5%
50:1 = 2%


Normal Operation
RM80
2%
TOP 80
2%
EVO 100
2.5%
PA125
2.5%
ROS 125
2.5%
FLY 200
2.5%