Do a market survey for all the Electronics required for a RC Plane With Empty Structural Weight of 120g (without Electronics) and The Payload Fraction to be 0.75 with Gyroscopic Assist. Use a Suitable Thrust is to Weight Ratio.
  MY problem is how to select appropriate motor, propellor and batter, ESC for this specification?

thank you

Stop Spamming in irrelevant boards. You've asked your question once. Let someone read and answer it.

i apologise,,,  thank you.