being relatively new to rcu, this subject has probably been covered every vear since the forum was set up, please humour me- where can you obtain a list of types and specifications for glow plugs? and perhaps a list of manufacturers recomendations , heat ranges etc.are there any hard and fast rules or is this trial and error .we fly here in uk in all weathers except rain of course and seem to be affected temperature dips? we are using enya n03 plugs in the 2strokes and os8 inthe four str!okes all comments please[:-