Hi I have just recently assembled a Seagull Model Extra 300S ARF. And lately the covering on the plane has been
developing air-pockets under the covering. And im and wondering why and what to do.

Best Regards

Jon

Poke the covering with a pin and use a heat iron and work the air to the pin hole.

I just iron over it and let the bubble area shrink.
If there is a depression under it, get a syringe and put water in the pocket then iron it down.

AIRFORCE, I just flew mine this weekend it was awsome i added a os 61 in it with a pitts muffler and its a fast one i orginaly had a 12x6 prop on it but it was landing way to fast,so i proped it with a 13x4 and it slows down alot better on landings i dont now if this is your first low wing but its a fast plane with those combos its a hand full if you havent flow this type before i suggest some one with the exsperence fly it first its a nice plane........as to your answer on the bubbles mine was the same way, i just used my heat gun just becarful not tto hold the heat on it to long and they will come out.you might want to use a iron on them also,if you have any other questions about it pm me...... good luck