There is a concept in aircraft modeling - weight culture. Hot glue is used by novice modelers . It's fast , but the model turns out to be heavy.And this means: a powerful engine, a powerful battery, short flight time, high landing speed, large breakdowns in an accident. You want to make a light and long-flying aircraft - it should weigh no more than 450 grams with a span of 1 meter. Everything else is flying bricks. My Price 150 has withstood many accidents, more than 40 people have learned to fly on it...Although everyone decides for himself: if you want, glue the models with epoxy glue. 2 meter- 670 grams :