Финны после Зимней войны оценивали эфективность ТНТ как:
2 kg was sufficient to destroy vehicles with the weight of around 6 tons
(FAI, BA-3, BA-6, BA-10, T-37, T-38)
3 kg was sufficient to destroy vehicles with the weight of around 12 tons
(T-26, BT-2, BT-7)
4 kg was sufficient to destroy vehicles with the weight of around 30 tons
(T-28)
и да, отмечали проблему закрепления взрывчатки на броне - пробовали клей и крючки
