DLA HOBBY engine and UAV engine are totally different. The hobby engine only can be used in the range of hobby model aircraft. DLA manufacturer is not responsible for after-sales service and related liabilities to customers who do not use the engines within the applicable range .

The application range of the hobby engine:

1. The hobby engine is used in the hobby model aircraft competition or just as a hobby.

2. The hobby engine is used in the hobby model aircraft as puller, for recreational activities and competition, no job task.

3. The fly time of hobby engine is within 20 minutes for one flight,