Micro Jet Challenge 8.5 years ago

agreed

Mach 2 airliner Version 2 8.5 years ago

If you fly it right it will reach a little over 1500 mph

50,000 mph 8.5 years ago

Don't be surprised if it doesn't hit 50,000 right away - it will eventually happen.

50,000 mph 8.5 years ago

Once the wings go floppy it is upredictable. It may stop gaining speed, or it could be hard to go up or down.