VIDEO: Prototype Helicopter Reaches 250 MPH Double The Speed Of A Normal Helicopter

April 12, 2018 at 11:08 am by Terez in Terez T.V.

No…this isn’t sports related, but it’s damn cool! The S-97 Raider will offer a 100% increase in speed and endurance, a 50% decrease in turning radius, a 50% decrease in acoustic “signature,” and a 40% increase in payload — all wrapped in a composite airframe that is 15% smaller then equivalent military helicopters. – TO