Update: Skyworks Global, Scaled Composites bank on VertiJet's tip-jet design
KerbalX - Dual rotor tip jet VTOL heliplane
Aerospaceweb.org | Ask Us - Tip-Jet Rotor Helicopters
Hughes XH-17 tip jet flying crane. A Frankenstein's monster of aircraft parts and a 134 ft long rotor blade. : r/WeirdWings
THE TIP-DRIVE SYSTEM
Tip jet - Wikipedia
Combined cycle compressed air tip jet driven helicopter. | Download Scientific Diagram
aircraft design - How do "tip jet" helicopters cancel the torque effect of the main rotor? - Aviation Stack Exchange
Update: Skyworks Global, Scaled Composites bank on VertiJet's tip-jet design
Tip-jet UAV Unveiled by Unmanned Systems | Defense News: Aviation International News
Tip-Jets - The Most Kerbal Helicopters To Ever Actually Lift Humans - YouTube
Why are tip jet helicopters so rare, even though it doesn't seem very complex and would work fine with current engines, like turbines or any kind of compressor? - Quora
Tip jet from Fairey Rotodyne - Vertical Flight Photo Gallery
The noise sources of a tip-jet driven rotor. The 4 types of noise... | Download Scientific Diagram
What Are Tip Jet Helicopters? | Flite Test
Unmanned Systems Unveils the Orca Tip-jet UAV at Dubai 2012 - Defense Update:
Pressure Jet-Tip Helicopter Design by SammfeatBlueheart on DeviantArt
What Are Tip Jet Helicopters? | Flite Test
Tip Jet Helicopter Structure • COMPOSITE TECHNOLOGY TEAM