Ben Cope’s Mark 3 Personal Helicopter Redesign & Mark4 Update
Ben Cope’s BUG Homebuilt Helicopter Redesign The following photos appear to be an updated “clean” version of the BUG personal helicopter series by Ben Cope,…
March 2017
Ben Cope’s Experimental Bug Helicopter Hovering Tests – BUG Mark 4 Advanced Hover
Ben Cope’s BUG Homebuilt Helicopters The Bug helicopters tail rotor blades and sliding guide tube are made of carbon fiber, the shafts are made of…
Ben Cope’s BUG Experimental Helicopter Platform For Testing His Ring Rotor System
Ben Cope’s Experimental Helicopter Ring Rotor The BUG 4 experimental helicopter is described as having a BMW rear right angle gear box attached to the…
Ben Cope Experimental BUG Helicopters – Mark 2 Bug Helicopter & Ring Rotor System
The BUG Homebuilt Helicopter Design Editors note : Further information on the homebuilt BUG helicopter range transition and evolution along with individual model detail including…
Ben Cope’s Experimental BUG Helicopters – Mark 1 Grasshopper Helicopter & Mark 2 Bug Helicopter
Ben Cope’s BUG Homebuilt Helicopters The following is a mix of forum posts and general information from designer Ben Cope about his experimental BUG Helicopter…
Experimental Aeris Naviter Helicopter
Aeris Naviter Experimental Helicopter The Aeris Naviter AN-2 Enara is a Spanish helicopter, under development by Aeris Naviter of San Sebastián. The Aeris Naviter Helicopter…
Experimental Rotorfly RI 30 Eaglet Helicopter
Rotorfly RI 30 Eaglet Experimental Helicopter The Russian Victor Hribkov was the original designer of the Kumertau Rotorfly, with Kumertau being the name of the…
Understanding rotor blades – the rotary wing
The Wing Of A Helicopter The rotor blades used by the early Sikorsky and Piasecki helicopters were derived from those that had been developed for…
Unknown experimental helicopter found in shed
Finding Previously Unknown Helicopters We received the accompanying photos of this interesting experimental helicopter from Robert Borovec in Washington state. Robert said that he was…
Aircraft Grade AN Hardware Nuts And Bolts
Understanding AN Hardware Nuts And Bolts Various types of AN screws and nuts are used in the construction of aircraft. In order to properly design…