Our planes:

• HiFly YAK-54 Flying
• Maiden flight HiFly YAK-54
• 3D Testing of HiFly YAK-54
• More 3D Flying of the HiFly YAK-54
• Maiden flight of the HiFly 86" YAK-54
• Further flights of the HiFly YAK (big)
• 3D Demo - HiFly YAK-54 - YD-A 56cc

Our engines:

• JC Engines 28cc in a YAK-54
• JC Engines 28cc in a YAK-54 - with music
• JC Engines 28cc in a test stand (18x8 prop)
• YD-A 56cc pulling a 35lbs DH-4 DeHavilland (mainly at half throttle)
• Tom Seres's WH Extra on YD-A 56cc
• Tom Seres's WH Extra on YD-A 56cc - new prop size

YD-A Engines - Factory Flight Testing

• Kangke 25% Cap 232 on a YD-A 23cc
• YAK-55 on a YD-A 32cc (1)
• YAK-55 on a YD-A 32cc  (2)
• Edge 540 (50cc) on a YD-A 42cc (1)
• Edge 540 (50cc) on a YD-A 42cc (2)
• YD YAK-55 on a YD-A 56cc (1)
• YD YAK-55 on a YD-A 56cc (2)
• Aeroflame YAK-54 on a YD-A 112cc

• Flying Under Stockholm
• The "Father of Aerobatics"
• Another Art Scholl Video
• Super Stearman
• Pitts Special
• Paul Bennett and his Red Pitts Special
• Patty Wagstaff
• Steve Oliver - Pepsi Chipmunk