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Believer vs T-28
AT209/219 Platform Comparison
Believer
T-28
$550 for kit (frame only no electronics)
$550 PNP (servos, motor, esc, no FC)
1960mm wingspan
1980mm wingspan
1070mm length
1620mm length
Long endurance: 2hrs
Short flight time: 5-15min
17,000mah to 22,000mah
3,200mah to 7,000mah
$360 per battery
$50-$200 per battery
Throw launch & belly land
Retractable landing gear
V-tail & flaperons
Conventional tail & separate flaps and ailerons
Removable wings
Removable wings (screws not quick disconnects)
2 motors
1 motor
Large interior space for cube and peripherals
Smaller interior space for cube and peripherals (Windracers probably has a guide or something we can follow)
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Use Cases & General Notes
Believer
T-28
Long range/endurance
Automated takeoffs and landings
Comes as a kit so students can build it
Comes PNP so no chance for students to build it
More complex
Simpler
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My Recommendations:
Get three more Believers for teaching purposes next year. Perhaps get one T-28 for automation learning and implementation as we prepare for the Believer to be phased out by Windracers. Once the Believer is no longer supported, either switch them to ArduPilot & Mission Planner or transition to the T-28, or both.
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