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The fan pictured below is from Cox/Estes (phone: 1.800.451.0339). The unit without the motor weighs 0.32 oz (9.1g). The total weight with the motor is 1.1 oz (31.8g). The inner diameter of the duct is 1.875 in (4.76cm).
Cox/Estes prototype small ducted fan. Cox sent me the images below of the fan inside a foam nacelle that they sell with the unit. The fan and foam nacelle together weigh 1.47 oz (41.6g).
Cox fan with foam nacelle. Here are Cox's performance characteristics with the nacelle and characteristics from my testing without the nacelle:
T = thrust in grams (ounces)
Here is a fan from Knight & Pridham. This is another of the smaller electric ducted fans (EDF) currently on the market. The total weight of the unit with the motor is 1.2 oz (35.1g). The inner diameter of the duct is 1.73 in (4.4cm).
Knight & Pridham ducted fan.
Blue Flame Blaster
Hi-Line's Blue Flame Blaster. Here are some of the Blue Flame Blaster's characteristics from my experimenting:
I = current in Amps T = thrust in grams (ounces)
EDF-40
GWS's EDF-40. Here are some of the EDF-40's characteristics from the GWS website:
I = current in Amps T = thrust in grams (ounces)
© 2001-2004, Matthew J Litke
Contact:
uplanes [at] litke [dot] info
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