New Product! Changesun 90mm Smart Fan
Dear All EDF Fellows
After almost 18 months of time, the new fan molding finally ready to go mass production. That is a long road from rough idea to product launch to the market, we forgot how many difficulties need to overcome in the past 18 months. We will accept pre-order very very soon!
Product : CS Smart Fan
Inside diameter: 91mm
Rotor diameter: 89mm
Meterial: Fibre Reinforced Nylon Rotor
Motor: Depend on blade combination
Loading: Depend on blade combination
Number of battery cell: Depend on blade combination
Shaft adaptor: 5mm
*Multi- blade combination selection*
*Two group of difference pitch of blade to use*
*This is the total solution of 90mm EDF*
*Optional to use aluminum duct*
United States, TX, Grand Prairie
Joined Nov 2005
It's 18 blades,
I have it in my Fly Fly F100...
Don't want to let numbers out yet...
I ran mine with rounded intake lip and the white noise is as loud as I've heard out of any fan even without an intake lip.
For example: Spin 10 blades at 150k rpm max (for turbine) or spin 20 blades at 70k rpm (or close) and the white noise coming off the blades is loud and very realistic.
With a very balanced rotor the turbine high frequency like whistle can be heard at lower RPMs also so when you're taxing the sound is VERY VERY nice depending on motor of course and how well balanced the rotor is.
Hey its a mini Arson fan! 18 blades max with blade plugs for running fewer blades. Even the blade shape looks similiar. Y'all had the same idea at the same time...cool! I want one of these...its a good size. Can't wait for the 5 incher
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