Lumenier RB2205C-12 2400KV SKITZO Ceramic Bearing Motor
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Old Dec 12, 2011, 09:08 AM
erh7771 is offline
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Originally Posted by Graham d View Post
Received mine too. Quality looks good but seems fairly heavy.
Will be trying a Suxfly 3674 1620KV on 6S to start off with. The motor has got the big holes in the front and back.
Will advise on numbers.

Any handy tips on balancing this fan?
Harmonic balance and then let the fan do the rest worked fine for me, it's the motor shaft length that's the balancing issue. Same thing for their 70mm fan...
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Old Dec 12, 2011, 09:09 AM
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Originally Posted by pavcon View Post
haven't done anybalancing since mine is still in transit..
buw an accurate scale and having the opposing blades weighted and drill them with a 2 or 1.5mm drill underneath to match the weight.. at least that's what I intent to do
DRILL HOLES IN THE BLADES?
I gotta see this...
Old Dec 12, 2011, 09:24 AM
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Originally Posted by wingspan100 View Post
DRILL HOLES IN THE BLADES?
I gotta see this...
not through the blades.. Im not stupd. The blades can be separated so underneath it is possible to do that...
Old Dec 12, 2011, 10:24 AM
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You should NOT drill the blades. The best method for EDFs is to add weight to the other side. You can't afford to make any of the plastic weak. For small fans without separate blades, you can apply some CA to blade. Just the weight from CA is often enough to balance the fan. If the blades are separate, you can drill the center hub if necessary. Otherwise, epoxy the center hub under the blade or use the CA trick.
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Old Dec 12, 2011, 11:32 AM
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Thank you guys.
Was just thinking that you would need a bit of epoxy on either side of the hub due to the weight of the fan.
Old Dec 12, 2011, 12:11 PM
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Originally Posted by JimDrew View Post
You should NOT drill the blades. The best method for EDFs is to add weight to the other side. You can't afford to make any of the plastic weak. For small fans without separate blades, you can apply some CA to blade. Just the weight from CA is often enough to balance the fan. If the blades are separate, you can drill the center hub if necessary. Otherwise, epoxy the center hub under the blade or use the CA trick.
have you guys got your shippment yet.
Old Dec 12, 2011, 12:18 PM
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Originally Posted by JimDrew View Post
You should NOT drill the blades. The best method for EDFs is to add weight to the other side. You can't afford to make any of the plastic weak. For small fans without separate blades, you can apply some CA to blade. Just the weight from CA is often enough to balance the fan. If the blades are separate, you can drill the center hub if necessary. Otherwise, epoxy the center hub under the blade or use the CA trick.
the way I'm going to dril them is not making them weaker.. stronger maybe but not weak.

try to bent a hollow shaft and try to bent a solid... if you know what I mean..
Old Dec 12, 2011, 12:25 PM
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Sorry...in no way will drilling a hole(in any direction) make it stronger....Why drill when just adding a bit of weight with tape/glue/putty will solve the problem...I know on many types of equipment they drill hole to ballance but in that use the part is way over built in strength ...these fans are being pushed beyond the limit or close to it..dont risk it...stick with what works..
The only diffreence between a hollow shaft and a solid shaft is weight..if you take the same shaft of the same material the solid will bend and the hollow will fold at failure...it wont be stronger
Old Dec 12, 2011, 12:30 PM
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Originally Posted by pavcon View Post
the way I'm going to dril them is not making them weaker.. stronger maybe but not weak.

try to bent a hollow shaft and try to bent a solid... if you know what I mean..
I hope you explain further.
Old Dec 12, 2011, 12:33 PM
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I will take photos when I receive and disassemble the fan
Old Dec 12, 2011, 01:04 PM
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Quote:
Originally Posted by pavcon View Post
haven't done anybalancing since mine is still in transit..
buw an accurate scale and having the opposing blades weighted and drill them with a 2 or 1.5mm drill underneath to match the weight.. at least that's what I intent to do
Billy Madison - Insanely Idiotic (Academic Decathlon) (0 min 27 sec)
Old Dec 12, 2011, 01:09 PM
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People complaining about it being a copycat, please start a new thread. I'm tired of sifting through the tissue & tears, just to find the real reason this thread was started & what I'm looking 4...specs, info, & help.
Old Dec 12, 2011, 01:24 PM
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Originally Posted by falcon5 View Post
we will talk later... after I balance mine.. and if it works.. all these back to you falcon.. just don't erase your account.. I will be back for you because Ive done this b4
Old Dec 12, 2011, 01:36 PM
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N e 1 find a 1600kv motor for 6s setup yet? I've been searching for the 1 CS uses in their vid but can figure out which it is. Correct me if I'm wrong, but From what I've tried to read is that a 1700kv motor will pull too much amps.
Old Dec 12, 2011, 01:45 PM
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can I suggest this one here???
http://www.hobbyking.com/hobbyking/s...dProduct=17698


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