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Dimension: 30mm x 12mm, 38mm(with shaft) Weight: 14.5g (kv4500) (not including connectors) Diameter of shaft:F1.48mm Length of front shaft:F8mm Lamination thickness: .2mm
Spec. Battery: 2 Cell 2S/7.4V
RPM: 4500kv
Max current: 6A
No load current: 7.4V/0.4A
Current capacity: 6A/15sec
Internal resistance: 0.473ohm
Dimensions: 12x30mm
Pull: 9400 Prop: EP4040
ESC: 7A Max Current: 6.4A Battery Type: 2S Only Suited for Mini EDF or micro parkjets.
How similar is this to the GWS IPS brushed motors?
Also, is the gear box in this the same gear box as on this link?http://www.hobbyking.com/hobbyking/store/%5F%5F 15243%5F%5FGear%5FBox%5F1%5F5mm%5F10T%5F64T.html
Fin ally, can the pinion be changed on this?
Thanks, Alex.
I answered by myself. I did finally some measurements on 2 cells, with a not fully charged battery (this with a reason). Anyway: prop thrust rpm A V 9x4.7SF 185gr 4170 2.91 7.52 9x6SF 208gr 3840 3.26 7.39 10x4.7SF 256gr 3480 4.09 7.26
OK! Got this puppy in today and counted the gears. Pinion= 9, spur = 64 for a grand total of 7.11 to one. This is close to the GWS IPS-B gearing of 7.00 to 1.
OK, I ordered one and it should be here soon. I will post the actual gear ratio here and in the review thread since no one at HC seems to be able (or willing) to count the teeth on the gears and post accurate info about their product. Stay tuned for gear counts and review since I am taking out a feigao and putting this in an existing airframe running 3S.
Giving the direct drive prop spec (4x4) on a gearbox?
It appears to be above 5:1 by the looks of it. Which means that an 8x4 prop would probably work well on 3S too if it is comparable to other 1230 motors.
A definitive gear ration would be a welcome and relevant spec to give though.
the description refers to the motor ONLY, not the gearbox. More info needed
Customer Reviews
Overall Rating
nevash
29 likes
Value
UNRATED
Quality
UNRATED
9 thumbs up!
You must consider the porpouse of the designer and find the future use, you will see that the dimensions of the unit are equal to GWS power plant like they used in planes like the Piper Cub, Slow Stick Pico-F and Slow Stick Park Flyer. I am using it in a Piper Cub,and I changed the propeller to a GWS 9050, so now I have enough power to take of the ground. I am flying at above of 6000 feets from sea level.
OK, I can finally add info here. The pinion is 9t and the spur is 64t for a ratio of 7.1:1. I just tested this with a GWS 0947 prop on 3s (with GWS heat sink). The results are 4.62A. The gears are the same pitch as the gws 300 gearboxes not the fine pitch of the IPS gearboxes. Overall not a bad deal for the price.
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Overall Rating
shorebird
76 likes
Value
UNRATED
Quality
UNRATED
8 thumbs up!
The motor alone may only be 14.5 grams, but the motor with gear box comes in at 25 grams.
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Overall Rating
rhowdy
34 likes
Value
UNRATED
Quality
UNRATED
6 thumbs up!
Sorry apparently the 4040 prop is only for the motor by itself. Will probably be OK with a larger prop on the reduction drive.
Very good product! I use it on my Cupid and even if it weights twice the original brushed motorization, it is more than enough powerful for the Cupid. You can see a video here: http://www.youtube.com/watch?v=J_fU12bRmtw
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