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Copyright 2004-2010
MODELLFUN.COM Ltd.,
all rights reserved
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| Specification |
| No. Of cells |
4-7x Li-Poly |
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| Max. efficiency |
86% |
| Max. efficiency current |
20 - 40 A (>78%) |
| No load current / 10 V |
2,1 A |
| Current capacity |
45A/60s |
| Dimensions |
40x20 mm |
| Shaft diameter |
6 |
| Weight |
236 g / 8.32oz. |
| 5.07Recomended model weight |
2000 - 4500 g |
| Recomended prop without gearbox |
13"-15" |
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BL4020 KV=520 Sample data sheet |
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Model |
Voltage |
Propeller |
RPM |
Max Current |
Max Trust |
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| BL4020 |
21.0V |
13X8(Thin) |
10130 |
44A |
4650g |
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| BL4020 |
17.0V |
13X8(Thin) |
8250 |
31A |
3260g |
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| BL4020 |
21.0V |
12X8(Thin) |
10800 |
42A |
4200g |
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| BL4020 |
17.0V |
17X7(Thin) |
8600 |
43A |
3607g |
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We are MODELLFUN, an experienced team from Germany. We do our best to benefit our customers.
The products we offer are sure in the best quality, we have a double QC facility in China, we test before we sell. Any question please feel free to ask,US, Our team modellfun will be the partner of you. Just contact us by Emai or call us: 86-0769-85995243.
You can test any products from us, I would be glad to hear from you ordering the sample right now. |
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The time depends on payment transit time (3-7days), process your shipment (within 3 days for regular orders), time of sending goods ( air, sea, other express delivery such as EMS, DHL, Fedex). We do the best to find out the best way of delivery and shorten the time for you.
We double check the quality before we deliver. |
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Will you be the first one to check our
Brushless Motor? Contact us now and order a sample quantity! | |  | |
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