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Oct 30, 2013, 11:00 PM
Trader Rating: 240
DanPhillips
Thread OP
For Sale

New product ! T-Motors has announced a new line of heavy lift motors – the U-Series


New product ! T-Motors has announced a new line of heavy lift motors – the U-Series U3, U5, and U7

Take a look at this Pre-Release notice.
https://www.rcgroups.com/forums/show....php?t=2027036

I am taking Orders / Pre-Orders for the following Motors and ESC’s

U3-700kv - $109.00 In-stock
U5- 400kv $125.00 In-stock
U7 – (420kv or 490kv) $149.00 Limited quanties
U11 – Special order

Specs are on my site: www.DiyQuadCopters.com

T-Motor 35a ESC’s 29.99 w/factory simonK flash
T-Motor 45a ESC’s 46.99 w/factory simonK flash

No ESC specs yet, will be available soon - but I have them in stock now....

PM with any questions..... Thanks
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Oct 31, 2013, 12:12 AM
Trader Rating: 11
Registered User
hey, when they said they will start ship them ?
Oct 31, 2013, 01:01 AM
Trader Rating: 21
Registered User
I received the V2 motors today Dan thank you
Oct 31, 2013, 05:05 AM
Trader Rating: 240
DanPhillips
Thread OP
I will have them Wednesday the 6th or sooner
Oct 31, 2013, 08:33 AM
Trader Rating: 58
✓ᵛᵉʳᶦᶠᶦᵉᵈ
MadMedInc's Avatar
Their new ESC's are 600hz refresh rate. Pretty impressive.
Nov 13, 2013, 10:34 AM
Trader Rating: 3
Registered User
Awesome Dan!
Nov 13, 2013, 10:42 AM
Trader Rating: 1
Registered User
Can you do some tests of these? Some endurance tests with a CF frames and 10,000mah lipos.
Nov 13, 2013, 11:56 AM
Trader Rating: 240
DanPhillips
Thread OP
Yes, I will be doing some testing… but this type of static testing can be very misleading.

Endurance tests can be helpful for someone that is not familiar with calculating the correct power system. In reality it is much better to first calculate the all up weight of a craft, then determine the proper Motor / Prop / Battery Pack to fit the specific objective.

My experience is that the performance charts that T-Motors puts together for each motor are pretty close to reality. If I were to do a thorough test, I would need to do 50 or more flights with various configurations of weight, prop and battery options to provide any meaningful data for each motor.

T-Motors has done basic testing for us – we can see what thrust is for a motor at various throttle settings using one type of prop. From this, we can get real close to what is needed.

If you need assistance in selecting the proper power system, feel free to give me a call.
Feb 06, 2014, 02:57 AM
Trader Rating: 0
Registered User

timing for U7


Can anybody share timing settings suitable for U7 490 kv motors?
Thanks a lot!!!
Oct 25, 2015, 03:09 PM
Trader Rating: 48
Unregistered night flyer
kavic5150's Avatar
Nice looking motor.
Last edited by kavic5150; Nov 11, 2015 at 12:19 AM.


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