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1400kv sounds high for a 450mm size quad. 3s 2200mah - 3000mah will probably work well.

Get bigger mAh battery like 4000/5000 35C? yep!

I would not recommend using the balance port for powering equipment. Tap into the main power lines, and use a voltage regulator if you need a voltage that is lower than the battery output.

Tempting...

Depends on what type of flying you are interested in. The dji phantoms are very good, and there are several that are cheaper than the Mavic, but I would get the Mavic if I were you.

Check out the DJI Phantoms. https://www.bhphotovideo.com/c/product/801470295-USE/dji_cp_pt_000142_phantom_2_quadcopter_v2_0.html

Welcome aboard Peter!

Usually 1 c unless the battery states otherwise. Miscalculation. This is better. (Thanks @RENOV8R ) 950mah x .001c = .950 amp charge rate.

If I remember correctly, you have to set your rx to enter failsafe when transmission is lost.

You could also get a higher c rated 3s battery too. It does not have to be 4s. I had a battery that went bad on me, and the voltage drop would kill the flight just like you are describing.

Sounds like voltage drop. Do you have any batteries with higher c rating or more amps?

1 year after conviction you will be eligible. It states that in the study material for the part 107 test.

Video is private.

May have to check this out. Thanks Jackson!

How about these? https://www.dronehaus.net/products/dys-xs20a-blheli-s-esc-w-oneshot42?utm_medium=cpc&utm_source=googlepla&variant=25441718339&gclid=CjwKEAjwkJfABRDnhbPlx6WI4ncSJADMQqxdUWvYoXa-Xy85MntFhOQZkBbAec9ADCV9zTip8YhSjxoC8ADw_wcB

Nice! Boscam makes several different types. http://www.hobbyking.com/hobbyking/store/__56990__Boscam_TR1_FPV_All_In_One_Camera_and_5_8_GHz_Transmitter_with_Video_recorder.html

I would label the go pro as a 3 black. It's worth more than any other go pro 3.

I would get 2200mah - 4000mah on a 350mm. 2200 will be more nimble, and 4000 will feel sluggish. Make sure that you don't exceed the motor amp ratings.

Are the min and max values set correctly? This will affect the arming operation if not.

The p4 is an awesome aircraft. You will not regret it. I have had mine over 50mph in atti mode so you can get decently aggressive if you want to :cool: