Quadcopter build - Motor installation

by eluminerRC | March 23, 2013 | (7) Posted in Projects

This is the third video in this quadcopter build series and it's all about motor installation.

Motors are very important part of quadcopter (of course) and proper installation is necessary. They create a lot of vibrations so you must ensure that you've install them properly.
This step is relatively simple and straightforward and you won't be having any problems if you follow this video.

Tips:

1. Use threadlocker on EVERY screw where you have "metal on metal" contact. Multicopters create a lot of vibration and if you don't use threadlocker, screws will come undone and you will crash.

2. Use threadlocker with MEDIUM strength. These screws are very small and using high strength threadlocker could lock the screw so hard that you won't be able to unscrew it ever again.

3. Make sure all of the screws are tight. If any of the screws come undone you will have a lot of problems.

You will need:

NTM Prop Drive 28-26A 1200kv / 250W motors (short shaft version)

NTM Prop Drive 28 Series Accessory pack

Motor mount plates and screws that you already have from SK450 frame kit

Threadlocker (medium strength highly recommended)

Any 2.0mm Hex and Phillips #1 driver

Enjoy RC as much as I do! :)

COMMENTS

XFlyer on March 25, 2013

I had that exact same set-up on a quadcopter. I find that it is too small for good stable flying. I used the saqme motors and they died within 2 weeks (no crashes). They would still run but the bearings crapped-out and destroyed the housing and that happened on 3/4 motors. I then replaced them and same again. I have been completely put-off ntm motors. I now run dt-700's on david windestals tricopter.
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eluminerRC on March 26, 2013

Yep, after I've ordered them I've read some pretty bad reviews about them. It looks like these were once very good motors but they really messed up quality check lately. Not only that, but one of mine had a lot of slop between the shaft and the bearings (or the bearings were bad) so I've managed to get new one from HK. We will see, but I don't have high hopes for them.
For the first quad I think 450 is enough for me. This is my first air RC in general so I didn't want to go with something big and expensive. But I agree, bigger birds fly more stable.

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Mikey911 on December 13, 2013

Also im looking at building my first tricopter with the x900 frame on hobbyking, what parts would you recommend? Including the small parts, i.e connectors and stuff?

Many thanks
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eluminerRC on December 14, 2013

You can check my parts list in the video description on each of my build series videos. This is for quadcopter, but most of the parts is the same for tricopter except the frame. I recommend SunnySky motors and maybe some SimonK ESC's like Afro's so that you don't have to flash them later. Use some decent quality servo for the tail.
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How do you put the servo on?
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You don't need a servo on a quadcopter. For tricopters, you need a frame that is designed to put a servo on.
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