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here is what I think is a good question...how can a retailer sell a product and not give some specs some place for it. I have this motor and it dosent tell me the three wires coming out of it polarity. Can anyone help with this.
Just hook up the wires. If it spins backwards, the swap any two of the wires and it will spin the correct way. As for your first question, unfortunatley, HK does it all the time.
Rokcster
I have the 2900kv version of this motor, which I use in a 4s setup on a 450 heli, and it has 6 poles.
Some of these re-branded Suppo motors have 8 poles, such as the 2500kv 2218h.
Two more quick questions:
One, is the KV on this motor too high for use on a 450 with 325mm woodies? I was reading the discussion on those blades and they were talking max RPM. Any worries here?
Two, I bought the Hobbyking SS Heli Series 50-65A ESC. Safe for use with this motor, 2200mah Turnigys at 25c and a 13t pinion? I think the HK450GT Pro comes with a 14t pinion. I bought a 13T. Can anybody quickly school me on how to make these calculations or point me toward a calc online? Thanks!
depending on how many cells your running but basically volts x kv=rpm then you would need to determine the gear ratio by dividing the main gear tooth by pinion tooth then you could determine the approximate head speed example 400t main gear 10 t pinion is 40 to 1 ratio 11.1volt x 4400 kv =48840 divided by gear ratio 40 = head speed of 1221 these are just hypothetical numbers hope this helps
I think that calculation puts my head speed at 4232...lol. That's too fast, no? I need a 9t pinion which seems odd. Here's my specs 150T main, 13T pinion, 11.1v 25c batt, 4400KV motor. Thanks for all the info!
My opinion, this motor is way to high kv to use with woodies, however if you already have it, use a 11 tooth pinion at the most. If you can find it a 10 tooth would be better. I use a 3500kv and 11 tooth pinion for general sport flying.
This same motor is available in several different kv options/ 2100, 2900,3400kv and more. Funny how they they we not available when I bought my 4400kv.
Pokcster
I have found " Dark Horse" makes a great heli thrust/head speed calculator. Just Google " Dark Horse calculator" and you can find there a regular excel spreadsheet type calculator ans a more advanced version. You can even save your work. Nicely done calc best I have seen. Even figures thrust, throttle % to hover w/ given weight, blade tip speed, and its built in model recognition speeds up user input.
Does this motor include a pinion gear or any bullet connectors/accessories? I'm buying the HK450GT Pro belt kit. Do I need to buy main gear and pinions or anything? Thanks!
Got one in the mail today and I can confirm it comes with no bullet connectors or pinion. However it does come with mounting screws, flat washers, and lock washers. Plan on using in a 450 pro with 13 pinion for some crazy 3D. :)
It all depends on the target headspeed you want the heli to run. That would determine the size pinion that you need as well as the pcnt setting in the ESC. Check out helifreak and you can find a headspeed calculator to determine what equipment you need.
Does it matter which wire is considered black, blu or red for when it is plugged into my esc? I have a 30a esc and i notice it gets very hot (the esc) very fast. Wondering if i have the wires crossed or something. Pinion pointing up, left to right i have them in this order: blue, red, black.
Doesnt matter which way the wires are attached. If motor is running backwards just change any two. Has anyone used this motor with a 500 heli? If so what gearing or settings for the ESC.
Suggested ESC is 50A* you are just over half of the recommended ESC capacity ... so I would anticipate heat problems if you are anywhere near normal load on this motor. As stated above, interchanging motor wires will only result in reversed rotation ... not excessive current or heat.
It's machined down to 3.17mm for the pinion, but it's a 4mm shaft which makes it more durable than the 3mm shafts in some motors, like the Typhoons, which easily break at the circlip groove.
I received it and used iyt for my costume rescue boat it works perfect and such a crazy motor with really high KV. I recommend it with 4s battery and 65a ESC and have fun
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juanquy
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what is the best motor mount for this motor thinking used it in a jet park flyer with a pusher prop ? help please!!
Nice and strong motor, just installed and so far it looks good. No heat after running for 6-Min flight on 2200 3S 25C Nano-Tech. Good motor for the money and available in the USA!! Need more Typhoons 2218's in USA...
Excellent motor, smooth quiet and strong. Unfortunately met its match in a crash from 100plus ft.. but so did everything else around it!
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Fahcue
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Awesome motor!! Put it on my Trex 450, and after a full battery run its barely even warm. This thing has loads of power, its quiet, and smooth. I'm using a heavy duty ESC, plus a camera, so this makes the heli a little heavy, and this motor throws it around without even trying. You CAN'T beat it for the price. Thanks.
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