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Seems the common brushless motor used as an upgrade for the F45 is the HK EH200 4100KV motor - Product ID EH200-4100. This little 3500KV one may be far too small and slow.
The motor didnt come with any screws to mount on the heli.. i have a hk 250gt.. and when i put the thicker screws they are touching the coil after snugging... can smone suggest me the proper screws for this motor..??
M3 x 6mm. I also put a washer under each screw head and locktite the threads. If you have used longer screws that hit the coils, make absolutely sure they are not damaged.
no no i just saw that its about to touch the Coil, so i didnt go further and removed the screws... the motor is all fine.. i just need to change the screws.. thnx for help.. :)
This is a wrong information - the motor does not need M3 screws. At least the actual version - I have ordered M3 screws from Hobbyking with the motor - but they do NOT fit. They are too large in diameter. M2 is too small.
Seems to need M2.5 or something similar. I get crazy - have hundred of screws from my microhelis here, no screw fits. HK 250-GT screws also do not fit. Does someone know, if it is M2.5?
recieved my order just now.. and very dissapointed!! not with anything else but the suggested M3x6mm screws didnt fit the motor.. :( the screws are thicker in diameter.. now i need to find a new set of screws for this motor...
Hope those will fit: www.link today, but do not want to wait again for weeks ;) Have to buy some elsewhere locally, no M2.5 screws in my house - a lot of M2 and M3, but not M2.5 ;)
Me not either. Now I am really angry. Have searched for probably one hour at home and in my office for 2.5 screws, have disassembled several old stuff, ... no 2.5. Have been at three tool shops near around my home this afternoon, none of them has M2.5 screws, only M2 and M3. Have to go to a special screw shop at the other end of the city to buy these screws, if I do not wanna wait for two - 4 weeks till my shipment from HK arrives.
Thats so stupid - Hobbyking, why dont you ad the information about screws needed for mounting to the item description?
Hang on a sec - I have just pulled out one of the HK-250's I have here - and in the bag with the pinion are the motor mounting screws. Do you not have them in your kit?
Yep. Just checked a couple more - and a few CopterX FBL and FB 250's (same as HK250 in all but canopy and colour) and those also have the screws in the pinion packet. I do not recall them ever being too long, but if they are, pack out with washers or cut the length down.
Wow - now I have to apologize *)
Checked it - a pair of those 2.5 mm screws is included to the HK 250GT set - but extra packed *)
Did not find them in my scews-box, and I could not find any 2.5 mm screws in the spare set of HK 250, either, only 2 mm.
Stupid me, running around and searching in vain. I will use those meanwhile, thus they do not look very good. After receiving the M2.5 from Hobbyking with lense-head, I will use those.
Were they in the brass gear pinion packet? Or a different one? My 250's have been kicking about for over a year now, so packaging may have changed? If the screws you found are the same as mine, they are black Hex socket heads and actually very good quality.
hey.. which one... there are 2.5 mm screws in the packet(extra), but aren't they too long.. i mean its touching the coil inside ... as mentioned above... :\
I guess, they have been in the pinion packet* cant say anymore, they were rolling around "loose" in my "big HK 250GT box" (but not in the screw box inside).
No - I tested, they are not too long. They fit fine.
I will - did not mount the motor yet (was searching for screws till now *) ).
But the screws will not touch the motore wires on the stator even if I screw them into the motor without motor mount (so only motor and screws inside).
Cannot understand your problem - with motor-mounting-plate inbetween (screw and motor) this will not be a problem at all.
than how cum mine are touching the coil inside.. with motor mounting plate.. its not penetrating though its jus touching the coil slightly.. but dont wanna take risk... i'll put washers in between and than i'll try tommarw.. its sleeping time nw here.. :p anyways thanx for the support you two... i might ask something else 2marrw .. :p
Hmm - checked it again, screws fully screwed into the motor, without mounting plate, without shim - no problem, screws do not touch anything???
Different kind of screws?
hi, i have an mjx f45, is this motor powerful enough for my heli, and where can i find a 10t pinion cause this motor has a 2.5 shaft. only available is 2.3mm... many thanks......
...finally i made a 3mm shaft from the bar , taken from the old cd rom. Works well, and now there is no problem to find an adapter. target=_blank>heli_motor2508
That is the motor shaft which I know is 2.5mm as I have lots of them here - I asked what diameter is the propeller shaft? Reason being is that there are adapters already available for 2.5mm motor shafts for various prop hole diameters that only cost a couple of $ or so.
I understand =) My adapter outer diameter is 5 mm.
I dont now , why in specification of motor there is still "Diameter of shaft: 2.3mm"/ My motivation is that at the time the order was not clear what actually adapter suitable for this motor. So I decided not to wait for 23 days (the time of delivery to Ukraine) and converted it into what is needed =) 2.5mm adapter still were not available for a long time(backorder).
No it should not overheat on 3S on a 250 class heli with standard pinions. I use these a lot (actually built one and flew it today for three packs of 800mAh 3S 35C cells one after the other) and have never had any heat problems. Bear in mind, this is a direct replacement for the Align T-Rex 250 heli motor. So 3S is no problem at all.
Anyone know the size of the connectors that comes with the motor. They only give you the male connector need to know the size to get the female connector.
Thanks
grab a helli esc with a ubec or sbec built in. and then just match your pinion gear it should go from your current motor to this on if not then get the one here that has the set screw 2.3mmshaft
Hi I bought this motor for use with the parkjet. I've since had to use another motor, because I couldn't find a mount or accessory kit to match. Please can anyone advise if an accessory kit exists (mounting bolts, mount and prop adaptor) Cheers Dave
PRODUCT ID: OR004-00602 prop adapter get the black one i think its 2.3mm im also flying two of these on the hobbyking parkjets i got the hobbyking 30amp/3bec esc works great i use a 500mah 3cell and a 4.5/4.5 e-prop trust me!
yes yes yes the one with the 3amp bec built in i do use this and i push a 3cell dosnt even get barley warm its awsome! 4.5by4.5 e-prop pushes $15.00 park jet over 100mph better get ready and focus before take off lol. what a blast hope i can help!
it is suppose to be 2s but i use 3s. my esc says2t04 so now i wonder if i use a good grease redo the bearings can it handle the 4s any opinions would be great . if anyone tryed it already please share, thanks tommy
yes im usisng 30amp esc/3bec on 3s at full throtle pushes 31amps but most esc go over what they say anyway. if you really need it you can also get the bec seperatly here.
has anyone put this in a hk 250 gt with 3s on te stock 15t pinion? i know this is supposed to be a replacement for the stock align motor but i want to know how it runs.
it is better than stock ive had 50 plus flights still preforms like day one i love this one! but i also use the hobbyking blue 30amp/3bec esc you really should than you can use 3cell. thats what i did so you know. otherwise its rated as a 2cell motor but it pushes 3cell perfectly.
absolutly yes it will. we have had more fun with this motor on the little park jet with a plush 30amp and a 4.5 by 4.5 e prop. it burys the 100mph mark. i am shaking but man its fun it handles like a dream and tracks perfectly. with a steady razor you can put rudders on. they should have more within thirty days they are worth the wait. click email when this item is in stock its a button located below buy it now. they are good about imedeite notification of items to the waiting customers. this is a new motor for that jet so they have just begun they will order alot more before we all have one. hope i helped in some way have fun fly high. tommy
What are the connectors 2.0mm or 2.5mm bullets? I have seen both mentioned here, even though I cannot find 2.5mm bulltes on this website. Just want to be sure. Thanks
Anyone know which size of bullet connector comes preinstalled on this motor?Also,is the stock 15T pinion gear that comes with the 250GT kit a good match for this motor on 3S?If not,what is then?
I have read on other fourums this is a direct replacement for motor included in the Align 250. This includes the shaft diameter and bullet connectors. The HK website says this is a 2.3 MM shaft. The second review posting states it is actually 2.5 MM and the included pinion will fit. I have one on order for the HK250GT. I should know soon.
Thanks guy's.Will the 15T pinion give me excessive head speed on a motor rated at 3500KV running on 3S?Also,does this motors shaft come notched already to prevent slippage of the pinion gear?
Works fine and you just turn it down on the transmitter throttle curve if it's too much. I run this on 3s and it gets hot, but still working fine. The shaft is not notched. You can use a dremel to make it. It just needs a little bit. Without the notch it will eventually just spin.
Thanks Noobie.What size and brand of ESC are you running with this motor?Any idea as to what amps you are pulling with this motor mounted on the HK-250?Still up in the air as to which way to go on the ESC without going overkill on requirements and weight.Any recommendations guy's?
Not sure what it's pulling but I have both the 18 and 30amp targethobby esc's. Just try to match the motor amp to an esc so you don't have to go overboard and save some money. I think 20 or 25amp will be more than enough. I like the size of this motor but it gets hot on 3s since it asks for 2s batteries. Works fine though.
By the way, I don't know how people used the 2mm plugs. I had to use 3mm plugs instead on both escs. It would be nice to use 2mm, but the esc wires are just too big.
First, you have to take into account the size of your quadcopter (to fit the props accordingly). The you have to estimate your total flying weight, so that you can choose a motor/esc/prop/battery combo that will provide enough power to make your quad hover at 50% throttle. It can be really hard for a beginner, that's why I strongly advise you to check the HK forums where your response will be answered *) you will even learn a lot of stuff :)
Yeah, do not use this on a quadcopter, get something like the dt750 motors as they have low kv (low rpm per volt) which means greater efficiency by using a larger prop and more control (each step on an esc produces a smaller change vs high kv which produces higher rpm changes per move of the stick)
Can someone point me to what esc I can use with this motor? I want to use it on the 250gt heli but don't know what 20,25 or 30amp esc has the plugs to fit this thing. I'm also looking for an 11 or 12 tooth gear. Please post the links if you have any as I bought two other gears that don't quite fit. Wrong ones to be exact.
You can use any 30 amp esc. Like SKU: F-30A, SKU: RB30-ESC or SKU: MY30ABEC. You will also need to some 2mm Gold Connectors (SKU: AM1002A)for the plugs. They are showing the HK-250GT Pinion Gear 15T (PRODUCT ID: GT250-149) as a match to this motor. I hope this helps.
Turnigy AE-30A Brushless ESCÂ is the esc i got for the same motor and heli. Just need to order the connectors and solder them on. I look at all the comments and discussions most people will put there set ups on there. Good luck
Thanks guys. I didn't want to redo the 30amp esc I already have, but I guess I'll just change the plugs on the motor since I really don't see any specific for this small motor and can use what I already have. I just didn't want to do this, but I may as well use it. I just need to add a flat on the shaft for the set screw as the gear just turns even with the set screw as is.
40A ESC is overkill for this motor.According to the specs,the maximum current that this motor can take is 27 A.A light weight 25-30A ESC is all you really need on a HK-250.
I just tested mine with a 4.5x4.5 on 3s and it draws more than 30amps. The motor heats up quickly. Then I tested the 4.1x4.1 prop and it draws around 25 amps. If youre going to use a 5x5 on 3S then the motor will overheat.
How are you able to add a prop to this motor?. The only size prop adapters I could find are either too big or too small (2.3mm or 3mm, I can't find a 2.5mm to fit the shaft). Is there any 2.5mm prop adapters or collets you can point me to?
The 2.3mm shaft adapter is ok. What I did is I removed the old shaft and mounted a 3mm shaft in reverse position or you could just reverse mount the old shaft.
Can anyone confirm that the shaft is 2.3mm? I bought a 2.3mm pinion and had a lot of headaches getting it to fit, it was obviously too small for the shaft. The stock pinion claims to be 2.5mm and that fit perfectly...
How are you able to add a prop to this motor?. The only size prop adapters I could find are either too big or too small (2.3mm or 3mm, I can't find a 2.5mm to fit the shaft). Is there any 2.5mm prop adapters or collets you can point me to?
The 2.3mm shaft adapter is ok. What I did is I removed the old shaft and mounted a 3mm shaft in reverse position or you could just reverse mount the old shaft.
sounds impossable mr.Sonnydc as the shaft is 2.5mm how exactly did you replace it with a 3mm shaft since its way to big? i reversed mine and made a c-clip ring on the opposite end.
What size plugs does this motor use? I don't see anything on the specifications. I have a 450 esc but I have a feeling those are too big even though it's a 30amp esc.
Hi,this motor has 2mm connectors on it.theres no reason why tou cant take them off and put the same size connectors on thats on your 450 esc.hope this helps.
Thanks, but I checked and this is smaller than the 450 so I want to get an esc that has the 2mm plugs if I can find a cheap one. Unfortunately I don't know which esc has the correct plugs for this motor.
whatever esc you buy,you will have to solder your own plugs to it.some come with gold connectors some dont.i always fit all my electrical items with the same size gold connector so they can interchange with ant combo i want.this is a standard practice that many people here make.hope this helps
forgot to mention,a 30 or 35amp esc will be fine and as regards to your question further up regarding a pinion,you'll have to use the one supplied with the kit or the one listed for the 250 as it needs to be a 0.4m pinion.to adjust the headspeed ,do it through the transmitter
Thanks, that's a ***mer. I thought there may be a smaller tooth gear. I did buy the 14 but the shaft size is too small and the shaft doesn't have a flat on this motor. The included gear tends to slip around. I heard some people using a smaller 20 amp esc which I thought would be okay since the 30amp seems physically a bit too big. I'll look around locally and see what I can find. Even the 3mm plugs will be too big on this motor as I was checking them on there yesterday. Hence the reason I was looking for a different esc.
it comes with 2mm plugs. i cut them and put on the 3.5mm running 4.5 by 4.5 prop and 30amp esc 3amp bec its a perfect combo for the park jet mine has not got hot yet. i only carry 500mah 3s great flght times less weight faster awsome fun. hope you are out flying soon,tommy
Bacter well you need to undo the grub screw. Remove any c clip. Lift the outer case form the motor. Then carefully drift with a brass drift, the shaft to where you wont it. I hope this helps.
I use a vise and socket wrenches as a press to push the shaft out or in as needed. A knock at the beginning helps to confirm the shaft is "free". Make sure the shaft indentions are aligned properly.
Customer Reviews
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sp00fman
160 likes
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Got this for my HK250. Stock 250 pinion fits on the shaft.
Looks like a well made motor and "feels" powerful and efficient. No balancing of the bell needed.
My bearings were not perfect resulting in a loud high pitched whine. Am flying with it now but will replace bearings soon.
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blade killer
15 likes
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Every thing is the same as the stock Align 250 moter, such as the dimension, shaft diameter. It is a direct replacement for the above, and works on 3S well and similar performance as the stock. But only paid 1/3 of the price, excellent deal.
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hornta
19 likes
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I am running it on 1000mah 3s nano-tec 30A ESC 4.1x4.1 and it reads 31A. Motor is cool on landing. Perfect for the parkjet.
Perfect for the HK250 with the available pinion gear combo - could not be better.
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Dallas186
31 likes
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An excellent match for the HK250. running on 3S 800mAh Zippys.
If anything the motor has a slightly too high a KV however and although it could be cos i'm still using the dreadful plastic blades I have to have the throttle curves down to 85pcnt max or it's simply too unstable with that high a headspeed. Could perhaps use a 14T pinion but it seems difficult to find alternate pionions with a .4 MOD and 3mm shaft. Hope that helps. Rich
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