Medusa Vs. Neu

[Metallover]

I wanted to compare Neu and Medusa and this is what I came up with. I am only comparing the 36mm motors.

Claimed watts stated on website
Medusa then Neu
36-50 vs 1506/1509* - 750w vs 500/750w - 15w/mm vs 11.1/13.9w/mm
36-60 vs 1512 - 920w vs 1000w - 15.3w/mm vs 16.6w/mm
36-70 vs 1515 - 1100w vs 1250w - 15.7w/mm vs 17.9w/mm
36-80 vs 1521 - 1300w vs 1750w - 16.25w/mm vs 21.9w/mm

*1506 is 45mm and 1509 is 54mm.

Motor Selection - the win hands down goes to Neu. They have motors of just about any kv and size. They have I think 2 more motor lengths and about twice as many kv choices for any given length.

Price - This one easily goes to Medusa. Price range is 185-270 for Neu and 105-145 for a similar sized Medusa. (I am not incuding 1527's) The smallest Neu is 50 dollars more then the most expensive medusa.

Build Quality - I don't know who to give this to because I really haven't payed any attention to this. Not many motors fail, and most of the time it is because of extreme conditions. The average person will not blow too many Neu's or Medusas. What it really comes down to is performance.

Performance - I would give the slight edge to Neu at the moment, but that could easily change. Both motors are made for flight, so they will perform differently is vehicles. Medusa's are made more for helicopters and Neu's are more for planes by what I can tell.

This is where I would ask for some info. Does anyone have some eagletree data of any motor or know a place that has tested either motor in a controlled setting. I want to hear from people who have tried both motors and know what they prefer.

[BL_RV0]

FWIW: I think a 50mm medusa is more comparable to a 1509 neu.

[Metallover]

It's close. It's in between the 06-09 but it is a little closer to the 06. Performance wise, it is closer to the 09. I'll add that in there while I still can.

[mxracer]

customer service should be a factor .. and having dealt with neu the past few weeks i give them a bad rating for customer service .. i sent back 1 blown 1515 1y .. and got charged full wack on repair cost even tho it was only a few weeks old .. a 2nd motor failed again . only a few weeks later and they wont respond to my emails( asking if any chance the 2nd one would be covered under warranty )

seems they just didnt wanna know .. im now going to stick with medusa motors , for half the cost .. even if they are a tad down on performance

i will be keen to see how the castle clones compare . as castle customer service is the best ive ever dealt with !

[Happywing]

Originally Posted by mxracer

i give them a bad rating for customer service .. i sent back 1 blown 1515 1y .. and got charged full wack on repair cost even tho it was only a few weeks old ..

What happened to the 1y? I sent my 1515 1.5d/f because of a failing (or worn) bearing. They replaced the bearings and balanced the rotor for free. Didn't even charge me shipping and had it back to me in 10 days. The motor was almost a year old. They didn't charge me a cent!

[mxracer]

the first one the brass spacer fell out during re-installing it . so it smashed all the windings .. so cost me $130 usd plus $30 post

2nd one dont know what happened , have never pulled it apart and its done less than 10 packs .. seems 1 phase is cooked .. and ive emailed them about if they will cover under warranty ( like 3 times ) with NO REPLY !!

wouldnt be worth me sending it back ( $20 post there , $130 repair $30 post back) = $180 usd .. they are only $250 brand new

[JERRY2KONE]

I am confused, and please donnot take offense as we are looking at this from a neutral corner. In reading your own words you damaged the first motor by mishandling it, and paid full repair cost as you should have since it was your own mistake that caused it to fail. Still I understand your frustration with the cost of postage where you are. Unless you have a motor company local to deal with that is just the way the hobby is.

Then after running ten packs through the second motor you toasted it. Without pulling it apart and inspecting it who knows what may have caused the failure. It could have been your setup, or just a bad motor. Either way all you can do is send it in for them to check it out, diagnose the problem and go from there. That is a choice only you can make. If you are not willing to send it in, then one can only assume that you are afraid that they will find out that your setup was the cause. If I had this motor and I was sure of my setup, then I would be sending it back and explaining what happened by phone requesting either a rebuild or a replacement. That is just simple business math for any company. Otherwise everyone would be requesting free serivices and the companies would go belly up on repair/warrenty costs. Sorry for your bad luck with NEU as they are good motors used in the right conditions.

Originally Posted by mxracer

the first one the brass spacer fell out during re-installing it . so it smashed all the windings .. so cost me $130 usd plus $30 post

2nd one dont know what happened , have never pulled it apart and its done less than 10 packs .. seems 1 phase is cooked .. and ive emailed them about if they will cover under warranty ( like 3 times ) with NO REPLY !!

wouldnt be worth me sending it back ( $20 post there , $130 repair $30 post back) = $180 usd .. they are only $250 brand new

[_paralyzed_]

Metallover- I hate to burst your bubble, but neu motors are 39mm, not 36mm like the medusa, so your watt/mm comparison doesn't really mean anything. The same length neu will always be more powerful because of the larger diameter. With the addition of medusa motors there is really no reason to buy a neu, unless you need a specific wind, a specific color, or you just have too much money.

[mxracer]

Then after running ten packs through the second motor you toasted it. Without pulling it apart and inspecting it who knows what may have caused the failure. It could have been your setup, or just a bad motor. Either way all you can do is send it in for them to check it out, diagnose the problem and go from there. That is a choice only you can make. If you are not willing to send it in, then one can only assume that you are afraid that they will find out that your setup was the cause. If I had this motor and I was sure of my setup, then I would be sending it back and explaining what happened by phone requesting either a rebuild or a replacement. That is just simple business math for any company. Otherwise everyone would be requesting free serivices and the companies would go belly up on repair/warrenty costs. Sorry for your bad luck with NEU as they are good motors used in the right conditions.:


umm its not my setup because i have 3 trucks all with the same setup !! it didnt even go into the same truck that the 1st blow-up happened .. as i break one i grab a spare ..

im mainly upset that they do no respond to emails .. thats what customer service is !! communication .. all i wanted from them was an answer and if they cant respond then that is bad customer service !!

[JERRY2KONE]

You may be right and we always like to believe that we are. From what a lot of guys on here have experienced with NEU they seem to be a pretty reputable company with good customer relations, and they make one of the best R/C motors out there for our hobby. Sometimes things do just slip through the cracks, but we do not give up when we know we are for sure right. How about posting up your emails to NEU so we can see exactly how you requested their help? Maybe your communication was not specific enough or along the wrong lines of helpful explaination. At any rate with the money you have invested I would be doing whatever had to be done to get their attention understanding that a lot of companies are very busy with the Holidays, personnel vacations and poor financial situations going on due to the shabby economy. Even MonsterMike sometimes does not answer emails right away or even the first time, but his costomer service is very good. I am not trying to rain on your parade, but if you are in the right, then stand up and be counted. Keep after NEU until you get the answer you deserve. Where did you purchase the motor from? Was it RCM? If so talk with Mike about it.

[mxracer]

they are tekno neu , purchased from impakt rc . > i was emailing alex hackerman . he was responding daily , until i asked about the 2nd motor .. and since then no reply . i even got the invoice from another email address .. ive forward the emails to all the departments on neu site emails. so play the waiting game.

back on the topic . ive owned about 7 neu motors (4x 1y , 1.5d , 2.5d , 1512 2.5d ) and only 1 medusa motor . 60mm 2000kv.
i couldnt tell all that much performance difference with the medusa vs the 1y .. although the medusa does run a bit hotter . but it is a smaller motor and i need to compare it with a 70mm medusa.

the medusa does need a build like teckno edition neu's as being offroad cars they get dirty , unlike heli's and planes for what they are built for. heatsinks are nice , but for a few bucks a full can heatsink can be epoxy'ed on with great results.

thanks for the review Metallover

will be interesting when the 70 and 80mm medusa are avail to make even more comparisons

[Metallover]

Originally Posted by _paralyzed_

Metallover- I hate to burst your bubble, but neu motors are 39mm, not 36mm like the medusa, so your watt/mm comparison doesn't really mean anything. The same length neu will always be more powerful because of the larger diameter. With the addition of medusa motors there is really no reason to buy a neu, unless you need a specific wind, a specific color, or you just have too much money.

Haha wow didn't expect that. Well that justshows you how good medusas are for their size. They are just as powerful as the neus but smaller. The fact that the neus are thicker really shows as the length gets bigger.

I totally agree with you on the second part.

[lutach]

You should also add the weight of the motors.

[BrianG]

Really, the only way to compare them like you seem to want to do, is to hook them up to a dyno of some kind. Run them in some type of prescribed (and consistent) test with whatever load (varying I assume to test bursts) while simultaneously measuring input voltage and current (between the motor and ESC to rule out specific changes in ESC efficiency due to inductive loading and whatnot) and motor temps. Then, compare mechanical power output with input power consumed and graph that against motor heat.

Without some type of controlled test, there are just too many variables to effectively compare to the granularity level you want.

Once all testing is said and done, I think you'll find what the rest of us suspect: Feigaos are inexpensive entry level motors, Neu are the cream of the crop (and you pay for it) for when only the best will suffice, and the Medusas are somewhere in between (probably more towards the Neu end of the spectrum) and probably the best bang-for-the-buck.

[_paralyzed_]

Originally Posted by Metallover

Haha wow didn't expect that. Well that justshows you how good medusas are for their size. They are just as powerful as the neus but smaller. The fact that the neus are thicker really shows as the length gets bigger.

I totally agree with you on the second part.

you definately do your research, and you seem enthusiastic, starting great build threads and what not. Could use more people with initiative like you. Nice review.