Difference between 370,380,400 motor - RC Groups
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Nov 15, 2001, 09:24 PM
Registered User

Difference between 370,380,400 motor

Can anyone tell me what the specs are on these 3 motors?

I've read that the 370 is a real powerhouse. But how much of a powerhouse is it?

How does it compare to the 380 and sp400?

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Nov 16, 2001, 01:57 PM
Registered User
poobs's Avatar

I think that the Hobby Lobby web site has good list of specifications for those motors.
Nov 16, 2001, 05:42 PM
Registered User
Wild Bill's Avatar

Re: Hobby-Lobby.com

If they have the info, it's hidden real good. And what about the 100 and 200 series of motors. Does anyone have a site that can enlighten the confused (me included).
Bill in Brawley, a normal state of affairs here.
Nov 16, 2001, 05:47 PM
an earth bound misfit, I
Basketcase's Avatar
Kit, the 370 (GWS spec) is actually a 300 size motor.

The HL spec page is: http://www.hobby-lobby.com/speed280.htm
Nov 16, 2001, 06:39 PM
Houng-wen Lin
GWS4CEO's Avatar
You may find performance datas from GWS web


check EPS, EDP section.
Nov 16, 2001, 06:43 PM
Registered User

It wasn't the size I was interested in, but rather the performance figures. All that's on the HL website are the standard 280, 300, and 400 motors. There are also motor designations of 370 and 380 motors, which are what I'm interested in, but can't find any performance specs.
Last edited by kit; Nov 16, 2001 at 06:46 PM.
Nov 16, 2001, 06:51 PM
Registered User
Mr. Lin,

I see you have coreless servos. Has any thought been given to introducing a coreless motor for e-flight?
Nov 16, 2001, 07:08 PM
Houng-wen Lin
GWS4CEO's Avatar
GWS has many new gear drive called "LPS". Compact and lighten weight for smaller than IPS size.

LPS can be fit with B2 motor, IPS 12X30mm motor, GWS Mini servo's inner motor. and 12mm dia coreless motor....

Also, another for Mabuch 17mm dia motor, in many of GWS standard size servos.

Yet a 17.4mm dia coreless motor size can be fit too. A lot of testing datas under R & D did, will post on GWS web.

Those datas in excell format, I have difficult to put into here, anyone know how to do? My typing speed is slow! or after post on GWS web, you may transfer datas in this BB?
Nov 16, 2001, 07:45 PM
high-speed freak
opualuan's Avatar
the 100,200 370, 380 deisignations are based on the size of the can, I've heard, rather than performance. the same speed 400 motor from graupner performs differently than a stock mabuchi, many many variations of can motors are out there.

check out the astroflight firefly and some of the wes-technik motors for info on coreless motors used for rc planes.

gws4ceo: I've been looking for gearboxes for n20's/b2's and 4-6mm coreless pager motors... does your lps fit the bill for all of these? is it for sale now? will the pinion gears fit shafts smaller than 1mm (like on pager motors?) How much will it set me back

I've been wanting to use up my surplus micro motor stash but really don't want to be gluing bearings to the sides of motors to make a homebrew gearbox...
Nov 16, 2001, 08:46 PM
RPV builder & operator
Pierre Audette's Avatar
I've never seen the exact Mabuchi number on any of the 280 I have, but looking at their web site, it could be one of these:

And their 370 does look like the 300 Ive seen:
Nov 16, 2001, 09:39 PM
registered user
DNA's Avatar
I'm not certain myself, but since Hobby People uses both the
370 and 380, I have one of each on order as well as a 180 motor.
I'll try to get a GWS 370 also and report the results after I test

I think the 370 is similar in size and performance to a speed 300,
while the 380 motor is similar in size and performance to a
speed 400.

Will let ya know in about a week.
Nov 20, 2001, 11:37 AM
Registered User
T_Hartigan's Avatar
The gws 370 is a powerhouse for a 280 sized plane. This is the system recommended for the Urban Flyer, and one of the systems for the edge 540. I have the Urban Flyer,and it flys very good with this setup. I also installed one on my Virus.

I think this will be a very common system in the near future, and the sanyo 720's are a perfect match.