The following information has been very beneficial in helping me
understand the differences of all the various motor and propeller
combinations. My thanks to headsUpRC for this vital
information.
When choosing a brushless motor for your plane, keep in mind
that you will usually get better efficiency with larger propellers.
Determining what size propeller you will use, the approximate all
up weight of the model, and what kind of performance you desire
are good starting points for selecting a brushless motor. Please see the individual motor listings for more information
and suggested uses. Motors with less than 15 ounces of thrust: 2210-25: 0.8 ounce 2500KV motor providing up to 12.5 oz of
thrust at 8.5 amps using a 5 inch prop with a 3 cell Lipo
battery. Nice for use as a pusher motor, and for small, fast,
sleek models. Works well with 2 cell Lipos and 6 to 9 cell
nimh packs as well. 2210-21: 0.8 ounce 2100KV motor providing up to 12.5 oz
of thrust at 8.5 amps using a 6 inch prop with a 3 cell Lipo
battery. Also works with the GWS 7035 (7 inch) prop if you
avoid contant wide open throttle. Nice pusher motor, and
great for use with small, light weight models up to about
16 ounces. Works well with 2 cell Lipos and 6 to 9 cell nimh
packs as well. Motors with 15 to 20 ounces of thrust: 2712-17: 1.0 ounce 1700KV motor providing up to 15 oz
of thrust at 7.5 amps with a 7 inch prop and a 3 cell Lipo
battery. Very nice for small fast planes when using a 3 cell
Lipo, and an excellent choice for small slow flyers using a 2
cell Lipo or 6 and 7 cell nimh packs. 2712-12: 1.0 ounce 1200KV motor providing up to 17 oz
of thrust at 9 amps using a 9 inch prop and a 3 cell Lipo
battery. Often referred to as 'The Blue Wonder', this
sweet little motor works great for smaller parkflyers like
the GWS Pico series, and as an upgrade to the GWS IPS
motors. Works well with 9 and 10 inch props and a 2 cell
Lipo or 6 to 8 cell nimh pack as well. 2410-12Y: 2.1 ounce 700KV motor providing up to 19
ounces of thrust at 7.5 amps using a 12 inch prop and
a 3 cell Lipo battery. This low KV motor uses 11 to 12
inch props and is often used for slow flyers and 3D planes. Motors with 21 to 25 ounces of thrust: 2826-19: 1.7 ounce 1900KV motor providing up to 22
ounces of thrust at 16 amps using a 7 inch prop and a
3 cell Lipo battery. Will provide 20 oz of thrust with a
6x4 prop, and pitch speeds up to 79 mph with a
5.25x4.75 prop. A very good choice where high speed
is desired, and works well in pusher configurations. The
APC 6x4 speed 400 propeller is especially well suited for
use with this motor, and can be used in many applications
where you need maximum thrust with a 6 inch prop. This
motor works great with a 2 cell Lipo and 6 to 9 cell nimh
packs as well. 2826-10: 1.7 ounce 1000KV motor providing up to 22
ounces of thrust at 11.5 amps using a 10 inch prop and
a 3 cell Lipo battery. This 370 class motor is a good
choice for small 3D flyers, slow flyers and sport aerobatic
models. It works well with 8 to 10 inch props. 2408-21: 1.6 ounce 1600KV motor providing up to 22
ounces of thrust at 14 amps using an 8 inch prop and
a 3 cell Lipo battery. This motor is best used for medium
to high speed parkflyers, and is widely used on the GWS
Warbirds with the GWS 8040 prop. With it's ablility to
produce plenty of thrust with 7 inch props, it is often
used as a pusher motor. It works quite well with 2 cell
Lipos and 6 to 9 cell nimh packs, and is the lightest motor
in the 2400 series. 2410-12D: 2.1 ounce 1200KV motor providing up to 23
ounces of thrust at 12 amps using a 9 inch prop and 3 cell
Lipo battery. This has become one of my best sellers - and
rightly so! It matches up perfectly with the GWS 9050
prop, and makes for an excellent GWS Warbird motor.
It works well on many models where a 9 inch prop is desirable.
Best used with 8 and 9 inch props. 2410-08Y: 2.1 ounce 950KV motor providing up to 23
ounces of thrust at 11 amps using a 10 inch prop and
a 3 cell Lipo battery. This motor works great with the
GWS 1060 prop, and is a good choice for medium speed
parkflyers and sport aerobatic planes. If you can use up
to a 10 inch prop on your model and are looking for longer
flight times, choosing this motor makes a lot of sense.
This is my motor choice for the GWS BEAVER and
ESTARTER. It's also a good choice for the smaller 3D
flyers when matched with the GWS 1047 or APC 10x3.8
props. Uses 9 and 10 inch props. 2410-09Y: 2.0 ounce 850KV motor providing up to 24
ounces of thrust at 11 amps using an 11 inch prop and
a 3 cell Lipo battery. This has become my most popular
seller due to the fact that it's an excellent choice for the
GWS SLOW STICK. You're not likely to find a better
value in a brushless motor that works so well on the
'Stick'! It's a good choice for small to medium size 3D
planes as well, and is one of the most efficient motors
in the 2400 series. Works well with 10 and 11 inch props. Motors with 26 to 30 ounces of thrust: 2409-18T: 2.3 oz 1000KV motor providing up to 29
ounces of thrust at 15 amps using a 10 inch prop and
a 3 cell Lipo battery. A great choice for the bigger
sport/aerobatic flyers and 3D planes. This is a really
impressive motor on the GWS Slow Stick using the
TP 10x5.5 prop! I also like this motor on the GWS
Warbirds using the GWS 1060 prop, as it gives unlimited
vertical performance with good flight times. Best with 9
and 10 inch props. 2830-10: 1.9 ounce 1000KV motor providing up to 30
ounces of thrust at 16 amps with a 10 inch prop and a
3 cell Lipo battery. Great for use on medium to high speed
park flyers where an 8 to 10 inch prop is required. This
400 class motor is suitable for a wide variety of models,
and is probably the most versatile motor that I sell.
Provides slightly more power than the 2409-18T, and
is nearly half an ounce lighter! 2830-09: 1.9 ounce 850KV motor providing up to 27
ounces of thrust at 12.5 amps with an 11 inch prop
and a 3 cell Lipo battery. With it's high 'power to weight'
ratio and excellent efficiency, this 400 class motor is an
excellent choice for 3D planes, slow flyers and aerobatic
models. Works well with 10 and 11 inch props. Motors with 31 to 40 ounces of thrust: 2409-12T: 2.3 ounce 1400KV motor providing up to 32
ounces of thrust at 22.5 amps with a 9 inch prop and a
3 cell Lipo battery. With it's combination of high speed,
high thrust and low cost, this motor has become very
popular for warbirds and sport planes. Makes a great
pusher motor on the Parkzone Stryker, Multiplex Easy
Star, and Zagi. Uses 7 to 9 inch props. 2836-09: 2.6 ounce 850KV motor providing up to 40
ounces of thrust at 16.5 amps with the TP 13x4 prop
and a 3 cell Lipo battery. Works great with 11 & 12
inch props too! This is a 450 class motor, and is superb
for aerial photography with the GWS Slow Stick.
Also a good choice for mid-size 3D planes. 2836-11: 2.7 ounce 1100KV motor providing up to 37
ounces of thrust at 19.5 amps with a 10 inch prop and
a 3 cell Lipo battery. This 450 class motor is a good choice
for Warbirds and sport planes. Provides a great combination
of speed and thrust using 9 and 10 inch props. Motors with over 40 ounces of thrust: 3530-10: 2.6 ounce 1000KV motor providing up to 42
ounces of thrust at 25 amps with an 11 inch prop and
a 3 cell Lipo battery. A 480 class motor that is a good
choice for sport aerobatics and 3D flying. Best performance
is with 10 and 11 inch props. 3548-10: 5.8 ounce 1000KV motor providing up to 80
ounces of thrust at 45 amps with a 14 inch prop and a
3 cell Lipo battery. This motor can also be used with a
4 cell Lipo. The 3548-10 is a good choice for many planes
in the 3 to 6 pound range. Best performance is with 11 to
14 inch props when using a 3-cell Lipo, and 9 to 11 inch
props when using a 4-cell Lipo. For reference purposes: 350 brushed/geared motor: 2.2 ounces and will produce
up to 16 ounces of thrust at 8.4 volts. Using a higher voltage
usually results in a very short motor lifespan. 400 brushed/geared motor: 3.3 ounces and will produce
about 19 ounces of thrust at 12 volts. | 
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