Engine Selection Chart:

This chart is presented as a guide to help our customers select the proper engine for their intended flying style. It is offered as a practical starting point for engine selection. This  guide is the result of OUR observations of  the flying characteristics of  many models powered by various ZDZ®/RCS engines. Your results may vary.

Engine Model
Displacement
& Configuration
Minimum
Aerobatics
Sport
Aerobatics
Extreme
Aerobatics*
RCS 140RE
22 cc Single
12-14 lbs
9-12 lbs
< 11  lbs.
RCS 50VT Four Stroke
45 cc Single
up to 20 lbs.
15-17 lbs.
<14 lbs.
RCS SV 26
26 cc Single
12-14 lbs
9-12 lbs
< 11  lbs
RCS SV 50
50 cc Single
up to 23 lbs.
15-18lbs
<17  lbs.
ROTO  70 V2
70 cc Twin
up to 30 lbs.
20-24 lbs.
<21.0 lbs.
ZDZ® 40 RV
40 cc Single
up to 20 lbs.
15-17 lbs.
<14 lbs.
ZDZ® 40 RE
40 cc Single
up to 20 lbs.
15-17 lbs.
<14 lbs.
ZDZ® 50 NG
50 cc Single
up to 23 lbs.
15-18lbs
<15  lbs.
ZDZ® 60 RV
60 cc Single
up to 26 lbs.
16-19 lbs
<17  lbs.
ZDZ® SUPER 80
80 cc Single
up to 35 lbs
22-28 lbs.
<25  lbs.
ZDZ® 80 B2
80 cc Twin
up to 30 lbs.
21-25 lbs.
<22.5 lbs.
ZDZ® 80 R2 Inline
80 cc Inline Twin
up to 30 lbs.
21-25 lbs.
<22.5 lbs.
ZDZ® 100 NG
100 cc Twin
up to 35 lbs.
22-28 lbs.
<25  lbs.
ZDZ® 100 R2 Inline
100 cc Inline Twin
up to 35 lbs.
22-28 lbs.
<25  lbs.
ZDZ® 120 B2
120 cc Twin
up to 40 lbs.
30-32 lbs
<31  lbs.
ZDZ® 160 Champ
160 cc Twin
50 + lbs.
36-42 lbs
<40  lbs.
ZDZ® SUPER 160
160 cc Twin
50 + lbs.
36-42 lbs
<40  lbs.
ZDZ® 210  B2
210 cc Twin
55 + lbs.
45+ lbs
<44  lbs.
ZDZ® 420  B4
420 cc Quad
60 lbs. and up
<
<
RCS 150
150cc Radial
up to 40 lbs.
30-32 lbs.
<31 lbs,
RCS 215
215 cc Radial
55 + lbs.
NA
NA
RCS 250
250 cc Radial
55 + lbs.
NA
NA

RCS 400

400 cc Radial

55 + lbs.

NA

NA



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