The Critical Mass a favorite of the Reno air races is captured in an Almost Ready to Fy RC model plane.

MBM Prop customers Rave about how well she flys on electric power as well as glow power.

With a fiberglass fuselage, all lines are smooth and clean three piece wing fully covered balsa, tail of balsa and ply. All hardware, painted fiberglass and cowl Model comes with fixed landing gear. Mechanical or air retracts can be used, the wheel well liners are included. To installing retracts the covering must be cut to reveal the wheel wells and installing the retract gear and servo into their pre-built locations. The photo illustrated instructions.

Retracts can be manual (servo linked) or pneumatic.(sold separately)
Critical Mass

48" wing span
504 sq. in wing area
115oz Flying weight
48" long

For 4 or 5 channels: Throttle, Aileron (2 servos), Elevator, Rudder.

Hacker B50 13S 5.2:1, 15x10
10/16-1700NiCD/3000NiMH
TP6000 4S/5S3P
50mm spinner

Good Axi4120/14
Jeti Advance 70Amp
5S 2000 mAh 18.5V Lithium

BETTER 430/25-16w 14p 16x10
10/16-1700NiCD/3000NiMH
TP6000 4S/5S
50mm spinner
40amp controller 16 cells draws 38.amps @ 6100 rpm

wing span 43.5 inches
length 47inches
weight 6.5 lbs. flying weight
Wingloading 90g dm2

Critical Mass

Ductedfans-RC Critical Mass ARF, Moto Roto 430 motor, Jetmate ESC, and Moto Roto mount.

Item# DFRCMASS02 (The Critical Mass with fixed gear)
Regular price $489.99 Sale price USD~$289.99 Sale ends ((((( on order Call to reserve one )))) 08/01/10

Item# DFRCMASS0P3 (The Critical Mass with 1 servo linked retract gear)
Regular price $523.99 Sale price USD~$323.99 Sale ends ((((( on order Call to reserve one ))))

Item# DFRCMASSP4 (The Critical Mass with 430 Moto Roto Made in the USA, Moto Roto Mount, and 1 servo linked retract gear)
Regular price $783.99 Sale price USD~$723.99 Sale ends ((((( sold out on order Call to reserve one )))) 08/01/10

We also have Pilot head and retract covers. call