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Bluegrass Blitz v. Bruno van Hoek
BB6 -2

Airplane

Bluegrass Blitz   - airframe: derivative of ‘Peanuts’ from Henk de Jong => Juno+ with D-tube wing and straight hinge line.

Looks: derivative of KA-8/10 by Anatoli Kolesnikov  

T/O weight

64 oz. or 1815 grams / 61.6 oz. or 1727 grams with lighter battery

Area (Wing & flaps)

627 sq.in or 40.5 dm

Span

1420 mm (60.6 in)

Wing airfoil

Werwage Juno

Flaps hingeline sweep

none

Hingeline-hingeline

425 mm or 16.7 in

Empennage airfoil

Built up flat plate 13 mm, elevator tapers to 4 mm @ trailing edge

Fin

Flat plate  5 mm solid balsa

Stabilizer A.o.A.

+/- 0°

Motor thrust angle

+/- 0°

Nose length

255 mm or 10 in  Backplate – leading edge (centre)

Motor axis above wing c.l.

0.86 in or 22 mm

Stabilizer c.l. above wing c.l.

1.4 in. or  35 mm

Rudder

Neutral, non adjustable

Graphics design

F2Bluegrass - Bruno van Hoek

 

 

Power Train

 

Motor

Torcman NT-350 20Z

ESC

Turnigy Thrust 55A

Mode

Non governor

Timer

Keith Renecle  Ver. 2 - governor

Battery LiPo

Zippy Compact 35C 4s3300 mAh/Revolectrix Bl. Label 30C 4s3100

Spark protection

Home made on - of controller.

Propeller

APC 13 x 6.5 E @ 7800 rpm

 

 

Bench Trim

June 2015

C.G.

7.9 in or 200 mm from hingeline fwd. with heavy battery

Leadout Center

1.8 in or 45 mm. rear of C.G.  6.1 in or 155 mm from hingeline fwd.

Tip weight

Outer tip 1.4 oz or 40 grams heavier

Elevators / Flaps throw

40° / 40°

Hinge seal

Hollow trailing edge, control surface l. edge half round fits exactly.

Nose trim weight

0

Tail trim weight

0

Battery trim position

Fixed, as in : no room to move

Lines

0.015” x 67.25 ft or 20.5 m (eye-eye), Staystrate: 3 wire tinned

BB4 -1
BB4 -2
BB4 -4
BB6 -1
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