MARK'S FAST ELECTRIC BOAT PAGE-A.M.P.B.A Electric Competition Rules

AMPBA PO Box 8 Sylvania Southgate NSW 2224
Brian MacKellar (AMPBA President) 02 9588 6453

The following is an exerpt from the Australian Model Power Boat Association rule book.

16.1 INTENT AND DEFINITION

To encourage and promote a national standard for electric R/C model boats.

16.2 MOTOR/BATTERY SPECIFICATIONS

1 Batteries shall be nickel-cadnium type (NI-CAD)no larger than sub C size.

2 Motor Classifications.

A . Stock-Stock motors shall be defined as any 0.05 size motor(1.5" diameter)with a Tagged or closed end bell and bushings as opposed to ball bearings,readily available through hobby shops, with a manufacturers suggested retail price not exceeding $50.00. Motor magnets shall be of ferrite type. Motors must remain stock as supplied by the manufacturer, except for brushed and springs. The end bell cannot be removed.

B. Open - Open motors can be any motor including cobalt type. Stock motors may run in modified.

3. Motor Control

A boat must have a means of starting and stopping the motor via radio control.

16.3 CLASSES

1. Stock Motor:

A. 6 cell Mono

B. 6 cell Hydro

2. Open Motor:

A. 7 cell Mono

B. 7 cell Hydro/Tunnel

C. 8 - 12 cell Mono

D. 8 - 12 cell Hydro/Tunnel

E. 13 - 18 cell Mono

F. 13 - 18 cell Hydro/Tunnel

G. 19 - 32 cell Mono

H. 19 - 32 cell Hydro/Tunnel

Hydro/Tunnel to run as same class unless there are sufficient numbers to have separate classes. Straight line speed will be separate classes.

16.4. HULL SPECIFICATIONS:

1. A. Mono

B. Hydro

2. Records in any of the previous classifications or combinations may be set on any legal AMPBA 100 metre straightway course.

14.5 RACE SPECIFICATIONS:

1. Heats shall be five (5) laps in length.

2. Starting: Each race is started with a one (1) minute audio countdown with the race starting as the count reaches zero. Boats may launch at any time during the last thirty (30) seconds. Boats not running after the countdown reaches five (5) seconds, will start in the direction of turn one and must circle left and right turns before making a legal start. Boats entering the course must yield right of way to boats on the course. All boats must circle at least the right turn before making a legal start. Once entering the course, the boat must continue moving. Failure to do so shall result in a one (1) lap penalty. Milling procedure will be defined by the race officials prior to the start. Jumping the start will result in a one (1) lap penalty.

3. The Race: Once the race begins, the general racing rules as per the "AMPBA Rule Book" shall be enforced.

14.6 REGULATION COURSES:

1. The oval course shall be defined and measured as follows:

A. The course shall be 800 metres in length for all classes.

B. The course shall be 5 laps for all classes.

C. A recommended 800 metre course shall have 50 metre straightaways, 19 metre diameter corners.

D. The Start/Finish Line should be located as closely as possible to the centre to the straightway.

2. Multi Racing: Four turn buoys placed in a rectangle with 100 metres between the front and rear straight buoys and 50 metres between side buoys. A fifth buoy placed halfway between the rear buoys and 10 metres from a straight line between the rear buoys. Boats will follow the 'M' shaped course running clockwise starting at the front straight right-hand buoy.

14.2 SPECIAL CLASSES

1 Scale Unlimited Hydroplane

a Intent: To duplicate the AMPBA Unlimited Class of Hydroplane as closely as possible.

b Hull Specifications:

(i) Boats are to be approximately 1/16th scale

(ii) Modifications are allowed to ride surfaces. keeping the general aesthetics and design of the particular hull intact.

(iii) Effort in scale realism is the desired attitude.

(iv) A driver of scale like appearance will be used unless the boat has an enclosed canopy cowling.

c. Motor: Any single electric motor.

d. Batteries: 7 cell maximum.

e. Drive train:

(i)Steerable out drives are not allowed

(ii)Only a single propellor may be used.

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