|DISTRICT 20 GENERAL RULES
Latest updated rules.
1. The course will be closed for testing during lunch breaks at any District Race. A minimum of a 30-minute lunch break
should be provided and additional details will be provided by the CD at drivers meeting.
2. The last District race of the season will be double points for all classes.
1. The entry cut off will be 8:00 pm the Sunday before a race.
Gas Class Specifications:
1. Within each hull classification there shall be two engine classifications, G1 and Open, both of which will follow all
NAMBA, Section 27, Gas specification rules.
Exceptions are Classic Thunderboat will remain as stock Zenoah G260 engine using the stock 257 carburetor only,
described in NAMBA Section 27, Specialty Classes, Classic Thunderboat rules.
For a club to become qualified to host future district point races, the following steps must be completed.
1. Must be current registered club of NAMBA
2. A club must be able demonstrate a unique need such as locale, vertical interest etc. that is not
being met by the existing clubs in the districts.
3. Must have put on at least one FUN RUN (no points) type event and demonstrated the ability to
have an organized event with proper equipment.
4. Obtain the verbal or written endorsement from two other District 20 Commodores which should
be provided to the District Director. Steps 2 & 3 steps can be waived if the club Commodore / members of the club in
question have shown the past ability to host quality races, which will be at the discretion of the District
5. It will be the responsibility of each individual club to provide buoys for their own race/event.
The $15.00 per driver fee is collected by the District Treasure or local club Treasure. The district shall retain said funds.
The $5.00 per boat fee is collected by the District Treasure or local club Treasure. The hosting club shall retain said
If hosting club collects fees he or she may reconcile at race site with District Treasure or must submit funds due to the
district within 10 calendar days of end of said event.
The driver’s entry fee is $15.00 and each boat fee is 5.00. If a contestant should enter only one boat his total fee is
$20.00, two boats = $25.00, Three boats = $30.00 and so on
Any person entering a race must pay all fees associated with entry unless they cancel registration by the Wednesday
before the race, prior to 6:00 pm. If entrant fails to show up for a race they have entered they must still pay the entry fee
prior to being allowed to race in any future district events
All moneys collected from raffles should be retained by hosting club unless agreed to other distribution in writing prior to
There must be a minimum of three prepaid entries on compatible frequencies to make a class and or a race.
A class must make the minimum of three paid entries on three separate occasions to qualify for season championship
The number of heats constituting a race is determined by the number of entries and time available, however, a minimum of
three rounds is required with ties to be broken by the fastest time. If round three is interrupted, then only those classes
that completed three rounds of racing will have the points awarded for district points. NO makeup of partial rounds will be
allowed. Example…. A-mono is the first heat in round three and it completes its heat but the next heat of Gas mono is
interrupted and the race is called off due to weather or anything else, only A-mono will be considered a completed race
day and awarded district points. Gas mono and all other subsequent heats will not be awarded district points. Make up
races will only be considered if the race was called off before it started or no classes started or completed round three.
If a boat is started but still on the stand it will be allowed to launch during mill time and enter the race. If said boat is not in
the water at end of mill time it will not be allowed to race.
The GX1-2 classes will be moved to Saturday’s and G1 classes will be moved to Sunday’s
Only your 5 best races will count towards year end awards
Any Zipp Kits crackerbox will be allowed in any crackerbox class.
A-Super Stock OPC—Engine will consist of any .21 power head and any lower unit. The engine must run a canister type
muffler. No tuned pipes allowed. Any modification to the motor or lower end is allowed.
The mixing of power types is allowed and encouraged to make a class or allow a boater to “run what they brung”.
Stock Gas Mono - rules are same as NAMBA Classic Thunderboat with the exception of using the stock REV engine.
P-Limited OPC Approved Motors -
i) The motors shall be used as shipped from the manufacturer, with the exception of creating a
drive shaft flat spot, adding water cooling, and allowing the motor to be connected to the ESC by
ii) Currently approved motors and new proposed motors (see attached file) all motors in "white" are
the current NAMBA approved motors, new proposed motors are in "color" for the purpose of
displaying new brands
iii) In addition, the CD has the discretion to allow the following:
(a) An aftermarket motor that is a re-labeled and exact copy of any approved motor.
(b) Any generational change of an approved motor, or a motor that is used in a Ready To Run
(RTR) offering from a manufacturer that produces over 100 units of said offering, as long as there
is no more than a 5% increase in any of the following manufacturers specifications as compared to
any single approved motor: Kv, maximum constant amperage rating, mass, and MSRP.
(c) The race flyer shall list additional allowed motors for the event Section Name: ELECTRIC
NAMBA rules will be followed and adhered to by all members
Each racer or participant for practice must be a NAMBA member. NO EXCEPTIONS. A single event membership is
considered a NAMBA member for that single event only.
No starting/running any boats on any approved lake before 8:30 am, unless approved otherwise by CD.
PLEASE REVIEW LAKE SITE RULES FOR FURTHER IMPORTANT INFORMATION CONCERNING EACH RACE SITE
Drivers meeting will be held at 9:15 am each race day and racing starting no later than 9:45 am unless otherwise stated by
contest director prior to the start of the event.
Fighting, arguing, name calling and cursing are grounds for dismissal from an event at the discretion of the CD. Excessive
arguing with a made call or non-call of a CD, could also be grounds for dismissal of that class for remainder of the day and
loss of points for said class for the entire day.
If needed, a Safety Monitor will be appointed by District Director, he or she will report all findings to Contest Director,
District Director and Assistant District Director