DISTRICT
1
Rule
Book
of the
North
American
Model
Boating Association
International,
Inc.
REVISION: February, 2011

This rulebook works in conjunction with the NAMBA rulebook,
and it supersedes any other rulebook; including, but not limited to, the NAMBA
Rule Book.
General
Rules
1. Sponsoring clubs will pay District 1 $4.00 for each boat
entered for all types of point heat racing and $3.00 per run at District
Straight-aways and Oval Time Trials.
2.
All classes
except Unlimited R/C will have a maximum of $8.00 entry fee. R/C Unlimited will
be a maximum of $9.50 if concourse trophy is awarded, $8.00 if concourse trophy
is not awarded.
3.
Sanctions
& Flyers:
C)
The
approved Race Schedule at the February Meeting should, where possible, list
late season available alternative dates for any possible rescheduled races as
in Section “B)” above.
4. Entry fees to accompany entries. All unpaid entries
will not be allowed to reserve frequencies. Any member who called in or emailed
their entries and do not show up at the race & do not call the CD in
advance of not showing shall be liable for the payment to the host club for the
full entry amount. The racer shall not be permitted to race in any other NAMBA
event until payment is made to the host club.
5. No boat may be entered more than once in a
given class. There must be a minimum of 3 (three) prepaid entries for any gas /
nitro class, 2 (two) for Fast Electrics, to be considered legal and to be run
for district points.
6. At any District 1 sanctioned event, there
must be bathroom facilities provided at the site.
7. Clubs holding NAMBA sanctioned events may
not run non-sanctioned events before or during the event, unless it is stated
on their flyer.
8. The race entry cutoff date for a point
heat race will not be earlier than the Saturday before the race weekend.
9. Clubs that add a race after the final race
schedule is complete must have the sanction to the Director no less than 30
days prior to the race date. Flyers must be sent to all District 1 members
postmarked no later than 30 days before the race date.
10. If a Club does not attend or does not let
the District Director know in advance of the start of district meeting whether
their race date is confirmed, the date will be considered open.
11. All District two-day point heat races
should consist of at least 4 heats per boat class, if at all possible.
Attention to limiting the number of entries on any one frequency should be
observed. If you do limit number of entries, this must be stated on the flyers
and entry forms.
12. A minimum of a first aid kit will be made
available at all District 1-sanctioned events.
13. There will be a barricade around the pits,
both sides and rear (manmade or natural).
14. Any designated spectator area open to the
beach will have a barricade to protect it (manmade or natural).
15. A dB meter must be available for use at
point heat races and a 95-dB limit will be enforced. In addition, any boat, be it gas or nitro, must have a chambered
silencing device or exhaust water injection on it, in an effort to keep noise
as low as possible. It’s up to the CD to check for muffling devices and to have
a DB meter available to check for the 95 Max Db noise level. The CD will protest any boat over the noise limit and
that racer will have 1 heat to fix the problem. If in the next heat the boat is still over the noise limit,
the CD will disqualify the boat for the remainder of the event.
16. The contest director shall have the authority to make
the decision on whether a hull is legal or illegal in its class. He/She may
request the assistance of the District 1 Class Chairman for guidance only.
17. All Boats on stands with the centerline of the
propeller shaft over 12” from the ground shall have a prop shield on three
sides. This prop shield must be constructed of a substantial material such as
wood, metal or plastic & be solidly anchored to the stand in such a manner
so as to enclose the prop & be unmovable at the
time the boat is started.
18. Allow gasoline ignition type engines that
have been converted for use in model powerboats with a maximum displacement of
30cc, may compete in the “X” Class. (“X” Mono, “X” Hydro, Sport 90, “X”
Offshore & “X” Deep Vee)
19. An open mill, full course mill or a ¾ mill pattern will be used. The club flyer will state which will
be used & it will remain consistent for the duration of the event. If it is
not stated on the flyer it will be considered an open mill.
20. A boat may come back into the pits during
pit time and race time, but not during clock time. A boat may be restarted only
during pit time.
21. At the end of pit time, if a boat’s
engine(s) is running and off of the stand, the boat may be launched at the
discretion of the Contest Director.
22. The Contest Director has the authority to
restart a heat disrupted by outside man-made interference or unsafe conditions.
Only boats running at the time of the decision will restart. This heat will be
rerun the same day. If the race clock malfunctions, that heat will be stopped
& re-run. If the race clock malfunctions after “no more boats,” (mill time)
only those running will be allowed to re-start.
23. Hitting a dead boat at any time during a contest
will be cause for disqualification and forfeiture of points for no more than
one event or heat. Unavoidable hits will be ruled only by the Contest Director,
in which no loss of points will occur. If a boater finishes a race, then hits a
dead boat, he will be disqualified, and looses the points he earned. The
remaining boaters, if any, can not advance a position when they finish that
heat. The points that were lost due to
the disqualification will not be awarded to the next boater who finishes. If a driver
hits the hull of a called dead boat, the driver will be disqualified for the
heat & will receive zero points. Any piece that detaches from the hull
during the heat shall not be considered part of the hull.
24. When one-boat remains running in a heat, the
driver has the option to make one complete lap to obtain 1st place points, or
completes the heat for record time. If the driver attempt to go for record time
and the boat does not finish six laps, he will be awarded 25 points, DNF.
25. A Contest Director’s permission must be
given to cut the course after the heat is over.
26. Clubs will have retrieve boat racks &
life jackets at all races.
27. Each Contest Director must submit to the
District Director and District Class Chairmen results of each race by heat and
by total points for each driver within 14 days.
28. All point heat racing clocks and audio
clocks will be accurate within ± 5 seconds in any 2-minute period.
29. The contest director may skip the
remaining pit time and go to mill time (30 second clock time) after all drivers
are asked and agree. (Assumes all boats have been launched)
30. The Contest Director has the option of
using an audio clock or a visual clock. The one used will be stated on the
flyer.
31. For all heat racing classes, District 1
point Class Championships will be determined as follows:
· 0 to 3 races - Class
Champion not awarded
· 4 to 7 races - Lowest
point race dropped
· 8 or more - Lowest
2 point races dropped
32. Trophies or plaques will be awarded for
1st place for each type of point heat race and enduro - type race. It is the
option of the host club to award trophies for 2nd and 3rd place or ribbons from
4th through 8th places.
33. “In the event of a tie between two or more
racers, the following tiebreaker hierarchy shall apply:
Heat Racing Events:
· 1st Tiebreaker – Fastest time of the
class
· 2nd Tiebreaker – Best finishes
· 3rd Tiebreaker – Head to head
victories
· 4th Tiebreaker – Coin Toss
Year End District Awards:
· 1st Tiebreaker – Higher number of
actual heat racing points
· 2nd Tiebreaker – Higher number of 1st
place finishes
· 3rd Tiebreaker – Head to head
victories
· 4th Tiebreaker – Coin Toss
The district director shall be empowered to eliminate
2nd & 3rd place class trophies for the year if in his
discretion, the district funds would run at a deficit for that year.
34. It is not required for clubs to purchase Race trophies
prior to the event. During the awards ceremony, or afterwards, if a boaters
decides he wants the 1st, 2nd or 3rd place
award, the hosting clubs will get the award to the racer within a month of the
event
35. Refunds: If a contestant notifies the
Contest Director of the sponsoring club prior to the Friday before the race, he
will be refunded for his entry fee. After that date, it is up to the sponsoring
club if they want to refund entry fees. All entry fees for a given class will
be returned and the contestant notified if a class is canceled. The contestant
will be notified prior to the first day of racing.
36. District Meeting: The District Meeting will be held in
early February. The race schedule, motions and all district business will be
discussed. Motions will be accepted by legal clubs / race teams providing their
motion(s) are sent by US mail, or email, more than 45 days before the meeting,
to the district director. The director will send out the motion PRIOR to the 15th
of December for clubs to discuss. The District meeting shall not be prior to 31
January (less than 45 days before the motions are sent out).
37. All clubs, when conducting a district
sanctioned race, must guarantee that besides a Contest Director, they provide
two corner judges.
38. Straightaway markers or buoys that mark
the inside straightaway of an oval course, can be used at the club’s
discretion.
39. Ball & String - type retrieval is not
allowed while a heat race is running.
40. The Contest Director can disqualify any
boater who attempts to start a boat in the pit area, on a pit table, without a
prop shield.
41. “Work Tables” are not allowed to be set up
in the pit area. Boaters may use “Pit Tables”, with prop shields, in the pit
area for starting boats which are in that heat.
42. During ‘Pit Time’ and ‘Mill Time’, boats
on the outside of the course will yield to the boats already in the mill. The
boat(s) that is milling inside the course will have the right-of-way.
43. District 1 shall supply high point awards
for:
1) All Nitro classes as one group
2) All Gas classes as one group
3) All Electric classes as one group
4) Junior Racers as one group
5) Female Racers as one group
44. A driver’s 3 (three) highest placing boats
in each class will be used to determine an overall high point winner. Class
points will be counted not race points. There must be at least two paid members
racing in a minimum of 1/2 of the total number of races held during the racing
season. For Deep Vee & Offshore races, the class points will be added in
lieu of the total number of laps. All races will count for the year; the lowest
point scores will not be dropped. Female and Junior High Point Champion will be
determined by the two highest placing boats for all classes combined. The cutoff age for Juniors will be up to,
but not including, age 16 at the start of the racing season.
45. Sponsoring clubs shall run 6 lap heats with 1.0
mile-measured length.
46. Sponsoring clubs may charge $10.00 per boat for “day
of the race entries and non pre-paid entries”, if stated on the flyer; except
in all Sport Hydro and R/C Unlimited classes.
47. Only heat times from 1.0 mile measured courses will be
considered for district awards.
48. Motions that are made concerning radio, boat, or
engine specifications, where boaters may not be allowed to use the equipment or
race in the upcoming season, SHALL be sent to the District Director PRIOR to
the 15th of December. Limitations on hull lengths, engine sizes /
specifications, or radio usage, need to be sent to the clubs / race teams 45
day in advance of the District Meeting. For parliamentary rules that will not
disqualify a boater from racing in the upcoming season, these votes can be
made, seconded, and voted upon at the January / February meeting. Rules
concerning district business, safety concerns, financial matters, etc., are
considered parliamentary, and as such, do not require 45 days advanced notice.
It is suggested that ALL motions be sent to the district director prior to the
15th of December, in order for everyone to be aware of a change;
however, some rules do not need advanced notice. The district director will
send any / all motions made to the clubs / race teams, as soon as possible for
club discussion prior to be the district meeting.
49. All District 1 motions that
affect the NAMBA rules except General District One rules will be sent to NAMBA
for voting within 30 days of District one approval. If voted down nationally
the rule will be removed from the District 1 rules when the results of the
voting are received.
50. The District 1 rulebook will be updated
yearly and made available to each contest director. Each contest director must
have a copy of the District 1 rulebook available at the race site.
51. OPC class boats are allowed to run in the Sport boat
classes of the same engine size.
52. The District Director shall establish a district
checking account to receive & disburse all monies. The District Director can appoint a
District Treasurer who shall maintain this account. The Director and/or
appointed Treasurer shall have the authority to sign checks.
53. Only district 1 registered clubs with a minimum of 5
members can hold a sanctioned district 1 race.
54. All district 1 motions shall be made by authorized
legal club representatives, only.
55. If a boat touches, in any way, or cuts 1 or more buoys
in a turn (a turn being 1 set of buoys on 1 end of the course), it will = 1
cut. This will clarify in a more
definite manner, the National rule on touching/displacing a buoy. Previously,
it was allowed in District 1, to touch a buoy on the outside, and it would NOT
be an infraction. This new rule/clarification would be more in line with the
intent of the National rule, since any movement of a buoy can be interpreted as
displacing it. The buoys are there so as NOT to be touched.
56. The district racing classes will be defined as
follows:
· Sport 21(N) – Sport
21-II, A OPC, A Mod Tunnel
· Sport 40 (N)
– Sport
40-II, B OPC, B Mod Tunnel
· Sport 60 (N)
– Sport
60-II, C OPC, C Mod Tunnel, Scale
· Sport X (N)
– Sport
90-II, X OPC, X Mod Tunnel, G1 Sport Hydro & GX1 Sport Hydro
· AB Mono (N) – A
Mono, B Mono, A O/B Mono, & up to 4S power – “P” power parameters
·
AB Hydro (N) – A
Hydro, B Hydro, 21 Cat, 45 Cat, A OPC, B OPC, A Mod Tunnel, B Mod Tunnel, A O/B
Hydro, B O/B Hydro, Sport 21, Sport 40, & up to 4S power – “P” power
parameters
· Unlimited (N) – Any
approved legal 67 size Scale boat & up to 10S power – “T” power
parameters
· CX G1 Mono (G) – C
Mono, X Mono, G1 Mono
· CX G1Hydro (G) –
C Hydro, X
Hydro, 67 Cat, 90 Cat, C OPC, C Mod Tunnel, X OPC, X Mod Tunnel, Sport 60,
Sport 90, Scale, G1 Sport Hydro
· Crackerbox (G) – Up
to 25.99cc Wood or Fiberglass Crackerbox
· G1 Sport Hydro (G) – Up to 25.99cc gas
sport hydro hulls
· Open Cat (G) – Any
Catamaran hull- gas, nitro, or electric
· Open Mono (G) –
Any
approved legal mono, any power (gas, nitro or electric).
· Open Hydro (G) – Any
approved legal hydro, any power (gas, nitro or electric)
57. Every person who enters a gas boat in a race or
operates a gas boat shall have a functional fire extinguisher in their pit
area, as well as in the hot pits during the heat they are racing.
58. Every transmitter, other than the 2.4 GHz spectrum
style, shall be placed in the “Radio Impound” prior to the start of a
sanctioned race, and stored there throughout the race, until the corresponding
frequency clip is obtained from the host club, allowing the driver the
opportunity to race / work on his boat.
Class Rules
Mono / Hydro
1.
Classes will be “A”, “B”, “C”, & “X” Mono & Hydro
2.
Classes may be combined as follows: “A”& “B”, “C” &
“X” Mono & “C” & “X” Hydro. Combined classes must be stated on the
flyer.
3.
A Point Heat Race can be a one or two day race, and must be
noted on the flyer.
4.
Mono one day, and Hydro the other, will be optional for the
sponsoring club, but must be stated on their flyers.
5. Club Team Patch: For District 1, Mono / Hydro - The “Club
Team” can be made up of any 4 members (maximum 4). The “Club Team” must be made
up of any 4 members of the same club as registered with NAMBA. The “Club Team” list must be
given to the Mono / Hydro Chairman prior to the start of the second half of the
race season (including the District Banquet Race).
6. No Mono / Hydro racing shall
be run on back - to - back weekends.
Scale
Unlimited
1.
Scale Unlimited will be a one - day event.
2.
Entry fees will be a maximum as stated in the General
Rules.
3. In the event
that a part of the boat is lost or damaged beyond repair, as a result of a flip
or hit, the boat may run out the rest of the day. This includes open water.
4. In the event any part of the boat falls off during a race
that has not be caused by a collision with another boat or buoy, the boater
shall be awarded 6th place points for that heat only.
5.
A Concourse award is mandatory. In the event a Concourse
award is not presented, the hosting club shall refund $1.50 to all R/C
Unlimited entrants.
6. There shall be no more than
5 boats running in the same heat. Except if the Love plan is used, then the final
heat may have a maximum of 6 boats.
7. The Love Plan shall run
either 3 or 4 qualifying rounds, 1 consolation round (if more than 6 boats were
awarded qualifying points), and 1 final round.
8.
Love Plan Unlimited Modified Point System. The District 1
points awarded for 1st through 6th shall be determined by the order of finish.
If any, or all, of the boats fail to finish,
places awarded will be determined by the preliminary heats' point totals for
those boats. District points awarded for 7th & 8th place will be determined
by the preliminary heat’s point totals for those boats after the consolation heat.
Sport
Hydro
1.
Classes will be “A”, “B”, “C”, & “X”.
2.
A Concourse award is optional.
3.
Drivers are not needed in all Sport Hydro classes if there
is a darkened, closed-in cowl.
4.
If the boat is painted as per an Unlimited, the
"U" number may be used. The NAMBA number must be on the transom using
1/4" size numbers.
5.
The strut may be installed on the back of the transom, as
well as underneath the hull. The strut may not extend past the rudder, and
extension struts will not be allowed. The maximum distance the drive dog may be
off the back of the transom must be less than 4 (four) inches, measured on the
engine side of the drive dog.
6.
Hulls must be of Unlimited and / or Limited design, with
all riding surfaces (drive train and prop not included) in the front 50% of the
hull length. Exception to be any boat which is configured and detailed like the
actual Limited / Unlimited (photographs of the boat bottom detail will
constitute proof). Pickle fork hulls may not be recessed more than 25% of the
total length of the hull. The following are not allowed: Outrigger, Modified
Outrigger Canard, or Tunnel designs.
7.
If any part of the boat is lost or damaged beyond repair,
the boat may finish that event without that part (i.e. cowl or wing).
· Sport 21-II & Sport 40-II
A. Rules per NAMBA rule
book.
·
Sport 40-III
A. Rules per NAMBA rule book.
C.
Sport 40 II boats may run w/ Sport 40 III boats.
· Sport 60 & Sport 90-II
B. The use of twin
props and drives will be permitted.
C. The maximum
number of boats per heat is 5.
Kids
Are Boaters, Too
1. Class to be
"A" size.
2. Rules per NAMBA
Rule Book.
Fast
Electrics
1.
Rules
per NAMBA Rule Book.
2.
P-Spec Power
Specifications
A) Motor Specifications:
The intent of the P-Spec Power Specifications is to
define a motor package to be used in P-Spec and Limited class racing. These
rules are intended to either supersede, or be in addition to, any rules
pertaining to motors for a given class, as specified within the rules for that
class.
Motors in these specifications shall be based on but
not limited to readily available parts from past, current, and/or future
Ready-to-Run offerings by various manufactures. Only motors on the approved
motor list shall be allowed unless approved by the CD/ other racers of that
class before the start of the first race. Other motors that meet similar
specifications to the motors on the Approved Motor list may be considered at
the discretion of the Club. Motors
are intended to be used as they are supplied. Therefore, no alterations or
modifications are allowed, unless specifically stated in these rules.
B) Approved Motors:
The motors generally approved for P-Spec racing are:
· ProBoat - PBR3310 A3630-1500 6 pole brushless motor (BJ26, Formula
FastTech, Miss Elam FE)
· AquaCraft - a.AQUG7000
L36/56 7.2-18V 6 pole brushless motor (SV27)
b. AQUG7001 36-56-2030 6 pole brushless
motor (UL-1 Superior)
· Himax - HB3630-1500 Brushless – 6-Pole
brushless motor (E-RCU Spec Motor)
Motors to be added outside the “Norm”
· Scorpion 3026-1600 OutRunner 6-Pole
brushless motor
· Scorpion 3026-1900 OutRunner 6-Pole
brushless motor
C) Electronic Speed Controls (ESCs)
Any Speed Controller is allowed to be used.
D) Power Limits - Batteries
Batteries shall conform to NAMBA Electric Racing “P”
class Power Limits: Power Limits: 10.1 to
15 Volts nominal, any chemistry. Maximum of 2 packs in parallel. (Maximum
capacity of 10,000MAH)
The District 1 Maximum battery capacity is 6500MAH.
Gasoline
1. Rules per NAMBA
Rule Book.
Open
Catamaran Class
·
HULLS
A. Hulls will be of
Catamaran design only
B. Maximum hull
length is 60”
C. Paint Schemes
may be authentic or reflect an attempt to make the boat appear like a typical
full size offshore race boat past or present
D. Hatch covers may
be open cockpit (2 drivers min. required and must be painted), or if enclosed,
canopy area must be painted black to resemble windows (in this case, no drivers
required)
E. Rudders, struts
and trim tabs may be configured and located as desired.
F. There may be a
provision for holes to be cut out of the top of hatch cover for spark plugs or
the top
of water-cooled heads only if needed
·
ENGINES
A. Engine size(s)
to conform to NAMBA Rules for up to 25.99cc class displacements including Gas
engines.
·
RACE FORMAT
A. Rules per NAMBA
Heat Racing Rules
Deep
Vee / Offshore Competition Class
1. Classes will be
“A”, “B”, “C”, & “X”.
2. The “A” &
“B” classes, and “C” & “X” classes may be combined, but must be stated on
flyer.
3. Rules per NAMBA
Rule Book.
4.
For Deep Vee racing, flyers must include duration of the
race, starting procedures, and a diagram of the course.
Outboard
Performance Craft (OPC) Class
1.
Classes will be “A”, “B”, “C”, & “X” Mono & Hydro.
2.
Classes may be combined; stock & modified A" &
"B"; "C" & "X" must be stated on the flyer.
3.
Rules per NAMBA Rule book.
·
Stock Tunnel
A.
If a boat uses a darkened, closed-in cowl, you do not need
to have a driver.
B.
It is optional for the "C" class to have the
water-cooling exit into the exhaust.
·
Modified Tunnel
A.
Offshore, competition, & Sprint cats are not allowed to
race.
B.
A 3rd channel fuel mixture valve will be allowed.
C.
Boats do not require drivers.
·
O/B Hydro
A.
Outriggers, tunnel hulls, & catamarans are allowed, but
the engine must be the sole means of steering the boat.
Time
Trials
1. Classes will be
“A”, “B”, “C”, & “X” Mono & Hydro and gasoline.
2. The entry fee
will be a minimum charge of $9.00 for 3 runs; (three runs mandatory). Payment
is required prior to any racer putting his / her boat in the water.
3. Additional run
fee must be stated on the flyer.
· Straight-away
A.
Speeds shall be determined by NAMBA general rules, with
record 1/16th of a mile straight running.
B.
Straightaway can be run on any weekend other than a Mono -
Hydro event.
·
Oval
A. Classes will be
"A", "B", "C", & "X".