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World Models T-34 Racing - Provisional Rules
CALIFORNIA RACE SERIES
2003-2005 RULES AND GUIDELINES
WORLD MODELS MFG.
T-34 MENTOR A.R.F.
RULES
Modified: 12/08/02
GENERAL
All rules are to be followed as listed below. No changes or alterations will be allowed. Any alteration of these rules will result in disqualification.
The T-34 MENTOR -racing event is to provide a racing format that can be enjoyed by all sport pylon enthusiasts. The class is intended for both entry level and
advanced level pilots. The level of pilots is divided into Novice and Expert classes therefore making racing equal. The class has limitations and all rules and
guidelines must be met.
SAFETY and MARKING
All aircraft must have name and AMA number located inside of airplane.
AMA racing insurance requires all personal on the flight line wear hardhats. Hard hats must be of ANSI, DOT, NOCSAE OR SNELL approved. Individuals are required
to provide his/her own hard hats. All pilots, crew, spotters, callers and helpers that are along the deadline/flight line will be required to wear hard hats and
sign release of liability forms. Any individual not in compliance of this will not be allowed on the flight line or staging areas.
All pilots must be AMA insured and must provide a photocopy or proof of insurance before the event. No proof of AMA, the pilot will not be allowed to fly.
A dead line will be established at each race event. If a pilot crosses over this dead line, he/she will be given a warning. If continued, the pilot will be
asked to pull out of the heat race and given zero points for that heat.
Aircraft markings and/or color schemes are optional and need not be scale. Bright color schemes are encouraged to allow easier identification. 7" racing
numbers on the lower right wing and 3" numbers on rudder or fuselage are required. Black or White numbers should be used depending on base color.
Cockpit detail or pilots not required. Canopies may be tinted, clear or opaque.
BACKUP AIRCRAFT
Back-up aircraft are allowed but must have the same race number and same frequency as the primary aircraft. Back-up aircraft may be used only if the primary
aircraft has been severely damaged. It is up to the Contest Director to allow back-up aircraft to be entered in replacement of primary aircraft. There is no
additional entrance fee to have a back-up aircraft. It is not permitted to allow the original aircraft entered and flown to return to race once the backup
aircraft has flown a heat. Parts from back-up aircraft may be interchanged with primary aircraft.
HEAT RACES
Each heat race will have a maximum of five and minimum of three scheduled aircraft per heat race depending on entries. Individual events have the option of
having a frequency-controlled event requiring contestants to pre-register their aircraft prior to the event.
The pylon course is a standard two-pylon course and each aircraft must complete 8 laps to qualify for points in each heat. All aircraft are air started using a
twenty-second audio countdown. Aircraft jumping starts will be given a one-lap penalty. Gross start cuts, which the aircraft is 50% or more to the pylon will
result in a zero for the heat. Pylon cuts will result in a one-lap penalty. Once an aircraft has been given three cuts, ether combination of start and or pylon,
the aircraft will be given zero points for that heat. Turn calling will be at the pilots/caller's discretion. Each race site has designated deadlines and no fly
zones. Pilots will be given one warning and disqualified for second violation. If a pilot continues to demonstrate unsafe flying, the pilot will be grounded.
There will be two classes offered. Pilots will be divided into the Novice and Expert classes depending on pilot skill. The Trophy race qualifiers will be
determined by taking the top five pilots with the highest points accumulated from the heat races generated throughout the racing event will move into the trophy
races. In the case that there is a tie in the standings, the contest coordinator has the option to run a sixth or seventh plane in the trophy race. In the case
of radio conflicts, Trophies will be handed out to the top points finishers. With a conflict of frequencies and a tie in points, the higher position will be
given to the person with the best finishes throughout the day. If a pilot has one win and the other person has two wins in heat races, the higher position will
be given to the person with a higher amount of finished positions.
REGISTRATION
All pilots must pre-register before the event to reserve frequencies and race numbers. Sign-ups are on first come, first serve basis. Registration forms are
available through the Contest Director. Class size limited. No aircraft entering can have the same frequency.
Photocopy of AMA insurance is required to be on file and must have full page 8.5 X 11 paper with photocopy of AMA on it. Attach copy to entry form during
registration. No proof of AMA, No fly!
T-34 Aircraft Limitations
AIRCRAFT SPECIFICATIONS
1) World Models Mfg. T-34 Mentor A.R.F. KIT kit cost $130.00 approx.
2) This is a "Almost Ready To Fly " kit. No kit modifications may be allowed to the structure of the aircraft such as but no limited to the use of
foam wings, clipped wings, airfoil modifications, wing fairings, tail fairings, and incidence modifications. Modifications are illegal and will result in
disqualification. Hidden Battery switch hatches are ok. Sheeting tail with plywood or balsa wood to strengthen tail is legal. Center sections of the wing may be
fiberglass to add structural strength. The aircraft must be assembled per instructional booklet supplied with kit. Landing gear in kit must remain as is to that
of the stock kit. Aircraft may be re-covered in a different color scheme. Cowls may not be altered in outline but air ducts may be sealed. Dihedral of the wing
must measure 3/4"minimum. ( this is measured by setting one half of the wing on a flat surface and measuring the other wing panel at the lowest part of the
outside wing-tip rib. Variences are up to Contest Director to allow legalization.
3) Spinner type: Open manufacturer and size
Wheel Size: Wheels supplied in kit. Replacement wheels must be of equal size (width and diameter) as stock wheels. No racing wheels will be allowed. No landing
gear fairings.
Radio installation: See section on Radio Installation below. Limitations occur.
Gas Tank: Open size and manufacturer. No bladder tanks or pressurized systems. Check valves not allowed.
4) Other: All items such as cowl and canopy must be installed per kit instructions. Any wood, carbon or
composite prop that is two bladed will only be allowed if commercially available. No single bladed propellers.
Weight: Aircraft must weigh a minimum of 5.5 lbs. (dry)
5) The engine for the T-34 Mentor Class is the O.S. .46 FX engine. No other engine manufacturer or late model O.S. engine will be allowed. Stock O.S. mufflers
supplied with the engine is the only muffler legal.
Engine must remain stock with no modifications. Motors are randomly checked by Contest Director or appointed individuals. One stock head shim /gasket only is
required. Mufflers may be modified only by removing the baffle or drilling the exhaust exit (muffler exhaust extension must remain in contact or
disqualification will occur). Mufflers may be wire mounted to engine to eliminate loss of mufflers. No muffler deflectors or extensions allowed. Engines may
only be mounted upright. Engines may not be mounted sideways or inverted. Any violation /modifications that are illegal will result in disqualification from the
event and also for one year from all racing events. No servo operated or electronic fuel mixtures allowed.
Note: It is recommended that a all-thread rod of 4-40 or 6-32 be substituted for the standard bolt that goes through the muffler. Double nut with a lock nut at
each end of the rod with lock-tite helps prevent loss of rear half of muffler. This is only a recommendation
6) Any Synthetic and/or Castor oil fuel will be allowed with a maximum of 15% Nitro. Individual races may supply fuel if advertised prior to the race.
7) Radio hook-up is open with the exception: No micro servos are allowed. Standard size servos only. If dual servos are to be used in the wing, standard size
servos must be used. Minimum of a 500-mah-battery pack is required. Radio hardware such as pushrods and linkages may be replaced. Slip type linkages with
set-screw such as supplied in kit may not be used on Ailerons or Elevator. Z-bend or solder linkages are the best suitable application for major control
surfaces. All control linkages must have keepers.
All pilots must obey all guidelines and rules of the radio frequency impound. All pilots are to have a frequency pen on their radio or shirtsleeve before
turning radio on.
All aircraft will be safety checked and checked for compliance with the rules. The Contest Director has all rights to challenge an entrant's aircraft in
question to legality at no expense. If a contestant wishes to challenge another entrant, there will be a $20 protest fee. A pilot deemed illegal would result in
disqualification. Major violation will result in termination from all races for one year
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