(Note – these are NOT the same rules to be used for all other Divisions)

General Info

It will be a 1 day event on April 28^th the racing will start early on Friday. Tech In will take place Thursday April 27^th from 6pm - 10pm.  All proxy entries MUST BE received by Wednesday April 26th. Racing will begin at 9am on Friday April 28^th.

Format for Pro Division Racing

Each car will race once in every lane - 6 lane track

The heats will be randomly generated by the race management software

        *  Each race is timed with electronic equipment.

• In the event the equipment fails, the race(s) will be re-run.
• The slowest time will be dropped and the  average of the remaining 5 times will determine the results for each racer – Composite Time     

A Finals “Grand Finals” Heat will be run with the Top 12 cars from different builders using Composite Time – There will be 12 cars that advance to finals representing 12 different builders. It not possible for a builder to have multiple cars advance each builder will have to choose which qualifying car to advance.. The finals will consist of 6 more runs. Again the slowest time will be dropped and the average of the remaining 5 times will determine the results – Composite Time. Pro-Division will award 1^st – 12^th Place Trophies for each of the 6 classes.

• Mid America Unlimited Class – 1^st – 12^th Place

• Mid America Eliminator Class - 1^st – 12^th Place

• Mid America Street Pro Class – 1^st – 12^th Place

• Mid America Basic Class – 1^st – 12^th Place

• Mid America Street Stock Class – 1^st – 12^th Place

• Mid America Fat Wheel Unlimited Class – 1^st – 12^th Place

Track Specifications

• Aluminum Best Track, 6 lanes, 42 foot long model.  Distance from starting pin to finish line is approximately 37’ 7”
  
• Custom Start System
  
• Champ Timer System
  
• Grand Prix Race Management Software

Pro Class Staging

All cars will be set on the track by the staff of Mid America Pinewood Derby. No handling or adjustments can be made once cars have been checked in.

• Custom staging instructions are allowed and must be shipped with car/cars or marked on car.
• Entrants that attend live can stage their own (or others that they have been given permission to stage) – once car has been placed on the track by the officials.
• If there is no staging instructions provided – the car will be staged straight down the track, square to the rails, with the front dominant wheel slightly off the rail

• Set up will continue on Thursday April 27^th, 2017 - beginning at 8am until 10pm…
• A 4 Lane Best Track  42’ will be Set up and available for testing Thursday April 27^th
• There will be NO tuning on the Race Day 6 Lane Track   
• Check In for Pro Cars will take place Thursday April 27^th,  2016 from 6pm – 10pm
• Pro-Division Class racing will take place on Friday – April 28^th @ 9am – Central Standard Time.
• Food will likely be provided by a Sponsor (Last year it was Pizza) for Lunch
• All Pro Entrants will be invited to attend Corporate Pinewood Derby Event – that will start  @ 5:30pm
• A Catered Dinner and Refreshments will be provided Friday Evening
• Cheer on the Corporate Pinewood Derby Cars and Special Big Rig Classes
• Socialize with Corporate Sponsors, Scout Executives, and other Pro Racers
• Early Pre-Check in for Mid America Scout, Kids & Adult cars begins at 6:30pm – 10pm
• Saturday – April 29^th Mid America Pinewood Derby Scout, Kid and Adult racing begins
• Doors will open at 8am  - Check in will start at 8am for Scout, Kid, & Adult racers
• Opening Ceremonies will take place at 10am
• LEGO Race Track, Hot Wheel Race Track and Pinewood Drag Races will open at 8am
• Scout Shop, National Automobile Safety Training at 8am
• Concessions will be available beginning at 8am throughout the entire day
• Racing  will begin on both tracks at 10:30am  - after opening ceremonies for Scouts, Kids & Adults

2017 Mid-America Pinewood Derby

Pro Division Rules – Street Pro Class

Mid America – Street Pro - This correlates to NPWDRL Street Pro and APR Stock

1) Car Specs

  A. Width- Not to exceed 2 3/4 inches

  B. Length- Not to exceed 7 inches

  C. Weight- Not to exceed 5.0 ounces (143 grams) on a scale accurate to 1/100 ounce

  D. Height- Not to exceed 3 inches

  E. Center Rail Clearance- Car must be built to clear the width of the track center rail. Center rail is 1 5/8” wide.

  F. Bottom Clearance- Car must be built to clear the height of the track center rail. Center rail on the track is 1/4" tall.

  G. Wheelbase –No wheelbase restrictions.

  H. The following modifications are prohibited:

     1. Having any part of the car go beyond the starting peg

     2. Starting or finish line devices

     3. Electronic or lighting devices

     4. Liquids, wet paint, sticky substances (other than lubrication), Glass or excessively fragile parts, loose objects, Magnets

     5. Wheel bearings

     6. Propellants (must be gravity powered), Axles and/or wheels attached to any device that mechanically or alters rotation and spin

     7. Sharp objects, sandpaper or abrasives on the bottom of car (We do not want any damage to the stop pads)

  B. 31.00mm maximum diameter

  C. Tread width of no less than 7.50mm (Wheel: tread width will be measured from the outside to the inside edge of the wheel)

  D. Wheels must be constructed of plastic, rubber, acrylic or polyurethane.

  E. May be sanded, polished, CnCed and/or lathed

  F. The tread surface must be flat and parallel to the wheel bore

  G. The following wheel modifications are prohibited:

            Grooving, H-cutting, V-cutting, Angling, Canting, Round Crowning, Tapering, Dishing of the tread surface.

3) Axles

  A. Minimum axle diameter is 0.084 inch

  B. Nail, pin, or solid rod type axles are allowed with an overall diameter of no less than 0.084 inches

  C. Grooves and modifications of the axles are allowed

            Journal portion of the axles (the part the wheel rides on) is no less than 0.084” diameter

4) Lubricants

  A. Approved lubricants include (but are not limited to) graphite, Teflon, nyoil, and krytox.

  B. Over application of lubricant which results in excessive shedding onto the track surface is not allowed.

  A. Failure to meet race requirements and/or rules

 If a proxy car does not meet the rules at check-in, an effort will be made to contact the builder and determine what can be done to make the car legal.

  B. If any part of the car interferes with another car

   C. If any part of the car comes off during the race

  D. If the car leaves its lane and interferes with another car

  E. If the car is causing damage to the track or stop section

These rules are written to include all cars built to the following national league rules:

Pro Division Rules – Eliminator Class

Mid America - Eliminator Class - This correlates to NPWDRL Eliminator and APR Modified

1) Car Specs

   A. Width- Not to exceed 2 3/4 inches

   B. Length- Not to exceed 7 inches

   C. Weight- Not to exceed 5.0 ounces (143 grams) on a scale accurate to 1/100 ounce

   D. Height- Not to exceed 3 inches

   E. Center Rail Clearance- Car must be built to clear the width of the track center rail. Center rail is 1 5/8” wide.

   F. Bottom Clearance- Car must be built to clear the height of the track center rail. Center rail on the track is 1/4" tall.

   G. Wheelbase –No wheelbase restrictions.

   H. The following modifications are prohibited:

     1. Having any part of the car go beyond the starting peg

     2. Starting or finish line devices

     3. Electronic or lighting devices

     4. Liquids, wet paint, sticky substances (other than lubrication), Glass or excessively fragile parts, loose objects, Magnets

     5. Wheel bearings

     6. Propellants (must be gravity powered), Axles and/or wheels attached to any device that mechanically or alters rotation and spin

     7. Sharp objects, sandpaper or abrasives on the bottom of car (We do not want any damage to the stop pads)

2) Wheels

   A. Razor Open Plastic Type

   B. 31.00mm maximum diameter

   C. Wheels must be constructed of plastic, rubber, or polyurethane.

3) Axles

     A. Minimum axle diameter is 0.084 inch

     B. Nail, pin, or solid rod type axles are allowed with an overall diameter of no less than 0.084 inches

     C. Grooves and modifications of the axles are allowed

     D. Journal portion of the axles (the part the wheel rides on) is no less than 0.084” diameter

4) Lubricants

    A. Approved lubricants include (but are not limited to) graphite, Teflon, nyoil, and krytox.

   B. Over application of lubricant which results in excessive shedding onto the track not allowed.

5) Reasons for disqualification

   A. Failure to meet race requirements and/or rules

If a proxy car does not meet the rules at check-in, an effort will be made to contact the builder and determine what can be done to make the car legal..

   B. If any part of the car interferes with another car

   C. If any part of the car comes off during the race

   D. If the car leaves its lane and interferes with another car

   E. If the car is causing damage to the track or stop section

 Notes on Rules:

These rules are written to include all cars built to the following national league rules:

•  The rules were nearly the same to start with, but the longer phrases from each league’s rules were combined to form one united set of rules.  No league is expected to have an advantage or disadvantage, if you feel one is created please contact the Pro Division Race Director

Pro Division Rules – Unlimited Class

Mid America – Unlimited Class -This correlates to NPWDRL Unlimited and APR Super Pro Modified

  H. The following modifications are prohibited:

        1. Having any part of the car go beyond the starting peg

        2. Starting or finish line devices

        3. Electronic or lighting devices

        4. No Liquids, wet paint, sticky substances, glass or excessively fragile parts, loose objects on car or magnets

        5. Propellants (car must be gravity powered)

2) Wheels

         A. Any

        B. 31.00mm maximum diameter

3) Axles

        A. Any – bearings are allowed

4) Lubricants

        A. Any

        A. Failure to meet race requirements and/or rules

If a proxy car does not meet the rules at check-in, an effort will be made to contact the builder and determine what can be done to make the car legal.

        B. If any part of the car interferes with another car

        C. If any part of the car comes off during the race

        D. If the car leaves its lane and interferes with another car

        E. If the car is causing damage to the track or stop section

Notes on Rules:

These rules are written to include all cars built to the following national league rules:

•  The rules were nearly the same to start with, but the longer phrases from each league’s rules were combined to form one united set of rules.  No league is expected to have an advantage or disadvantage, if you feel one is created please contact the Pro Division Race Director.

2017 Mid-America Pinewood Derby

Pro Division Rules – Basics Class

Mid America – Basics Class -This correlates to NPWDRL BASX and APR Basico

1) Car Specs

    A. Width- Not to exceed 2 3/4 inches

     B. Length- Not to exceed 7 inches

    C. Weight- Not to exceed 5.0 ounces (143 grams) on a scale accurate to 1/100 ounce

    D. Height- Not to exceed 3 inches

    E. Center Rail Clearance- Car must be built to clear the width of the track center rail. Center rail is 1 5/8” wide.

    F. Bottom Clearance- Car must be built to clear the height of the track center rail. Center rail on the track is 1/4" tall.

    G. Wheelbase –Any

    H. Additionally

      1.  Car must have 4 Axles & Wheels they must be installed to the side of the car body directly across from one another.

      2, No more than a 10 degree angle on any wheel

      3. Car must be constructed out of wood.

      4. No Fenders, Aerodynamic Modifications, Weights or Decorations mounted in any manner that alters aero

      5. No wheel covers (inside or out)

   I. The following modifications are prohibited:

     1. Having any part of the car go beyond the starting peg

     2. Starting or finish line devices

     3. Electronic or lighting devices

     4. Liquids, wet paint, sticky substances (other than lubrication), Glass or excessively fragile parts, loose objects, Magnets

     5. Wheel bearings and / or bushings

     6. Propellants (must be gravity powered), Axles and/or wheels attached to any device that mechanically or alters rotation and spin

     7. Sharp objects, sandpaper or abrasives on the bottom of car (We do not want any damage to the stop pads)

2) Wheels

      A. BSA Only

      B. May be CnCed, Lathed, Polished and/or sanded to true the edge of tread surface and circumference

     C. The tread surface must remain flat, and parallel to the bore

     D. No Angling, Rehaping, Canting, Round Crowing, Tapering, H-ing, V-ing, Dishing the outside of the wheels tread

     E. All Markings must remain intact – visible on the inside and outside of the wheel

     F. Wheels must not weigh any less than 2.4g – no removing of material and adding material back to fit wheel weight

     G. 7.50mm is the minimum wheel tread width – Wheel outer diameter no less than 1.165mm

     H. Wheels may likely be checked after the race to verify that they meet specifications

3) Axles

        A. Nail Type with head axles are required - Minimum diameter of no less than 0.084 inches

        A. Approved lubricants include (but are not limited to) graphite, Teflon, nyoil, and krytox.

        B. Over application of lubricant which results in excessive shedding onto the track not allowed.

5) Reasons for disqualification

        A. Failure to meet race requirements and/or rules

If a proxy car does not meet the rules at check-in, an effort will be made to contact the builder and determine what can be done to make the car legal..

        B. If any part of the car interferes with another car

        C. If any part of the car comes off during the race

        D. If the car leaves its lane and interferes with another car

        E. If the car is causing damage to the track or stop section

Notes on Rules:

These rules are written to include all cars built to the following national league rules:

•  The rules were nearly the same to start with, but the longer phrases from each league’s rules were combined to form one united set of rules.  No league is expected to have an advantage or disadvantage, if you feel one is created please contact the Pro Division Race Director

2017 Mid-America Pinewood Derby

Pro Division Rules – Fat Wheel Unlimited

Mid America – Fat Wheel Unlimited -This correlates to NPWDRL = Fat Wheel Unlimited

1) Car Specs

   A. Width- Not to exceed 2 3/4 inches

    B. Length- Not to exceed 7 inches

    C. Weight- Not to exceed 5.0 ounces (143 grams) on a scale accurate to 1/100 ounce

    D. Height- Not to exceed 3 inches

    E. Center Rail Clearance- Car must be built to clear the width of the track center rail. Center rail is 1 5/8” wide.

    F. Bottom Clearance- Car must be built to clear the height of the track center rail. Center rail on the track is 1/4" tall.

    G. Wheelbase –Any

    H. Additionally

        1. Wood must be used to construct body and / or frame

        2. 4 Axles & Wheels must be installed directly across from one another on the side of the car

        3. Wheels to be no more than a 10 degree angle.

        4. No Fenders, Aerodynamic Modifications

        5. Washers or body side plates are allowed as long as they are no larger than the size of the center hub diameter.

        6. Nothing can be installed on the top or bottom of  the car that would cover wheel openings  

   I. The following modifications are prohibited:

     1. Having any part of the car go beyond the starting peg

     2. Starting or finish line devices

     3. Electronic or lighting devices

     4. Liquids, wet paint, sticky substances (other than lubrication), Glass or excessively fragile parts, loose objects, Magnets

     5. Propellants (must be gravity powered), Axles and/or wheels attached to any device that mechanically or alters rotation and spin

     6. Sharp objects, sandpaper or abrasives on the bottom of car (We do not want any damage to the stop pads)

2) Wheels

      A. BSA Only

      B. May be CnCed, Lathed, Polished and/or sanded to true the edge of tread surface and circumference

     C. All lettering must remain intact and visible on the inside and outside of the wheel.

     D. No Wheel covers may be used

     E. 7.5mm is the minimum wheel tread width

    F. Wheels must weigh at least 1.5 grams – wheels may be removed after the race to verify

    G. Bearings are allowed

3) Axles

        A. Any

 4) Lubricants

        A. Any

5) Reasons for disqualification

        A. Failure to meet race requirements and/or rules

If a proxy car does not meet the rules at check-in, an effort will be made to contact the builder and determine what can be done to make the car legal..

        B. If any part of the car interferes with another car

        C. If any part of the car comes off during the race

        D. If the car leaves its lane and interferes with another car

        E. If the car is causing damage to the track or stop section

 Notes on Rules: