Postal

2015 International Indoor postal contest For A-6, 1/2A & Ministick

Welcome to the 2015 International Postal Indoor contest. The Willamette Modelers Club will be hosting this Competition for A-6, 1/2A and Ministick.

Beginning on January 1st, 2015 individuals may fly as many times has they like, in as many competitions as they can until June 30. However only their highest score will count towards winning in their respective events. All scores will be mailed to the address below. There will not be a web site and there will be no age groups, the events will be JSO combined. Score will be published in the Willamette Modelers news letter. All final scores will be mailed to all entrants that participate. Trophies will be awarded in both the A-6 and Ministick events.

All scores will be recorded on official score sheets provided. Results can be checked here and on the Willamette Modelers Club web site, willamettemodelersclub.weebly.com.

Send your score sheets to:
George Gilbert, rlg-gsg@comcast.net
1511 38th Ave. SE
Albany, OR
97322 USA

A-6

1. The Competition is open to indoor models that comply with the A-6 rules as follows:
2. All contest flights to be timed by someone other than the flyer.
3. Best single flight time wins, after the flight time has been corrected for the 70 ft factor. Ceiling height will be determined by the AMA/FAI measurement method. Flight times will be normalized against times from the highest site entered according to the following formula:
The normalized flight time = 2/3 (Highest ceiling height) minus (local ceiling height) plus (local flight time).
Highest ceiling height will be established as 70 feet until an entry from a higher site is received.

Example of an adjusted flight time:
Highest ceiling entered = 70 feet
Local ceiling height = 22 feet
Local flight time = 129 seconds
2/3 (70-22) + 97 = 129.0

Please note that the official normalized times may not be available until the competition is completed.

A-6 Rules

1. 30 Square inches (193.55 Square cm) in maximum wing area.

2. All strip wood construction is to be a minimum of 1/16 inch x 1/16 inch or 1.5 x 1.5 mm where only metric sizes are available. The wood strips may not be sanded to any shape other than square.

3. All sheet wood construction, prop blades wing and tail ribs are to be a minimum of 1/32 inch thick. Prop blade edges cannot be rounded.

4. 6 inch (152.4 mm) maximum diameter prop. 1/32 inch maximum prop shaft diameter. Blades are to be flat balsa or unlightened plastic, no foam. 1/32 inch (.8 mm) in thickness.

5. 6 inch maximum motor stick length as measured from prop thrust bearing to the rear hook. Tail boom length unlimited.

6. All wing and tail ribs shall be made 1/32 inch x 1/16 inch in minimum cross section.

7. Covering materials are limited to: Jap tissue, condenser or Gampi paper.

8. Only wood, wire adhesives and allowed covering materials can be used for construction with the exception of prop shaft support and bearing which can be wire, aluminum or plastic. No special indoor material may be used.

9. Power will be from twisted rubber only.

10. The fully assembled model (without rubber motor) shall have a minimum weight of 1.2 grams.

11. The use of metric sizes of wood and materials is restricted to those that normally cannot get other sizes of materials.

Ministick

1. This competition is open to indoor models that comply with the AMA Ministick Rules.
2. All contest flights to be timed by someone other than the flyer.
3. Best single flight time wins after the flight time has been corrected for different ceiling heights. Ceiling height to be measured as per FAI rules, but with a five meter circle. The correction factor is 627 divided by, (167 plus 46 times the square root of the ceiling height in feet) The flight time in seconds will be multiplied by this number to give the corrected time. Ministick Rules

Mini-Stick Rules

24.1. The intent of this proposal is to make Mini-Stick an official event to allow including the event in AMA contests, to increase participation, and to allow records to be more easily kept.

24.2. The Mini-Stick model shall be a monoplane covered with any commercially available material sold in sheet form. Microfilm is not allowed.

24.3. The maximum projected wingspan shall be seven (7) inches.

24.4. The maximum wing chord shall be two and one-half (21/2) inches.

24.5. The maximum length (from front of nose bearing to front of rear motor hook) shall be five (5) inches.

24.6. The maximum length from front of nose bearing to rear most part of model shall be ten (10) inches.

24.7. The projected area of the stabilizer shall not exceed 50% of the projected area of the wing.

24.8. The maximum diameter of the propeller shall be seven (7) inches. The propeller shall be constructed of wood. Wire shafts are permitted. Hubs that allow blade replacement and/or manual pitch adjustment are allowed. Mechanisms that cause variable pitch and/or variable diameter of propellers while in flight shall not be allowed. (Natural flexing and flaring of wooden blades is allowed.)

24.9. The minimum overall weight of the model (without motor) shall be 0.015 ounce.

24.10. Construction is to be primarily wood, with adhesives used only for joining. Tissue and/or thread is permitted for wrapping bearings, hooks, and for making sockets, if desired. Boron, carbon fiber, Kevlar, and fine wire bracing are not permitted.

24.11. Mechanisms that restrict the torque available to the propeller are not allowed.

1/2A

1. The Competition is open to indoor models that comply with the 1/2A rules.
2. All Competition flights to be timed by someone other than the flyer.
3. Ceiling height to be measured as per FAI rules, but with a five meter circle. The correction factor is 627 divided by, (167 plus 46 times the square root of the ceiling height in feet) The flight time in seconds will be multiplied by this number to give the corrected time. Highest ceiling height will be established as 70 feet until an entry from a higher site is received.

1/2A Rules

1. 15 Square inches (96.77 Square cm) in maximum wing area.

2. Stab area not to exceed 50% of wing area.

3. 5.5 inch (139.7 mm) maximum motor stick length as measured from the front of the prop thrust bearing to the front of the rear hook. Tail boom length unlimited. Motor stick maybe built up (tube) or strip stock and may be braced.

4. Prop shall be fixed pitch (flexing is allowed). Construction of prop may be built up or sheet wood.

5. Use of bracing is allowed.

6. Power will be from twisted rubber only.

7. The fully assembled model (without rubber motor) shall have a minimum weight of .283 grams, or .010 Ounces.

8. No variable pitch or variable diameter props allowed.