Bostonhawk (oz16418)
About this Plan
Bostonhawk. Free flight Bostonian model, for rubber power. Wingspan 16 in.
Direct submission to Outerzone.
Quote: "BOSTON HAWK
A BOSTONIAN PLAN FOR 16” SPAN
DRAWN 13 MAY 2024
Bostonian models have specific Flying Aces Club rules.
Bostonian Model Rules:
Here's a PDF of the AMA Bostonian rules for indoor Free Flight (always capitalized) model airplanes: http://aero-modeller.com/files/2013/02/Bostonian-General-Rules.pdf
Here's the first five rules on the list:
1)Maximum projected wingspan shall not exceed 16 inches (40.64 centimetres).
2) Maximum wing chord (measured parallel to hedirection of flight) shall not exceed three (3) inches (7.62 centimetres).
3) The diameter of the propeller(s) shall not exceed six (6) inches (15.24 centimetres).
4) The length of the model excluding the propeller(s), but including the thrust bearing(s), shall not exceed 14 inches (35.56 centimetres). This measurement will be made in the direction of flight and, will include surfaces, which extend beyond the thrust bearing or fuselage end because of a sweep or unusual mounting.
5) The fuselage structure must include a box, which has minimum dimensions of 1.5 inches x 2.5 inches x 3.0 inches (3.81 centimetres x 6.35 centimetres x 7.62 centimetres). The width (the horizontal dimension perpendicular to the line of flight) of the fuselage shall not exceed three inches (7.62 centimetres). The box must be enclosed within the fuselage structure and must be covered so as to restrict free air movement through the box. Normal sag of the framework between supports caused by the tension of the covering will not be considered as a violation of this rule...
WING CONSTRUCTION:
Similar to the Dime Scale construction using 1/16” sq and sheet balsa, sheet ribs with 1/16” sq spars above and below the ribs.
FUSELAGE CONSTRUCTION:
Box construction using 1/16” sq balsa and sheet balsa. This little plane has caaracture/cartoon looks and they can be made to fly very nicely.
EMPENNAGE CONSTRUCTION:
All the horizontal and vertical surfaces are made of 1/16” sq and sheet balsa flat on the building board."
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ScaleType: This (oz16418) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.
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ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Curtiss_P-40_Warhawk
Wikipedia page addresses may well change over time.
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User comments
FAC has an Embryo event. AMA has Bostonian. So, the notation on the plan, and the comment in the description (FAC reference) are confusing.DA - 27/11/2025
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- Bostonhawk (oz16418)
- Plan File Filesize: 118KB Filename: Bostonhawk_16in_oz16418.pdf
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Notes
* Credit field
The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.
Scaling
This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.
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