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Technical Notices

Technical notices are displayed in red text in the construction galleries.

1/17/2010 - If you plan to install the full cockpit it will be necessary to move the servo tray aft to make room for it. As such part F3 can be used as a spacer when constructing the fuselage box but DO NOT glue it permanently into place. The necessary parts to move the tray aft will be included with the cockpit kit and the entire process will be covered on the fuselage construction page when it is complete.

3/16/2010 - A tech notice regarding the installation of doublers to ribs W4 and W5 was added to the gallery for the main wing center section.

3/31/2011 - An error was discovered in the isometric drawing of the servo tray on Sheet 1 of the plans. The two F3a braces should be glued to the bottom of the tray rather than the top as shown. In other words, the two F3a parts should be on the same side of F3 as the two F16 parts. The plans have been corrected but if you're kit was purchased prior to 3/31/2011 then your drawing is incorrect. The corrected drawing can be seen here.

4/18/2011 - After completing my own prototype, and in speaking with several other builders, it was determined that substituting medium weight 1/16" balsa for the 3/32" called out would be more than adequate for the Hellcat's wing and fuselage sheeting with the exception of those areas of the fuselage that are planked. Light 3/32" is recommended for the planked areas to allow for the necessary sanding. Either will work but the 1/16" will result in some weight savings and is recommended unless you have a ready source for light weight 3/32" balsa.

1/30/2012 - Having now completed my second fuselage, this time using 1/16" sheeting, I would like to share my findings. The 1/16" is certainly more than adequate strength wise for the task. I used 1/16" inch everywhere with the exception of the area forward of the cockpit which was planked with 3/32" as shown in the construction gallery. The bottom rear fuselage was sheeted with 1/16" which worked well but the thinner material does sag just slightly between the formers resulting in a slight "starved horse" look. It is minimal and well within acceptable limits for my standards but for those who wish to avoid it completely a return to 3/32" sheeting is recommended.

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