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Scale Workshop Secrets

This Henry Haffke settlement was built as partial of a group bid with Henry and myself operative together to finish this considerable idol of National Air Racing fame. Here are some-more of a finishing techniques we used to fact a Ike.

Scale Exterior Panels

One of a sum that’s a genuine partial of a Howard Ike (or any other Classic Air Racer from a 20s and 30s,) is a steel panels used to finish a fuselage with. Much of a airplanes were lonesome with fabric, though around a engine and a cockpit, simple sheets of steel were used. Here’s how we replicated this apparent fact on my 1/3-scale model.


After covering all of a areas with fabric, (I used 21st Century embellished Coverite,) we use spare card to work out a distance and shapes of a several panels indispensable to transition from a fabric lonesome surfaces to a fiberglass lonesome and finished engine cover section. This territory is all lonesome with balsa square and dual layers of .75-oz. fiberglass cloth and Pacer Z-Poxy finishing resin.

Once we had all a card templates made, we scanned them into my CAD module so we could pull them accurately. These were afterwards used to laser cut all a panels from 0.015-inch fiberglass G-10 sheets accessible from FTE ( You can usually use these panels for prosaic areas. Panels that have devalue curves won’t work, though this is OK. Most of a early aircraft used prosaic territory panels and kept winding and shaped tools to a minimum.


Here a creatively laser-cut panels are being propitious into place. To make it easy to screw them into place we also drew in a screw holes for a laser to cut out.


This close-up shows a overlie of a panels with a fabric covering and a unclothed balsa surfaces. Also not a fueler tip is in a scale gas tip position.




Start in a core of a panels and supplement a screws (in any other hole,) operative external to a edges. This helps forestall a row from buckling adult divided from a balsa surface.


The G-10 fiberglass square element also creates good templates. we used it to beam where we was going to supplement a lifted louvers on a glassed aspect of a engine cowl. Justy slip a hobby blade into a container and all a louvers will be equally spaced!


And articulate about lifted louvers, here some of a aluminum louvers are being added! Let’s demeanour during a technique some-more closely

Scale Louvers and Exterior Surface Detail

Ok, with a well-spoken scale extraneous panels in place, here’s a spare for creation those evil lifted louvers that are so most a partial of any scale indication of a Howard “Ike” Racer. Being finished in 1/3-scale and regulating laser-cut panels and templates creates this charge a lot easier.


Like we pronounced before, all a panels and templates are finished from G-10 fiberglass square element accessible from FTE ( we used 0.015-inch sheeting and it is really easy to hook into place. we finished settlement templates from spare card to rise a distance and figure of a panels and afterwards we scanned a patterns into CAD. we redrew a panels so we could laser-cut them to size. we also laid out all a screw holes and a pointed slots for a lifted louvers so all would be uniformly spaced and straight.

In this print we am slicing by a slots into a engine cover territory with a hobby blade so a louvers can be pulpy into place.


Here, all a aluminum louvers have been extrinsic into a louver slots. Each of a louvers is finished from 0.020-inch thick aluminum flashing element cut into ¼-inch far-reaching strips. Using a template, a ends of any louver is focussed about 90 degrees and is extrinsic into a slot. The abaft corner is lifted about 1/8-inch and a front is pulpy down opposite a panel. Thin CA glue is used to secure any louver into place. The outdoor bends in a louver strips is focussed to compare a angle of a slots cut into a fuselage row section.


To implement louvers in a fuselage / engine cover section, we taped a template into place and afterwards cut a louver slots with a hobby blade regulating a template as a guide.


Here with a template private we can see all a uniformly spaced louver slots cut into a fiberglass finished balsa aspect that creates adult a engine cover side panel.


Here are all a side louvers commissioned and glued into place.


The full-size Ike had a dual square cover arrangement with a prolonged piano hinge using along a core tip of a cowl. we replicated this fact with a square of cosmetic lonesome wire. we cut rings around a handle in uniformly spaced sections to demeanour like a barrels of a hinge run.


Next, to form a hinge root edges, we practical ¼-inch far-reaching strips of aluminum heating fasten on possibly side of a wire. Using a length of sharpenedmusic wire, we subsequent pierced uniformly spaced holes into any tape. This creates a neater hole that a tiny hole turn drill.


The final hold is to screw into place a tiny screws. The detailing is now prepared to paint.



Mask off a indication along a edges of a panels to cover adult a fabric lonesome sections. we use double layered journal and painter’s fasten for this.



Now with a indication masked off, request dual light obscurity coats of FeatherCoat Primer from FM Enterprises, (, and afterwards after watchful 30 minutes, request a cloak of PolySpray china undercoat, afterwards 3 or 4 light obscurity coats of Poly Tone White! All my Poly Tone paint reserve is from FM Enterprises and practical with a HLVP (High volume low pressure) mist gun.




The finishing touches for any scale model, are a decals and aircraft markings. Here a lettering was constructed to compare my support by

Note: a scale empty stacks are nothing functional. Only lengths of aluminum tubes extrinsic into a side of a cover and embellished black.


Callie Graphics: (505) 281-9310;

FM Enterprises:

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