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Hangar Aircraft Category Date Preview
Skyediamonds1985Guillows Series 800 - Stearman PT-17Parked03-Jul-15 21:38
Views : 520
There you have it. The engine has lots of character and highlights one of the main focal points of a radial engined biplane.
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:35
Views : 373
As you can see, the copper exhaust really stands out, despite it supposedly being "hidden" behind the cylinders. The "bling" factor really plays out here. The intake manifold will also be added. The intake manifolds were painted black for added contrast.
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:32
Views : 397
Each cylinder was first set in its "mounting base" made from paper and beads and then the whole assembly epoxied onto the plastic crankcase
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:29
Views : 319
After each cylinder was epoxied in place, I cut a small section of slightly thick copper wiring and bent it to shape to simulate the exhaust. It was epoxied into place. The spark plug wiring was simply superglued. I purposely left the copper wiring in its natural state as sometimes exhaust pipes can take on various burnt hues of colors that closely resembles well, copper.
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:24
Views : 363
The plastic housing making up the nose of the fuselage and crankcase was painted in blue, silver for the exhaust collector ring, and gray for the crankcase. The cylinder was epoxied using the 5-minute brand. Again, why wait for 30 minutes while holding it in your hand for it to set?
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:21
Views : 303
I used a T pin to make a hole in between the "cooling fins" for the spark plug and wiring. Then carefully pre-bent it back around the cylinder to its approximate location prior to gluing onto the crankcase.
Hangar Aircraft Category Date Preview
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:17
Views : 291
What can I say?
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:16
Views : 254
For the mounting base of each cylinder, i simply cut circular rings from paper (I figured it was far easier than cutting plastic with an X-Acto knife) and used small beads to simulate the mounting lugs. If you look carefully, you can easily see that I used a small diameter copper tubing with the same sized beads for simulating spark plugs. I left the beads in their natural bright metallic finish for that added "bling" factor.
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:09
Views : 258
Just a dash of flat black spray but not too much. Want to allow that silver from the rings to show through for that metallic look. It was at this point I fabricated extra cooling fins for the exhaust side by cutting small sections of extra rings over a small piece of balsa. Then painted a flat gray as seen on the real engine. Besides, it kind of highlights the added detailing anyway.
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 21:04
Views : 304
Ahem...again. Note the cylinder is starting to take shape. It only took a dash of Spackling compound on top of each end to simulate the valve covers. Again, a quick build without the added hassles of vacuum forming (of which I don't have anyway). I simply cut some extra rings in half and glued them in between the "V."
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 20:56
Views : 254
Cylinder is starting to take shape
Skyediamonds1985Guillows Series 800 - Stearman PT-17Build03-Jul-15 20:52
Views : 268
This photo is only for illustrated purposes as the elongated ring would have been slipped over the balsa support before gluing onto the top of the upper cylinder half.
Page (43 in total) :  <<   5   6   7   8   9  [ 10 ]  11   12   13   14   15   >>  [ < Prev ] [ Next > ]