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Introduced at the 1998 National Model and Hobby Show, the new SIG SOMETHIN’ EXTRA® was a major hit with retailers and consumers alike! The SOMETHIN’ EXTRA® has it all; good looks, incredible performance, SIG quality balsa and ply construction and every part in the kit is laser-cut! This SIG kit can literally be built as fast as the modeler can apply CA glue and set it with accelerator.
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The SOMETHIN’ EXTRA® employs a unique removable wing feature, based on an ultra-light and ultra strong tube system. This allows for super-easy building, transport and storage.
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| The flying capabilities of this model are virtually unlimited due to its thick airfoil section and very light wing loading. Of course, everything required to build the kit is included, right down to the great looking landing gear and wheel pants. |
| Wingspan |
51.5 in |
1308 mm |
| Wing Area |
614 sq in |
39.6 dm² |
| Length |
48.25 in |
1225 mm |
| Flying Weight |
4.25 - 4.75 lbs |
1928 - 2155 g |
| Wing Loading |
15.9 - 17.8 oz./sq ft |
48.7 - 54.4 g/dm² |
| Radio Required |
4-Channel with 5 Servos (not included) |
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Engine Required
(not included)
Set Up Specifications
Accessories
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2-Stroke .40 - .46 cu. in. (6.5 - 7.5 cc)
4-Stroke .56 - .65 cu. in. (9.2 - 10.7 cc)
| Elevator |
Low Rate |
1 1/4 |
inch |
32 |
mm |
Up and Down |
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High Rate |
2 |
inch |
51 |
mm |
Up and Down |
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| Rudder |
Low Rate |
1 7/8 |
inch |
48 |
mm |
Right and Left |
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High Rate |
2 |
inch |
51 |
mm |
Right and Left |
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| Ailerons |
Low Rate |
1 |
inch |
25 |
mm |
Up and Down |
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High Rate |
2 1/4 |
inch |
57 |
mm |
Up and Down |
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| Center of Gravity |
3 1/2 |
inch |
89 |
mm |
From leading edge at root |
| Dihedral |
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0 |
degrees |
0 |
degrees |
Per panel |
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| Incidence |
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+ 0 degree wing, 0 degree stabilizer |
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| Engine Offset |
0 degree down, 0 degree right |
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English |
Metric |
Number Required |
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| Pilot |
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2 |
inch |
51 |
mm |
1 |
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| Main Wheels |
2 3/4 |
inch |
70 |
mm |
2 |
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| Tail Wheels |
1 |
inch |
25 |
mm |
1 |
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| Fuel Tank |
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8 |
ounce |
237 |
cc |
1 |
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| Spinner |
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2.25 |
inch |
57 |
mm |
1 |
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| Covering |
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3 rolls depending on trim scheme |
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