Scale question
[:@] OK What scale is my plane ? I have been told four answers. Help out here. P 51 mustang, SK 130, 65 inch wing.. Thanks for your help
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RE: Scale question
about 1/6 give or take a decimal or 4
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RE: Scale question
Scale = Model dimensions / Full scale dimensions
Using wingspan: Scale = 65 inch / 37 feet = 65 inch / 444 inch = 1/6.8 = 1/7 approximately Copied from http://en.wikipedia.org/wiki/P-51_Mustang P-51D Mustang General characteristics • Crew: 1 • Length: 32 ft 3 in (9.83 m) • Wingspan: 37 ft 0 in (11.28 m) • Height: 13 ft 8 in (4.17 m) • Wing area: 235 ft² (21.83 m²) • Empty weight: 7,635 lb (3,465 kg) • Loaded weight: 9,200 lb (4,175 kg) • Max takeoff weight: 12,100 lb (5,490 kg) |
RE: Scale question
It's a good idea to do the scale formula using the fuselage length to consider against the scale value you get with the wing span. Most semi-scale models have their wing and tail areas modified to get better model performance. Sometimes the tail is lengthened a bit, but you'll find the wing almost always is changed.
If you're looking for the right size scale pilot, it's even more important to consider the fuselage more than the wing. |
RE: Scale question
:D Its nice knowing there are smart people out there. Thanks for the info
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RE: Scale question
You are welcome; just job related skills.
For using the fuselage dimensions, as suggested by da Rock, just use the same formula: Scale = (Fuselage lenght of model) inch / 32 feet 3 inch = (Fuselage lenght of model) inch / 387 inch It is interesting to note that if the dimensions of your model is about 7 times smaller than the legendary ponny, the scale weight should be 26.8 pounds! (9,200 pounds / (7x7x7)) Regards! |
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