Hornet1

I am presently building a 33% Hostetler Cessna 150 that has a wing span of 120" (10'). The real Cessna 150 has a wing span of 33' (396"). I want to reproduce the gas caps as well as the round access hatches located under the wings and near the tail on the fuselage. I bought a plastic Cessna kit that has a scale of 1/48. The wing span on this Cessna is 8 1/4". Now if the gas caps on this plastic model are shown as 1/8", what size would they be on my 33% Cessna? The access hatches on the plastic model are 3/16", again what size would they be on the 33% Cessna?

Any help would be greatly appreciated.

Thank you.

Lightfoot

My Feedback: (1)

The gas cap would be 2" and the hatch 3".

Hornet1

How did you calculate this? What is the equation?

Lightfoot

My Feedback: (1)

Take the measurement from the model and multiply by 48 to get the full scale size. Then multiply by 33% (.33) to get the size at the scale you want.

.125 * 48 = 6" full scale
6 * .33 = 1.98" @ 33%

15thAF

Nothing wrong with your calculation, but the 1/48 model isn't accurate. The gas caps on a full-scale 150/152 are closer to 3" than 6". The 3/16" access panels would be 9". From memory, I think 6" is more likely. Best bet is to go to your local general aviation airport with a tape measure. You may not find a 150, but 152's are ubiquitous. The caps and panels should be the same on both.