สูตร2ตัวบนล่าง 2สูตร ถูก 2ตัวบนล่าง3งวดติด ลุยต่อ 16/5/62
This is the first in a series of articles written to familiarize people who are interested in building an airplane for personal use and recreational purposes. It provides insight to the beginner and points out the advantages and disadvantages of choosing a wood and fabric design.
from: http://ezinearticles.com/?Building-An-Airplane-With-Wood&id=937230
