Mig-7
Speed measurings , 5th November 2005.
Air temperature = 18 degrees Celsius, almost no wind.
engine Rossi .21 with pipe, non modified
prop APC 7X6
fuel castor/synthetic oil, 10% nitro
rpms 23.500
weight 1100 grams
wingspan 110 cm
airfoils – MH32 on the root and 10% symetric on the tips.
The GFK fuselage of Mig-3 and enlarged wings, designed for high speed.
This particual model was flown on several contests by Tomaz Starin. The engine was MVVS .15 . Tomaz put Rossi engine with the pipe just for this speed test. The test was successful since the model has touched its structural top-speed - we heard wing flutter when we recorded fly-by on the camera.
