ORIGINAL: robotronski
Well, they say a picture is worth 1000 words...
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Ok... its speaks ! Thanks for posting the photo.
Here is what I see in the photo:
That is an OS 40VF or 45VF engine - nitro pipe (kinda fat, maybe marine setup) looks like it is set around 9-10"
Prop appears to be a standard blade RevUp 9" - appears stock - likely a 9x6 or 9x7.
If this was set up right, and perhaps with some nitro, the engine would be turning around 17,000 - perhaps a bit more in the air.
Those wire stubs might actually create more drag than the standard 450 landing gear. Round wire is a bad thing.
Anyway...... all things considered, this may be a 140mph aircraft. Maybe 160mph from a steep dive on a good day.
The important thing here Robotronski, is that you appear interested in quick model aircraft. And the good news here is that if you enjoyed watching this particular aircraft really move out.... building a sport-speed aircraft today, capable of that same performance, is relatively easy (this is what Jaka was getting at in a general fashion).