Insane Video

Hee hee, makes me tingle. What a beast!

But MY COX TD010 will be doing that some day and maybe 1 of my TD020 will too without being totally but moreso on the matter, not to be a jerk but my $50 engines are comparable enough AND COX AND 1/2A so thats what I`d rather be bragging about that what he has but as long as its a moddeler having a good time its all and im not picking,ragging or bragging but just +$.02 and more power to the COX powerd......... I hope I got either a or or at least for opening my big and keeping tie post running so others can see and enjoy

RknRusty wrote:I love watching those. One of my favorites is the guy that primes his Cyclon spinning it with the starter, swings the prop up to the beginning of compression and flips the switch on the glow driver, and zing, it's turning those scary RPMs.

https://www.youtube.com/watch?v=mMdZb3qbv3k

Sure you love it 'cause he uses a Cox glow clip,

Really amazing with a FAI fuel (80 % methanol, 20 % castor oil),

Motra wrote:This thing's running at 30,400 RPM on the ground. What kind of RPM is it hitting when it's in a dive? Good grief!

https://www.youtube.com/watch?v=oF8lUPNnwng

Impressive but what on earth is that strange
Language they're speaking?
It sounds almost like English.

You probably say that about us Yanks too

navion34 wrote:Sure you love it 'cause he uses a Cox glow clip...

Haha, yeah that's it.

Those two laps right at the end of the tank. On the backside down wind that motor frees up and comes alive. Wonder how warm the leading edges get with that thick english air. Probably a few ticks faster on a "thinner" day.

Does anyone know what kind of RPM these engines hit when flying and there's no load on the engine? I just can't believe the high RPM they run at. I'm used to engines that run at 3600 RPM, not 36,000. Even at 30,000 that's 500 revolutions per second - or 1000 piston strokes in the blink of an eye. That's moving! And some people view these engines as toys.

Motra wrote:Does anyone know what kind of RPM these engines hit when flying and there's no load on the engine? I just can't believe the high RPM they run at. I'm used to engines that run at 3600 RPM, not 36,000. Even at 30,000 that's 500 revolutions per second - or 1000 piston strokes in the blink of an eye. That's moving! And some people view these engines as toys.

I don't know what the rev with an un lead engine. Remember that a F3D engine is definitively not a toy. "That looks about right" is gone, all is perfect. And between two flights these engine are often dismantled (almost the head) to check the tuning setup... It's not a toy.... In an F3D event you have 60 second before the race, for starting your engine (most pilot start 30 second before the start flag) and a race is about 65 second long.




sorry for my bad english...