Great video guys! Crazy power, it makes that yak look like its 12 lbs.
I can't wait to get mine on the edge.
I bet Cale was pumped to get to fly it, He sure can put it through its paces.
Thanks for all of your work on this Joe.

Great videos and nice flying. I hate to put the turd in the punch bowl but I would like to see one on stock exhaust. Those are the motors that were having the problems not the piped and canned ones. Is there any running on stock yet?

Thanks,

Originally Posted by Butcher

Great videos and nice flying. I hate to put the turd in the punch bowl but I would like to see one on stock exhaust. Those are the motors that were having the problems not the piped and canned ones. Is there any running on stock yet?

Thanks,

im pretty sure it had stock side dump mufflers on it when i flew it.

Originally Posted by cale10

im pretty sure it had stock side dump mufflers on it when i flew it.

Really, Hmm maybe I need to turn up my volume and watch the video again. lol
Sounded like cans to me.

Originally Posted by cale10

im pretty sure it had stock side dump mufflers on it when i flew it.

Yup just checked the video again and you are correct.

Definitely stock muffs.

Hoping the MTW 75K's won't restrict the new GP at all. Excited for the new version!!

This is the v2 ON (FACTORY MUFFLERS) Sorry I forgot to mention that..

Joe,
Once again, nice job. I sure hope Fergus is taking good care of you. You definitely put in lots of time on helping GP be successful.
Nice flights Cale!
Jerod

Cale,

It's amazing the talent you young kids have... Great flight!

Did either one on you two put your tongue on the flag pole while you were there? Crazy asses that looks damn cold! I can't believe that motor is that strong right out of the box!

Originally Posted by BuckeyeBigBird

Did either one on you two put your tongue on the flag pole while you were there? Crazy asses that looks damn cold! I can't believe that motor is that strong right out of the box!

no but it sure felt like there was a hole in my thumb!

After pulling the engine back apart and reading the plugs and the pictures left on the piston crowns by the ports, I personally am confident the problems are solved with version 2 123 and in the process more performance was gained. I have talked to Fergus and he had the same results..I will be posting more videos and rpm results if this weather ever gives us a break. I’m sure you will be running your own soon!!
Joe

Thanks for the report Joe. Looking forward to the V2 engine!

Cant wait Fergus! Nice job!

Jerod

Another video...

GP-123 Final Test (5 min 10 sec)

GP 123 V2 test fly (4 min 10 sec)

Can't wait for mine great job guys!!!