Originally Posted by Aeroplayin
I still have to include the 78 in there too with the right setup because it presents so well in the air. It's an electric gem! Sure, it's 2 batteries, but with the Hacker A60-16M and a 22 inch prop, the power-to-weight is comparable to the 60 EXP's on 480-500Kv on 6S with a 16x8. This is also doable on the 70 with 8S and a 20 inch prop, but it would mean a motor that can handle the precession and 90A at the same time. I still don't know the perfect way to get 2650W with a 20 inch prop on 8S. The new DM4330-282 with a 20x10 may be the one.
The 4330 is a good motor for the 70"... I am getting 2700 watts with my 12s and a 19x8 prop. Ken said I was good to 3000 watts in my climate so I have a 20x8 on the way. Will be testing soon. I did have ken wind my motor to 216kv. There is a 298 wind that should spin a 20x8 to around 2700 watts on 8s. One downside to a 8s setup is your buying 4s batteries in the 4000mAh range strictly for this plane... That is unless your running a 4s 60" exp or something else that uses the packs. I'm a fan of sharing packs and 12s worked well for me since I am running 6s 2500-3300 mAh in helis and the 60exp which all work well in my 70"er.