U Can Do 3D
Bob,
I have the Saito 100 mounted inverted on my UCD and it will flood after fueling, but I have not had any problems in the air with performance using CoolPower 30% helicopter fuel. It runs and idles great.
I am also using an APC 15x6. After the first few flights I added two washers under the left side of the engine mount. It helped mine.
The stock tank is fine for a Saito 100. I have been making 12 minute flights and have not ran dry yet.
Eric