Im not personally familiar with your specific boat, but hopefully someone with a Spartan can chime in, but yes, you will likely need a prop with less...
Basic physics unfortunately. More weight = more current to move it, and unlike a gas model, the model doesnt get lighter as the batteries drain. The...
Damn that sucks I was excited someone actually replied to my thread. R/C boating sucks I have $500 worth of useless batteries and a boat that thinks...