RCU Forums - View Single Post - NovaRossi production 61 Speed 13 numbers
Old 09-06-2015 | 09:26 AM
  #13  
Pylonracr's Avatar
Pylonracr
 
Joined: Apr 2011
Posts: 918
Likes: 0
Received 5 Likes on 5 Posts
From: Reno, NV
Default

Jim,
Pretty simple. I use the Perry VP-30 regulating pump. Plumbing is easy, tap the backplate for reference pressure. This goes to the end of the pump with the supplied tubing. Pump inlet is from the tank clunk, outlet to the carb. Do not use pressure, just vent the tank to atmosphere.

The pump tuning is a little sensitive. A little too much pressure and it will not transition because it is too rich in the middle, a little too low and it will lean out upstairs. Some patience on the test stand and you will get it. I only pumped mine because I have the 10mm carb and the tank is too low with the engine mounted upright. I built this plane around the engine and don't have the room to side mount it. If I build another plane for it I will side mount it and will probably not need the pump. The fuel draw is not great with the 10mm carb, but with proper tank placement they will fly.

Scott