Boyesen Rad VS. Vforce 4

[Deets]

2 hours ago, Keno said:

Basically, Vforce wins due to increased petal tip area.

Old chart from Planet Sand.

 

 

 

 

I don’t see the rad valve anywhere on that dyno. 
 

Also, for how long does vforce produce that same power? Seems their reeds wear faster.