OK, does this look right?


Pa=Populartiy of Heli A
Pb=Populartiy of Heli B
No=Number of owners on forum
X = Number of posts


(What + Heli + Should + I + buy) X [(Pa + Pb)/No] = X

If Pa and Pb are realtivly close and the ratio of No is the same than posts can reach into the hundreds.