Wall Tent - How Many Rafters?

[kazpilot25]

I just ordered a 16x20' Davis wall tent with 3 windows on each side. Roy Davis recommended I go with the 4 rafter setup since the weather in AZ isn't ever really going to require more, and it will make it so there are no poles in front of the windows. I'm just curious if it will be enough or if the roof will sag too much? Anybody have experience with 4 vs 5 rafters in a tent this big?

[oz31p]

I have 14x16. I opted for 5.

[AZbowhntr]

I can't imagine there would be much sag at all without a load of snow on top of it. Which isn't going to happen very often here in AZ.

[1denogean]

I have the same tent I have the 5 I love that thing

[MULEPACKHUNTER]

I went with 5 same tent,