Prop for RV7..Need a new one?

[Cloudee]

Originally Posted by Squawk7700

Two mates of mine did simultaneous RV6 builds. One with CSU and the other fixed pitch timber.

There was barely a knot between them!

The CSU was slightly faster when wound right out.

What were the respective take off distances and climb performances? how much easier was it to slow down the CSU aircraft on approach? What were the fuel consumption figures at cruise speeds. How much is slightly faster when wound right out? Were these aircraft identical in all other respects?

There’s a lot to consider when choosing CSU or fixed pitch. I would not change the CSU prop on my 8, but fixed pitch may be more suitable for a lighter 9.

[machtuk]

Originally Posted by Cloudee

What were the respective take off distances and climb performances? how much easier was it to slow down the CSU aircraft on approach? What were the fuel consumption figures at cruise speeds. How much is slightly faster when wound right out? Were these aircraft identical in all other respects?

There’s a lot to consider when choosing CSU or fixed pitch. I would not change the CSU prop on my 8, but fixed pitch may be more suitable for a lighter 9.

well said -) there will always be those that hate it when CS drivers sail right past the FP guys, right from the get go -) If there was only one knot between them then CS manufacturers would go out of business...lolol