Compact to Compact Standard

Has anyone changed from a 50-34 to a 52-36 chainset? How do you find it?
Im riding a 12-27 cassette and on my usual rides never need 34-27 but quite often feel like I could be going faster and having a 52 big ring might give me a bit more speed....is my theory right?
Im riding a 12-27 cassette and on my usual rides never need 34-27 but quite often feel like I could be going faster and having a 52 big ring might give me a bit more speed....is my theory right?
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http://www.machars.net/bikecalc.htm
I live near you and there aren't many decent hills about. If you want to cross the A1 and head for Barton there are some hills there that you might need 34-27 for
At 90rpm the difference is 1.3 mph (all according to http://www.machars.net/bikecalc.htm which may or may not be right.
There's a bigger difference by pedalling a bit faster I'm afraid.
I'm not necessarily saying it's a bad idea to change, but there's no free speed to be had unless you're topping out on the 50x12.
[edit] spooky - was just typing this when stuey's addition came up...
Yes not many decent hills about our way.....just as well really as they arent my strong point!