Originally Posted by freezingflyboy

The 135/145 will do it as long as you stay ahead of the curve. Get behind and you're gonna have to step climb it or maybe hold 500fpm for a while. I always have to laugh a little bit when I watch guys get a few knots fast in the climb and then get all ambitious with their climb rate just to bleed all that extra speed off and then some. Better to just keep those few knots for when you get into the upper 20's-mid 30's.

Now the XR, that is a different beast. She'll go right on up in pretty much any weight/temp condition without a lot of babying.