Here's the particulars:
Mathews Switchback
26" draw/ 71 lb draw weight
Whisker Biscuit
only string accessories are super string leeches and D-loop

shooting Goldtip 5575's at 25.5"
fletched with 3 Blazer vanes
125 gr field tips
overall weight 370 gr/ 13.5% F.O.C.

shot 5 arrows twice each for a total of ten shots

Results:
Average velocity: 253.1 fps
High: 254.3 fps
Low: 251.3 fps
Spread: 2.98 fps

Based on the average velocity above K.E. would be 52.64 ft/lbs

I only post this because I enjoy hearing how fast bows are shooting in the real world and I'm sure some of you do as well...

Here's what mine did.
Switchback
28 one half inch draw
drop away rest
d loop on string only
Acc's Superlite 3-49/390
Fletched with 4 " dura-vanes
100 gr. field tips
Total weight 348.41


5 shots
272.1
272.1
271.5
272.3
272
High 272.3
Low 271.5
Spread 0.8
Don't know how to figure the KE
I only post this because I thought your post was cool.

MOTOWN, what draw weight are you shooting? ohh, and here's a link for ya...

http://home.att.net/~sajackson/ke.html

Hmm, very interesting results.
Motownhonkey, how many pounds draw are you pulling?

My switchback is shooting between 298 - 302fps depending which Chrono I use.

29"DL
68#DW
355grain arrow (Maxima 250)
No peep or nock set...Only thing on string isd-loop and tied nock for kissing my nose.

28.5" draw. 71 pounds. loop, tru peep. 370 grain arrow = 290 FPS.

And how short are your A/C/Cs? That's awfully light for a 3-49 with vanes and a 100 grain tip. Mine at 27.5-28" generally run in the 385 grain range w/ duras or arizonas.

Mowtown , I think you arrow weight is wrong , you should be at around 400 grains with a 29 inch 349 ,vanes ,and 100grain tips . The reason I responded is that is the arrow I shoot but with vanes, and Im at 375 grains .

He is shooting blazers which are quite light compared to most vanes. He could be shaving 10-15 grains easily with those vanes.

His post says Duravanes?....

Blazers weigh about 9 grains less for 3 compared to AAE/Duras, BTW