Chrono'd the Switchback today...

[zac76156]

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...

[MOTOWNHONKEY]

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.

[zac76156]

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

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

[DaveC]

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

[Browning_1]

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.

[JeffB]

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

[JeffB]

ORIGINAL: DaveC
Motownhonkey, how many pounds draw are you pulling?

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.

[ijimmy]

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 .

[TerryM]

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.

[JeffB]

ORIGINAL: TerryM
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