If I were you... I'd call the University and tell them that you want a refund for you edumacation.

TO ANYONE JUST JOINING US......READ THE LINK!

Right Helical

Yes RH

Tried to copy article. Didn't work....

Straight - Offset - Helical? [align=center]




Another factor that determines the effectiveness of your fletching is the TURN of the fletch. If your fletching is arranged in a helical (spiral) pattern - like a boat propeller - your arrow will rotate in flight. Much like a football that's thrown with a perfect spiral, an arrow will fly straighter and be more stable if it rotates in-flight. Aerodynamically, a helical configuration is clearly a better choice. However, a helical fletch may not always be appropriate or necessary for your particular bow setup. For example, some arrow rests will not provide enough clearance to allow a helical fletch to pass thru without contact. In this case, many archers use an offset fletch, where the vanes are still straight, rather than in a spiral pattern, but they are slightly turned on the shaft to promote some rotation in-flight without compromising fletching clearance. For very unforgiving arrow rests with limited clearance, or for competition target setups that don't require much stabilization, the straight fletch may be the best option. Take a look at the diagrams below and the corresponding pro's and con's associated with each fletching configuration. When you order your arrows, you'll need to select one of these options. [align=center]




Straight Fletch
4º Right Offset Fletch
Right Helical Fletch

[align=center]
Does Not Rotate in Flight[/align]
[align=center]
Rotates Slightly in Flight[/align]
[align=center]
Rotates Dramatically in Flight[/align]

- Fastest Flying Vane Configuration
- Least Amount of Air Resistance
- Works with Any Arrow Rest
- Minimal Fletching Clearance Problems
- Provides More Stabilization for Broadheads
- Only Some Air Resistance in Flight
- Works with Most Arrow Rests
- Stable Flight to Moderate Distances
- Superior Stabilization for Broadheads
- Best Overall Arrow Flight at Long Distance
- Increased Overall Accuracy
- Arrow Corrects Attitude in Flight

- Less Stable at Long Distances
- Provides Less Stabilization for Broadheads
- Best Used in a Well-Tuned Bow
- May Cause Fletching Clearance Issues
- Some Loss of Arrow Velocity
(Most Popular Choice)
- Notable Loss of Arrow Velocity
- Fletching Clearance More Problematic[/align][/align]

Yes, RH

yes rh

Hey now. We can't all be good at everything like you are.

We who shoot traditional don't qestion it, bigcountry,because our arrows fly slow enough we can see them do it. But most of these guys with their rocket launcher compounds don't have a clue. I bet a lot of 'em have never seen an arrow fly from their bow because they close their eyes at release and the arrow is sticking in the target by the time they open them again.


Arrow speed, rate of spin and distance all affect how many revolutions your arrow will make on it's way to the target. Not to mention that the fletching won't even induce spin until the arrow is some distance from the bow. The faster the bow shoots, the further the arrowtravels before the fletching catches the wind and even begins to spin and stabilize it.

We'll play with Dubbya's numbers 300 fps, 1100 rpm. Your target is at 8 yards or 24 feet. At 300 fps, the arrow will strike the target in .08 second. 1100 rpm is 18.3 rounds per second. 18.3 X .08 = 1.46

So, the very most your arrow could spin in 24 ft is 1 1/2 revolutions,and it's not likely to startspinning at all in that short of a distance.