I'm new to the 'Wall and to archery .I'm wondering if it's possible to tune two arrows of different spines but of the same length,feathers etc.to be shot effectively from the same bow using various point weights only ?

Sure. I shoot 460gr and 560gr arrows tuned for same bow - same length, same 4" feathers.

It's possible Sort of depends on what their spine is and draw weight,type bow and afew other things

If you are just looking for a light weight target arrow and a heavy weight hunting arrow you can use the same spine arrows and get two different type arrows.

Is it possible? Absolutely.

You just need to load up the point weight on the stiffer one (higher static spine rating) until they yield the same dynamic spine coming off of your bow. That can leave you with arrows of the same or quite different overall weight, which (to Shooter's point) may be exactly what you want or the furthest thing from it.

What are you shooting for?

I have heads from 125 145 160 190 and 225 for exactly that purpose.

Sure is, do it all the time.

It's actually a good way to utilize arrows that may otherwise be too stiff or too limber. I had a 55# Jeffery takedown that I drew to 53# and I had a bunch of 2314's at the time that were near useless. I bought some 225 grain field tips and at 31" long those arrows flew just fine off that bow. I shot them pretty much all summer for stumps, etc. My normal arrow for that set up was a 2016 at 28" with 125 to 145 grain tips.

I can shoot many variable arrows using 145 point weight. When I have told bowyers they look bewilder. I say guess you made bow right.

5 grains of tip weight only changes the spine about 1.2 lbs. Sometimes it's possible....sometimes not,unless you like lawn dart trajectory!

Like any tuning dynamic, it varies with the setup. Best thing to do is try something, just like we had to do in the days before the internet and instant answers.

REB -

Sure, but it may do more harm than good.

Think about it. Same arrows for two different went bows: The "lighter" bow will need more head weight to soften the spine to tune. The "lighter" bow should also be inherently slower, and now you're making it even slower by adding more head weight. Woirks the other way too. Removing head weight to stiffen an arrow will make it faster. IOWs, you should be able to get the dynamic spines to work, but the trajectories will be pretty far off.

The question I'd ask, is how "tuned" do you need them to be? Unless you're at a pretty high competitive level, close is usually close enough.

Viper out.

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