Meriter

Gary, Nice to hear from you from down under, Roy Rose is an old friend of mine who has visited with me here in the states.

Setting up the bow for limb alignment as described laying on a flat surface and measuring the string at the limb tips to match the width of the riser works well. To set the arrow build out with the plunger when the bow is braced I suspend the bow between two high backed chairs and using two small levels placed on the limbs just above the riser, zero the bubble by shimming the limbs as they lay on the chair backs. Then I hang and arrow on the string with a snug fitting nock so that the arrow hangs down close to the plunger and adjust the plunger till it just touches the arrow. Then I align the sight to center the aperture with the arrow. You can use a second arrow that would hang close to the sight pin to be sure it aligns and this will give you pin - string alignment and arrow alignment at the plunger. I do recommend equal tiller for the limbs and use a string alignment that sets the string close to the sight pin when viewed with your peripheral view at full draw. Any tuning results will only be as good as your upper body alignment, a controlled bow arm and bow hand, with a smooth inline release of the fingers.

At 20 or 30 Meters adjust the sight for height only do not make any windage adjustments but use a firm plunger adjustment and move the plunger in or out to center the arrows on the target. A bare shaft is nice to help set the nocking point and will give you an idea for arrow spine matching but some compensation can be made later with spring adjustment of the plunger for arrows that are a little stiff.

When the arrows are centered make small adjustments to evaluate the grouping. I like the arrows to group just at the edge of the spot (left of for right hand) and fine tune with spring adjustment to center the arrows. If I find a setting with good grouping I will adjust the windage to that grouping but I am slow to move the sight as I use that as a reference for changes in grouping. It's all about shooting groups once a matched set of arrows are grouping is the time to adjust windage and then only.

I hope you will have a lot of busy time playing with some of these ideas, if they help great if not you have still had fun and learned

what does not work for you. Cheers Jim Ploen

Garry Maxfield
Mail from Garry Maxfield Australia to Bertil Olsson Sweden

Hi Bertil,

Owners tips looks great!

I would like to add to the tips!

Having a long front stabiliser interferes in the sighting process for 90m. So I shortened mine until it was no longer a problem. As there is more weight forward of the grip compared to a conventional riser, there is no need to have a lot of weight way out front. A long stabiliser is fine up to 70m. I also removed the weight from the side stabilisers and this gives a much balanced feel. I have also found that mooving the plunger forward and back along the arm does aid in the tuning of the arrows. Do your basic paper tune then adjust the position of the plunger to achieve a point tear.

Being a heavy riser, it is important that the bow jumps forward with no interference from the bow hand. Stand close to a blank butt with white paper covering it. Only watch the end of the front stabiliser as you release. If it mooves left or right, adjust your grip and/or the position of your fingers on the grip.Or use a video camera. Knuckles on the bow hand should be about 45 degrees to have proper bone alignment. (I do have notes on the biomechanics of archery if anyone is interested)

I use Hoyt G3 limbs with a draw weight of 42lbs. My brace height is 225mm. I use Navigators with 3/4 inch spin wings.

Hope this helps!

Garry

Some of the Variable users:
Robert Lindgren, Claes Colmeus, Bertil Olsson, Hans Sonesson,
Håkan Rönndahl, Göran Bjerendal, Mats B Andersson, Ingrid Kihlander(2),
Garry Maxfield, Peter Heyman and John Hans in Australia,
Paul Hawthorne(2) in England,
Simon Zomerdijk and Bram van Heusden in Holland,
Bob Walters(2) , Jim Ploen and Milena McFeeters in USA,
Heiichi Tanaka in Japan, Tay Kok Leong in Singapore,
Georg Wagner Österreich, Pentti Vikström(2) Finland and
the Swedish Archery High School(2) in Olofström