One Cam Bows - Click Photos to Zoom

Lower limb for Dynabo

Jennings (1995)
Machined Extreme XLR
"1 cam" one cam


Len Subber testing our prototype
Diablo Dynabo

Drawings from instruction manual
showing 6 position string adjustment
and rotating screws for draw adjustment

Jennings Uniforce XLR
"UnCam" one cam (1993

Martin Archery Dealer Dynabo Chart
Adjustable from 23 to 32" (1976)

Martin Archery 1977 catalog page The Dynabo had a positive draw stop, was the first all string compound and easy take down feature.
Gail Martin shooting the Dynabo

Prototype drawing (1976) by Terry Martin


Prototype triple limb one cam bow (1995) Close up of early cam

Carlton Conky practicing for Vegas 1977

Len Subber unstringing a DynaBo
A bow press was not needed to adjust or
take down to put into a case.

Prototype triple limb one cam bow (1995)

Takedown Dynabo (front view)

Prototype Takedown Dynabo made of machined plate aluminum

Martin Catalog 1979
Super Mag M-10
Cheetah Dynabo

Prototype Dynabo with lower flexible limb

Prototype Dynabos made by Len Subber
(photo by Len Subber)

Martin DynaBo, Archery World, September 1976


Spartan Archery
Challenger Compound
featured adjustable draw length 23 to 32",
30 pound adjustment range
Limb design featured four adjustment positions.

Jim Cox Magnum Dynabo (1982)


Spartan Archery Center One Cam Bows (1978)
1-Cruiser (wood riser)
2-Challenger (aluminum riser)
3-Warrior (aluminum riser)

Prototype Dynabo in take-down case

Bear Unicam (1987)

York DynaBo 1978

Spartan (1977)

Early one cam design made from Kam-Act This is the original photo taken by Len Subber.
(cam is held in position for photo by rubber strip. It is in the ready to be strung position)


Close up of early cam

Original prototype Dynabo (The first one cam bow)

Martin Panther Versacam (1998)

Mathews Ultra Light/Zebra twist, Bow & Arrow, October 1995

Jim Cox and others shooting Martin Dynabo in Vegas 1977

Jim Cox Overdraw Dynabo (1984)

Misc Video
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