One Cam Bows - Click Photos to Zoom

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

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

Prototype Dynabo with lower flexible limb

Martin Catalog 1979
Super Mag M-10
Cheetah Dynabo

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

Lower limb for Dynabo

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

Close up of early cam


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

Martin Panther Versacam (1998)

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)

Prototype drawing (1976) by Terry Martin

Prototype triple limb one cam bow (1995)

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

Spartan (1977)

Jim Cox and others shooting Martin Dynabo in Vegas 1977

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

Original prototype Dynabo (The first one cam bow)


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

Takedown Dynabo (front view)

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

Jim Cox Magnum Dynabo (1982)

Bear Unicam (1987)

Jennings Uniforce XLR
"UnCam" one cam (1993

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

Martin DynaBo, Archery World, September 1976


Carlton Conky practicing for Vegas 1977

Prototype Takedown Dynabo made of machined plate aluminum

Jim Cox Overdraw Dynabo (1984)


York DynaBo 1978

Prototype Dynabo in take-down case


Len Subber testing our prototype
Diablo Dynabo

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