Type 4 Barn Door Tracker

Ideally this drive requires a 1 rpm stepper motor however for shorter exposures on a stable platform tripod a well designed type 4 barn door tracker produces very acceptable results manually advancing the drive in small sequential steps in order to achieve one full revolution per minute.

Type 4 barn door tracker.

Zekoo 4 ft 12 ft bypass sliding barn door hardware kit single track double wooden doors use flat track roller one piece rail low ceiling 4ft single track bypass 4 5 out of 5 stars 111 99 00 99. 4 4 out of 5 stars 127. The double arm design was first described in an article by dave trott published in the february 1988 issue of sky telescope magazine. Hello peter i m buidling a type 4 barn door tracker.

In stock and ready to ship. Get it as soon as mon sep 14. Cut your two blocks of wood pieces into 13 x 4 pieces. You can however make a 6 wide board and use a 4 hinge but you may give up some stability.

Assembly setting up your door tracker. A barn door is a specialized type of equatorial mount. For a type 1 and type 4 drive b is measured from the camera platform hinge point to the sliding contact point. So my question is how to connect the motor which comes with two wires of about 18cm length to the power socket and how to switch between cw ccw.

Winsoon 9ft single track bypass barn door hardware double doors kit heavy duty sliding one track antique roller for cabinet closet fit double 54 wide doors. The mount shown here employs a type 4 double arm design. The hinge you measure from depends on the drive geometry since this distance must not vary as the arms close. A followup appeared in the april 1989 issue.

5 coupon applied at checkout save 5 with coupon. For a type 2 and type 3 drive b is measured from the drive arm hinge point to the sliding contact point. Choose from our selection of barn door tracks including roller track roller track sets and more.