A jib arm can be a commodious course toward experienced grade movies.
When you hear the discussion "jib," you may envisage of a forward sail on a sail boat, on the contrary jib arms are used for manufacture movies and shooting video. A jib arm is essentially a camera crane. It is sometimes called a camera boom or camera jib. The desire of a jib arm is to receive a high- or low-angled Gunfire, or to pan the camera - Stirring it side to side or vertically in a stable, sweeping movement. You can conceive your own jib arm by combining chart elements of a tripod and a draftsman's headlamp.
Instructions
1. Clinch how continued you yen your jib arm to be. The original Testament be a 10-foot arm with a 3-foot counter balance.
2. Section two pieces of 1-inch square steel tubing 13 feet faraway. Reduce two pieces 1 foot drawn out. Incision one quantity 2 feet spread out.
3. Arrange the 13-foot pieces and the 1-foot pieces in a rectangle on a far-reaching exertion margin. Drill 1/4-inch holes in all four corners of the rectangle and through-bolt the four pieces. Accommodation a washer on the threaded head, then a nylon-lined locking follower. Don't tighten the nuts tightly, binding the corners cool; decent constitute them slightly snug.7. Weld a perpendicular bracket to the 10-foot end of the jib arm to mount your camera. Fabricate the bracket with steel, then through-bolt a 1/4-inch aluminum mounting plate that you can customize for you camera.
Drill a gap at one purpose of the 2-foot lot and another in the centre, then through-bolt it to the holes in the jib arm the same way you assembled the corners. The center piece should be parallel with the two end pieces, but it will have 1 foot extending past the bottom cord of the jib arm for mounting.
5. Weld a mounting plate to the bottom of your center piece. Design it to mount to the top of your tripod. You can drill three holes in a round plate and bolt them to the tripod.
6. Weld a 1-foot section of square tube perpendicularly to to the counter balance end of the jib - the 3-foot end. Drill 1/4-inch holes at each end of your 1-foot section. You'll use this T-section to slide counter weights onto, then slip a bolt into the holes to operate like a cotter pin, keeping the weights from sliding off.
This rectangle is away a parallelogram that Testament advantage as your jib arm.4. Fasten the center piece of your jib arm - the 2-foot decrease. Drill 1/4-inch holes in the expanded pieces, 3 feet from the the counter balance mark and 10 feet from the camera borderline. It will be easier to make customizations or add special mounting hardware to a removable aluminum plate than to a fixed steel plate endure of the boom.
8. Assemble the jib arm. First set up your tripod. Through-bolt the mounting plate on the center piece of your jib arm to the tripod. Lower the camera end and secure your camera to the mounting plate. Add counterweights to the counter balance end until the the counterweights balance the camera and long end of the jib arm.
