Tripod Action Fluid
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![]() Video Camera Tripod Action YT 950 Fluid Drag Head $36.99 Time Remaining: 11d 9h 7m Buy It Now for only: $36.99 |
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![]() Miller Professional Fluid Action Head Wooden Tripod $749.00 Time Remaining: 15d 22h 31m Buy It Now for only: $749.00 |
![]() FT6691AH Pro Photo Video Studio Tripod Action Fluid Drag Ball head Load3Kg 66Lb $24.98 Time Remaining: 3d 22h 15m Buy It Now for only: $24.98 |
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![]() 100 Guaranteed Professional Video Camera Tripod Action EI 717AH Fluid Drag Head $96.99 Time Remaining: 28d 18h 32m Buy It Now for only: $96.99 |
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![]() Video Camera Tripod Action YT 950 Fluid Drag Head $36.99 Time Remaining: 18d 4h 21m Buy It Now for only: $36.99 |
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Pro Heavy Duty Ball Head Quick Release Photo Ball Head Tripod Grip Action Ball Head for Gitzo Manfroto by Fancier 6664H Sale Price: $49.99 |
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This is a high quality pro ball head with calibrated tension control for smooth precision movement. Independent control for pan and tilt movement. This ball head is made from the latest metal (aluminum alloy) technology that provides super strong and sturdy construction and yet weighs only 1-1/4 lbs... |
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Ravelli AVT Professional 67" Video Camera Tripod with Fluid Drag Head List Price: $199.00 Sale Price: $73.99 |
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The Ravelli AVT is constructed of pressure treated aluminum and is unrivalled in stability. This tripod incorporates a unique center brace strut system, reliable quick-action leg locks, non-rollback center column, and rubberized feet with retractable metal spikes... |
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Manfrotto 701HDV Pro Fluid Video Mini Head Sale Price: $129.99 Used From: $115.00 |
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Developed specifically to support the latest prosumer and professional light compact HD camcorders, the 701HDV offers an updated design, which has been created for improved ergonomics with locks and knobs that allow for a more solid grip and better control, a better fluidity thanks to improved internal fluid cartridges, a double pan- bar rosette and a bigger sliding plate to optimize the position of the camera considering its centre of gravity... |
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Slik U8000 Tripod w/3 Way Fluid Head List Price: $69.90 Sale Price: $44.95 |
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Light in weight, light in price, but heavy in value, the SLIK U series of economy tripods have proved to be so popular and successful that they have been knocked-off by many companies, but none have been able to match the quality and value performance of these versatile tripods... |
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PRO-POD VIDEO CAMERA TRIPOD - Pan Head - A heavy duty tripod for serious video production. Fluid-like very smooth pan action - by alzodigital.com Sale Price: $256.00 |
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FREE SHIPPING*: Video Tripod with fluid pan head for smooth panning, height reference markings, sturdy yet lightweight double-strut legs with quick-set twist clamps, bubble levels, and rubber/steel spiked leg tips for non-slip traction... |
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Manfrotto 561BHDV-1 Fluid Video Monopod with Head List Price: $279.00 Sale Price: $254.99 |
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The 561BHDV is a compact but incredibly high 4-section aluminum fluid monopod. It is equipped with a fluid head including a long sliding plate. The ergonomic pan-bar allows smooth panning and tilting movements... |
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Cartoni Quick Release Plate for the Focus, Alfa, Alfa II and Action Pro Video Fluid Heads. Sale Price: $74.95 |
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Has 1/4"-20 and 3/8" screws. Replacement plate for Alfa I, Alfa II and DigiDutch fluid heads. |
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Professional style Tripod Kit Includes 50" Full Tripod W/ Carrying Case + LCD Screen Protectors + Camera Cleaning Kit + Mini Tripod For Fujifilm Finepix HS10 HS20 S4000 S3400 S3300 S3200 S2950 S2800 S2500 S1800 S2550HD AX380 AX350 AX330 AX300 AV280 AV250 AV230 AV200 Digital Camera Sale Price: $19.99 |
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The Zeikos 50-Inch Photo and Video tripod features a built-in bubble level, a 3-way fluid pan head, rapid action leg locks and 4 section legs. It includes a deluxe carrying case and has a 10 year limited warranty... |
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Manfrotto 501HDV Video Head - Replaces 501 Sale Price: $100.00 Used From: $150.00 |
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Inside the 501HDV is a powerful new feature that takes its inspiration from our top professional video head models – a fixed counterbalance spring (set for a typical weight of camera + accessories of 2... |
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Manfrotto 682B Self Standing Monopod (Black) Sale Price: $114.74 |
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All the features of the professional Monopod 681 with a handy addition of three retractable legs. Dual 1/4” - 3/8” coaxial camera fixing screw. This replaces the Bogen Manfrotto 682. |

[5th repost] How does anti-tank missile work?
Cumulative action anti-tank missile consists of two blocks
of explosives lined with metal plates inclined by angle α to each other.
When missile moving with speed Va = 500 m/s
hits the armor, the exoplosives are detonated, and the plates
are propelled towards each other, with equal speeds Vo = 1000 m/s.
http://alexandersemenov.tripod.com/jet/index.htm
The plates collide and produce cumulative jet moving
with speed Vj, which easily pierces the armor.
What should be the value of angle α to achieve relative
velocity of the jet with respect to the armor Vj + Va = 5,000 m/s?
Assume that metal plates behave like ideal incompressible fluid.
Cross-section of real warhead can be seen here:
http://www.inert-ord.net/atrkts/bazoo/
I figure 25.7° will be in the ball park





































