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gear
A gear or cogwheel is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part to transmit torque. Geared devices can change the speed, torque, and direction of a power source. Gears almost always produce a change in torque, creating a mechanical advantage, through their gear ratio, and thus may be considered a simple machine. The teeth on the two meshing gears all have the same shape. Two or more meshing gears, working in a sequence, are called a gear train or a transmission. A gear can mesh with a linear toothed part, called a rack, thereby producing translation instead of rotation.
The gears in a transmission are analogous to the wheels in a crossed belt pulley system. An advantage of gears is that the teeth of a gear prevent slippage.
When two gears mesh, if one gear is bigger than the other, a mechanical advantage is produced, with the rotational speeds, and the torques, of the two gears differing in proportion to their diameters.
In transmissions with multiple gear ratios—such as bicycles, motorcycles, and cars—the term "gear" as in "first gear" refers to a gear ratio rather than an actual physical gear. The term describes similar devices, even when the gear ratio is continuous rather than discrete, or when the device does not actually contain gears, as in a continuously variable transmission.
Hey all, need to update some duty gear and would love to take some off of your hands! Looking for duty gear including:
Level iiia soft armor vest (Safelife, Armor Express, etc). External carrier needed, Black, ideally with Molle webbing and velcro to attach some patches.
Tactical Boots. Black...
Hey all, I've just upgraded my job to Armed, but I need to furnish myself a duty Setup. Looking for something in 9mm, preferably compact enough to also do concealed assignments, so something with a 15 capacity. Also need a duty holster that goes with it, LV 3 retention. Obvious ideal candidates...
Just cleaning out some stuff I don't need, hoping to turn it into things I can use, trades will be listed at the bottom of the ad.
I work in NW Portland and you are welcome to come to my work for pick up, I will ship if you spend at least $40 and you cover shipping. Feel free to make offers on...
Picked up 2 yards of this 500D fabric, the ebay seller photos showed a more green shade than what I got, so it isn't gonna be used for tactical gear.. but it's useful for a backpack that doesn't look tactical.
Clockwise from top right;
BP Green 500D
Rockywoods 500D Ranger Green
Ebay 500d...
I bought this icon motorcycle riding jacket and I don't like the fit on me. The company I bought it from said they wouldn't take it back since I pulled the tags off so here I am.
I paid 175 for it plus shipping.
Selling for 150.
Brand new without tags.
Has the new D30 riding crash protection...
Prices are obo and don't include shipping.
Tula plum AK74 mag in great condition $50
Bulgarian AK74 type 3 bayonet $80
Romanian AK bayonets $30 each
Sord FDE plate carrier $80
Condor AR chest rig $30
Beez Combat Systems chest rig $80 50 AE reloading supplies $50
Cleaning out a parts bin.
Ive got an AR d-ring replacement quad rail (not free float) $20
Midwest industries AK quad rail set up $80 ($125 new, cant get anymore)
Tan arsenal ak furniture, handguard and grip $50 ($85 new)
Gshock watch, older works great $30
Safariland drop leg g17 with tlr1 $100...
I have 4 small and 1 large gear bag for sale. $10 each. All in great condition, like new.
The small bags large interior pocket is 7x7x3. The large bags large interior pocket is 9x9x4.
The color seems to be somewhere between desert tan and OD green - maybe more on the tan side.
Messages...
Rummaged through some gear boxes and I have decided these must find a new place.
Mixed lot, holsters, molle pouches, duty belt pouches, scope.
buy the whole lot, parts of the lot or single items.
Shoot me some offers and trades I suppose but cash is king.
I have some old school military gear (some Vietnam Era), all in good to excellent condition... including:
3 ALICE packs (one with frame).
2 military issue duffles/packs.
Several uniforms (nothing bigger than medium regular).
A couple load bearing tactical vests
Old school (possibly Vietnam...
I have lots of quality riding gear laying around not being used and i want to save for a new helmet and get my bike some more stuff!
Ammo trades added
Arai vector 2 sold
Womans Icon Merc softshell jacket, size medium. Only used 2-3 times, still in excellent shape.
$40 obo
Alpinstars tz-1...
Like new. Bladetech right hand OWB holster, single OWB mag carrier, and a double mag carrier. All have same belt connections. For Gloack 17. $60 or best offer.
Jeff
OC
971-269-9797
Feel free to make me an offer on the remaining items. The items that are still available are listed with a price, the rest of the items in the pics have been sold.
Press and mounts:
RCBS Rock Chucker Supreme with heavy duty steel mount $90
Dies:
Lee Collet neck die 300wm $8
Tools:
Hornady...
I have the following for sale; I can split the items apart if desired...
Spectre Gear gun belt with pad; Size M, fits 38" waist at the smallest with the pad on, may fit 40" without the pad, but can fit smaller dudes. 2" wide main belt, 3" wide pad. Main belt has velcro on inside to attach to...
Springfield Armory xds .45 cal.
Desert Tan cerakote
Alien Gear holster
Trijicon sights
Extended slide lock
(2) Factory magazines
(3) Extra magazines with desert tan cerakote
(please note that these magazine have malfunctioned so the will need to be reconditioned but have been included...
Militia and patriots, who knew. Anyway, thought it was an interesting article although it appears to be dated and uses a lot of triggering words. Remember that if you use Ham to transmit, you need a easily procured license. Finding a transmitter is easy and a fun game for ham operators, google...