Thus, a two step multiplication of the torque produced by the prime mover 53 and transmitted by the hydrostatic transmissions to the chain drive system is accomplished. 7 is a side view of the chassis shown in FIG. In a second embodiment shown in FIG. The preferred embodiment, shown in FIG. 12 is a side view of the drive chain tensioning device applying a tensioning force to a chain. An amphibious all-terrain vehicle as defined in claim 5, wherein said chain drive system comprises: at least one first chain driving sprocket wheel operatively affixed to said output shaft of said first transmission to rotate with said output shaft; at least one first chain driving sprocket wheel operatively affixed to said output shaft of said second transmission to rotate with said output shaft; at least one idler sprocket assembly having at least first, second and third chain sprocket wheels rotatably mounted on a first axle shaft of said first series of axle shafts; at least one idler sprocket assembly having at least first, second and third chain sprocket wheels rotatably mounted on a first axle shaft of said second series of axle shafts; at least one first driving chain operatively interconnecting said first chain driving sprocket wheel mounted on said output shaft of said first transmission to said first chain sprocket wheel of said idler sprocket assembly mounted on said first axle shaft of said first series of axle shafts to transmit a torque from said first transmission to said idler sprocket assembly; at least one first driving chain operatively interconnecting said first chain driving sprocket wheel mounted on said output shaft of said second transmission to said first chain sprocket wheel of said idler sprocket assembly mounted on said first axle shaft of said second series of axle shafts to transmit a torque from said second transmission to said idler sprocket assembly; at least one second chain driven sprocket wheel operatively affixed to a second axle shaft of said first series of axle shafts; at least one second chain driven sprocket wheel operatively affixed to a second axle shaft of said second series of axle shafts; at least one second driving chain operatively interconnecting said second chain sprocket wheel of said idler sprocket assembly mounted on said first axle shaft of said first series of axle shafts to said second chain driven sprocket wheel affixed to said second axle shaft of siad first series of axle shafts to transmit said torque from said idler sprocket assembly to said second chain driven sprocket and hence to said axle shaft; at least one second driving chain operatively interconnecting said second chain sprocket wheel of said idler sprocket assembly mounted on said first axle shaft of said second series of axle shafts to said second chain driven sprocket wheel affixed to said second axle shaft of said second series of axle shafts to transmit said torque from said idler sprocket assembly to said second chain driven sprocket and hence to said second axle shaft; at least one third chain driven sprocket wheel operatively affixed to said second axle shaft of said first series of axle shafts to rotate with said second axle shaft; at least one third chain driven sprocket wheel operatively affixed to said second axle shaft of said second series of axle shafts to rotate with said second axle shaft; at least one fourth chain driven sprocket wheel operatively affixed to said first axle shaft of said first series of axle shafts; at least one fourth chain driven sprocket wheel operatively affixed to said first axle shaft of said second series of axle shafts; at least one third driving chain operatively interconnecting said third chain sprocket wheel affixed to said second axle shaft of said first series of axle shafts to said fourth chain driven sprocket wheel affixed to said first axle shaft of said first series of axle shafts to transmit said torque from said second axle shaft to said fourth chain drivEn sprocket wheel and hence to said first axle shaft, said first axle shaft therefore constituting a jackshaft; at least one third driving chain operatively interconnecting said third chain sprocket wheel attached to said second axle shaft of said second series of axle shafts to said fourth chain driven sprocket wheel attached to said first axle shaft of said second series of axle shafts to transmit said torque from said second axle shaft to said fourth chain driven sprocket wheel and hence to said first axle shaft, said first axle shaft therefore constituting a jackshaft; at least one fifth chain driven sprocket wheel operatively affixed to a third axle shaft of said first series of axle shafts; at least one fifth chain driven sprocket wheel operatively affixed to a third axle shaft of said second series of axle shafts; at least one fourth driving chain operatively interconnecting said third chain sprocket wheel of said idler sprocket assembly mounted on said first axle shaft of said first series of axle shafts to said fifth chain driven sprocket wheel affixed to said third axle of said first series of axle shafts to transmit said torque from said idler sprocket assembly to said fifth chain driven sprocket wheel and hence to said third axle shaft; and at least one fourth driving chain operatively interconnecting said third chain sprocket wheel of said idler sprocket assembly mounted on said first axle shaft of said second series of axle shafts to said fifth chain driven sprocket wheel affixed to said third axle of said series of axle shafts to transmit said torque from said idler sprocket assembly to said fifth chain driven sprocket wheel and hence to said third axle shaft. A movement of the ratchet plate 123 away from the chain 131 would result in a decrease in the tensioning forces exerted on the chain by the chain tensioning device, and result in excessive chain slack. Blade Amphibious All Terrain RC - YouTube 0:00 / 1:00 Let's Play! as viewed in FIGS. And not just during rescue operations, scientific . Two chassis side rails are located interior to the chassis disposed along opposite longitudinal sides, and extend substantially the entire'length of the chassis. 5. Unlike most tracked vehicles that use brake and slew steering systems, or other steering methods that can . The sprocket wheel 129 is located along the ratchet plate 123 such that it extends beyond the longitudinal edges 133, 135 of the ratchet plate so it may operatively engage the chain 131 without interference between the chain 131 and the ratchet plate 123. "spalsh" to -splash--. with twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. At least one first driving chain 99 operatively interconnects the first chain driving sprocket wheel 87 to the first chain sprocket wheel 91 of the idler sprocket assembly 89 to transmit power and rotational motion from the transmission to the idler sprocket assembly. At least one idler sprocket assembly 89 having at least a first 91, second 93, and third chain sprocket wheels is rotatably mounted on afirst axle shaft 97. A separate prime mover throttle control, not shown as almost any variety known to the art may be used, is provided to allow the vehicle operator to vary the power out-put of the prime mover. 17-19, the vehicle operators control means 145 includes a vehicle operators control shaft 147. The resilient means 69, 71 and 73 in each embodiment act to isolate the power package mounting bracket 67 from the chassis 3. yreka high school football schedule; types of educational books; small console cabinet; best personal firewall; concerts israel july 2022; dixie belle gel stain over paint a constant engagement of said first second, third and fourth driving chains with said first chain sprocket wheels and said first chain sprocket wheels of said idler sprocket assemblies, said second chain sprocket wheels of said idler sprocket assemblies'and said second chain driven sprocket wheels, said third chain driven sprocket wheels and said fourth chain driven sprocket wheels, and said third chain sprocket wheels of said idler sprocket assemblies and said fifth chain driven sprocket wheels respectively. Learn More. However, the transmission ratio selector device 177 is already in its most forward position corresponding to a maximum forward speed, it cannot be further displaced forward. An amphibious all terrain vehicle as defined in claim 10, further characterized in that said vehciel operators control means includes: a vehicle operators control shaft mounted in said control actuating joint adapted for motion, relative to said control actuating joint, through a vertical plane substantially transverse to a longitudinal centerline of said vehicle; means defining an elongated slot in said platfrom adapted to slidably receive said operators control arm; means defining a plurality of notches spaced apart along a longitudinal edge of saidelongated slot adapted to receive said operators control arm, each of said notches corresponding to a particular transmission ratio; means defining a gate located between a series of said notches corresponding to a forward motion transmission ratios and rearward motion transmission ratios to prevent a vehicle operator from inadvertently placing said operators control arm in an undesired notch; and. Amphibious Ultimate Terrain Vehicle. 22. 19 is a vertical sectional view of an alternate embodiment of the vehicle operators control shaft. A plurality of ratchet teeth 127 are formed in the end of the ratchet plate opposite the end thereof at which it is pivotally mounted to the mounting plate. These ratchet teeth are adapted to engage the pawl. Packs the off-road ability of. Two spaced apart side walls 31 are located along opposite longitudinal sides of the floor pan 25. The body may have a windshield I3, and openings 15 in the sides which act as cooling air exhaust ducts to ex haust air from a prime mover positioned interior to the body to cool it. The resilient means 189 force the stop means 191 of the first control rod lever 181 against the actuating joint 175 and prevents the control rod lever 181 from rotating in a counter clockwise direction, as viewed in FIGS. Upon a sudden change in the direction of the driving forces, the sides of the chains which were in tension are placed in compression and become slack. 4. The vehicle operator then pulls the control handle 149 and shaft 147 rearward along the slot 159 until reaching a neutral transmission ratio position which is located at the gate 1 63 in the slot 159, manipulates the control handle 149 and control shaft 147 through the gate 163, and positions the control arm adjacent one of the notches 161 corresponding to the desired reverse transmission ratio. 8 is a front sectional view of the chassis taken along line 3-8 of FIG. In addition, a gate 163 is located between a series of notches which correspond to forward motion transmission ratios and rearward motion transmission ratios to preventthe vehicle operator from inadvertently placing the operators control shaft 147 in an undesired series of notches. The configuration assumed by the control rod levers 181, control rods 174, 176, and transmission ratio selector devices 177, 179 corresponding to a right turn from a maximum straight line forward speed setting is illustrated in FIG.
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