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| {{ToolTemplate|Toolname=Power Cube}} | | {{Category=Power Cube}} |
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| The '''Power Cube II''' is an universal, self-contained power unit that consists of an engine coupled to a hydraulic pump for providing power to different devices in the form of hydraulic fluid at high pressure. The Power Cube is a module that can be attached to the LifeTrac, Microtrac, Bulldozer, and Open Source Car (OSCar) platforms. It connects to other devices via quick couplers and quick-connect hydraulic hoses. | | The '''Power Cube II''' is an universal, self-contained power unit that consists of an engine coupled to a hydraulic pump for providing power to different devices in the form of hydraulic fluid at high pressure. The Power Cube is a module that can be attached to the LifeTrac, Microtrac, Bulldozer, and Open Source Car (OSCar) platforms. It connects to other devices via quick couplers and quick-connect hydraulic hoses. |
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| </html> | | </html> |
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| =Parts List=
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| Last updated 26 August, 2010
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| [[Image:pc2engine.jpg|thumb|Power Cube II engine]]
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| [[Image:pc2suctionstrainer.jpg|thumb|Suction strainer, 14 gpm]]
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| [[Image:pc2suctionstrainer2.jpg|thumb|Suction strainer, 23 gpm]]
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| [[Image:pc2hydpump976.jpg|thumb|Hydraulic pump, 14 gpm]]
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| ==Frame==
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| *1/4"x4"x4" mild steel square tubing - 22 feet @$8.15/foot - $180 - 286 lb
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| *Quick attach system
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| [[Image:fillerbreather.jpg|thumb|Hydraulic and gasoline filler/breather.]]
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| ==Engine==
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| *18 hp Engine - $479 - [http://www.amazon.com/gp/product/B001LPFGSY/ref=oss_product]- 81 lb. Sorry, steam engine is forthcoming.
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| **Note: engine spins counterclockwise (CCW) from PTO side, so pump must have clockwise (CW) rotation
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| *(27 hp engine - $750 - [https://www.surpluscenter.com/item.asp?item=28-1747&catname=hydraulic] (no muffler))
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| *(27 hp engine - $890 - [http://www.google.com/products/catalog?q=27+hp+briggs+and+stratton&hl=en&prmd=ivns&resnum=3&biw=861&bih=645&um=1&ie=UTF-8&cid=16183620504220038594&ei=FVhHTYSRCI-WsgOX5O2NAg&sa=X&oi=product_catalog_result&ct=result&resnum=1&ved=0CGYQ8wIwAA#] (no muffler))
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| *(muffler - [http://www.brandnewengines.com/1820-INVT.aspx $110])
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| *Fuel tank filler and breather - [[https://www.surpluscenter.com/item.asp?item=9-7286&catname=hydraulic]]
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| *Fuel tank fuel line barb with shutoff
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| *Battery
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| *Starter solenoid
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| *Starter switch, shutoff switch - key with spring return?
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| *Battery cables
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| *Throttle cable
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| *Choke cable
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| ==Engine Coupling to Pump==
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| *Coupler half, 5/8" - [http://www.mcmaster.com/#6408k15/=1qajma $10]
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| *Coupler half, 1" - [http://www.mcmaster.com/#6408k15/=1qakef $10]
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| *Solid spider - [http://www.mcmaster.com/#6408k95/=1qale7 $14]
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| ==Pump==
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| *Hydraulic pump - 0.677 cu in, 5/8" keyed shaft, 10.1 gmp @3600 RPM, 3000 PSI max, 4000 RPM max, 8 lb - [https://www.surpluscenter.com/item.asp?UID=2009050413295892&item=9-1897-B&catname=hydraulic $180]
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| *Pump outlet - SAE 10 to 1/2 NPTM straight - [https://www.surpluscenter.com/item.asp?UID=2009050516281116&item=9-6401-10-8&catname=hydraulic $1.89][https://www.surpluscenter.com/item.asp?item=9-4604-12-12&catname=hydraulic]
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| *Pump inlet - Sae 12 to 3/4" hose barb -
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| *1/2" quick coupler - same as above - $16
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| *Suction Hose
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| *3/4 NPTM to hose barb elbow connector - [https://www.surpluscenter.com/item.asp?UID=2009050516253455&item=9-4501-12-12&catname=hydraulic $4.69]
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| *3/4 NPTM to hose barb straight connector for second PowerCube - [https://www.surpluscenter.com/item.asp?catname=hydraulic&item=9-4404-12-12 $3.95]
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| *Pump inlet - SAE 12 to 3/4 hose barb connector - [https://www.surpluscenter.com/item.asp?UID=2009050516281116&item=9-4604-12-12&catname=hydraulic $4.69]
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| ==Engine Mounting and Pump Mount Plate==
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| *Pump mount plate - 1/4"x6"x8"
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| *Engine mounting -
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| ==Pressure Bypass Safety Valve==
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| *<span style="color:green">[1] 1/2" NPT Bypass valve - [https://www.surpluscenter.com/item.asp?item=9-6135-50-H&catname=hydraulic]
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| *[3] 1/2" Quick couplers - 1 complete for tee near pump, one going from return filter to tee, and male tip for return line. This gives one extra female quick coupler left over. This set of 3 QCs does not cover hoses going from and to the PowerCube.
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| *[4] 1/2" NPTF hex nip for one and other side of tee, on both tees - [https://www.surpluscenter.com/item.asp?item=9-5404-8-8&catname=hydraulic]
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| *[2] 1/2" NPTF tee - from outlet of pump to pressure bypass, and from bypass valve into return line filter - [https://www.surpluscenter.com/item.asp?item=9-5605-8-8-8&catname=hydraulic]
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| ==Reservoir==
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| *<span style="color:red">Suction strainer, 1.5" - [https://www.surpluscenter.com/item.asp?item=9-7290-100&catname=hydraulic] - $20
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| **<span style="color:red">Use this for single [[Power Cube]]
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| **1-1/2" NPT coupling for threading suction strainer into frame - found at big box hardware
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| *<span style="color:green">Suction strainer, 2" - [https://www.surpluscenter.com/item.asp?item=9-7290-125&catname=hydraulic] - $23
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| **<span style="color:green">Use for dual Power Cubes
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| **<span style="color:green">Use 2" coupler from bix box store to thread into Power Cube frame
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| *<span style="color:green">Hydraulic pump - 10 gpm at 3600 rpm, CW rotation - from Power Cube I - [http://openfarmtech.org/index.php/File:677hydpump.jpg]
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| *<span style="color:green">Hydraulic pump - 14 gpm at 3600 rpm, CW rotation - from Power Cube I - [https://www.surpluscenter.com/item.asp?item=9-1788-B&catname=hydraulic]
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| *[1] 20 GPM return Line Filter - [https://www.surpluscenter.com/item.asp?item=9-059&catname=hydraulic]
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| *[1] 3/4" quick coupler for return line to filter
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| *[1] 3/4" NPT Swivel for return line filter going into frame - [https://www.surpluscenter.com/item.asp?item=9-1404-12-12&catname=hydraulic]
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| *[2] 3/4" NPT hex nip on both sides of filter - [https://www.surpluscenter.com/item.asp?item=9-5404-12-12&catname=hydraulic]
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| *[1] 1"-3/4" NPT reducer bushing for frame receptacle for return filter - [https://www.surpluscenter.com/item.asp?item=9-5406-16-12&catname=hydraulic]
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| *[2] 1/2" quick couplers for main power lines
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| ==Hoses==
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| *[1] 2 foot hose from pump outlet to return line filter - [https://www.surpluscenter.com/item.asp?item=905-1224&catname=hydraulic]
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| *3/4" suction hose
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| =Shopping List Summary=
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| [[Image:balanceofpc2.jpg]]
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| =PowerCube II with 18 and 27 hp Engine - BOM=
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| Note: go to [http://www.smallenginesuppliers.com/shop/agora.cgi/04387 27 hp consumer engines] in the next iteration.
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| *Frame metal - $180
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| *Motor mounting structure - $20
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| *Pump mount plate - $5
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| *[1] 18 hp Engine - [http://www.amazon.com/Briggs-Stratton-Crankshaft-7-16-20-31C707-0026-G1/dp/B001LPFGSY $479]
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| *(or 27 hp Engine - [http://www.google.com/products/catalog?q=27+hp+briggs+and+stratton&hl=en&prmd=ivns&resnum=3&biw=861&bih=645&um=1&ie=UTF-8&cid=16183620504220038594&ei=FVhHTYSRCI-WsgOX5O2NAg&sa=X&oi=product_catalog_result&ct=result&resnum=1&ved=0CGYQ8wIwAA# $890])
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| *(muffler - [http://www.brandnewengines.com/1820-INVT.aspx $110]
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| *[1] Pump - $180
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| *[1] Motor to pump coupler - $34
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| **Flexible Spider Shaft Coupling Hub 5/8" Bore, 2-7/64" OD, with Keyway - $10
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| **Flexible Spider Shaft Coupling Hub 1" Bore, 2-7/64" OD, with Keyway - $10
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| **Hytrel Spider for 2-7/64" Outside Diameter Flexible Spider Shaft Coupling Hub - $14
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| Suction Line:
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| *Suction strainer - $23
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| *[1] 3/4" barb elbow - $5
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| *[1] 3/4" barb - $4
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| *[1] 3/4" barb inlet to pump - $5
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| *[2] 3/4" close nip - $4
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| *[1] 2" coupling half - $3
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| *[1] 1-1/4" close nip - $2
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| *[1] 1-1/4" elbow - $4
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| *[1] 1-1/4" to 1" reducer bushing - $2.50
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| *[1] 1" tee - $2
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| *[2] 1"-3/4" bushing - $4
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| Return line
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| *[1] 3/4" swivel - $3.50
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| *[1] 3/4" coupler - $2
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| *[1] 3/4" tee -
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| *[1] Filter - $17
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| *[1] Quick coupler, 1/4" - $15
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| *[2] Quick coupler, 1/2" - $32
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| *[1] Quick Coupler, 3/4" - $30
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| *[1] Pressure relief valve - $38
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| *[1] Battery - $25
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| *Starter Solenoid - $8
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| *Check valve - $15, [https://www.surpluscenter.com/item.asp?item=9-7933-8-5&catname=hydraulic]
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| **Battery cables - $14
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| *Throttle cable - $7
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| *Starter switch - $12
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| *Starter solenoid - $9
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| *Wiring -
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| *[1] Fuel line barb and fuel hose - $6
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| *Oil - $6
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| *Hydraulic oil, 5 GAL - $40
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| '''$1236''' to here, 18 hp, without missing items.
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| or '''~$1750''' to here, 27 hp
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| =Weight=
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| *Engine - 81 lb or 106 lb
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| *Frame - 286 lb
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| *Battery - 15 lb
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| *Motor mounting - 20 lb
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| *Pump - 8 lb
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| *Balance of system - 10 lb
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| TOTAL WEIGHT - 420 or 445 lb without fluids
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| [[Category:Power Cube]] | | [[Category:Power Cube]] |
