IndianaRog and the Temple of Steam
Toy and model steam engines and turbines by Jensen, Karsten, Mamod, Stuart, Empire, LiNEy & others plus engine videos with sound & helpful restoration tips
Comparison Specs for a factory Jensen 51 and my Jensen 51 Replica
| Comparison |
Original Jensen 51 |
My Jensen 51 Replica |
| Boiler Heaters | 3 x 300 watt immersion rods total 900 watts 7.5 amps | 2 x 660 watt immersion rods & 1 x 300 watt rod total 1620 watts and 13 amps |
| Steam Powered Electrical generation | 1 combo AC/DC gen. | 2 tandem AC, 1 DC gen. |
| AC gen. powered accessories | 1 lamp & 1 switch | 2 lamps & 2 switches |
| DC gen. powered accessories | 1 motor w/Jensen mini saw blade & 1 switch |
1 motor with Jensen lineshaft pulley, 3 lamps & 3 switches |
|
Console ventilation fan |
No | Yes |
| AC line incoming ammeter | Yes (0-10 amps) |
Yes (0-15 amps) |
| Hour meter, cummulative | Yes | Yes |
| AC low voltage meter | Yes (0-10 AC volts) |
Yes (0-10 AC volts) |
| AC milliammeter w/switch | Yes (0-250 MA) |
Yes (0-250 MA) |
| DC low voltage meter | Yes (0-5 DC volts) |
Yes (0-25 DC volts) |
| DC milliammeter w/switch | Yes (0-300 MA) |
Yes (0-300 MA) |
| System fuse | 10 amp | 15 amp (+14 ga. wiring) |
| Functional water tower | 1/2 US gallon | 3/4 US gallon |
| Functional condensate stack with drain |
Yes | Yes |
| Inches of Water meter for tank | Yes (earlier examples) | Yes |
| Water tank drain valve | No | Yes |
Parts and Sources for building my Jensen 51 Replica
| Part | Source |
| Shurite & Hobbs meters | eBay and online surplus electronic sources |
| Switches, fuse holder, wire, solder, connectors etc. | Radio Shack |
| 1000 W rotary dimmer | Aubuchon Hardware (online) |
| Console ventilation fan |
Laptop computer fan (eBay) |
| Water tower framework | Lowes Home Improvement store, aluminum L angle sold in 8 foot pieces |
| Water tank | Williams & Sonoma SS cookie jar off eBay |
| Water tank platform | Plasterer's aluminum plate, Rural King stores |
| Water tank SS downtube & valve | Tube from Online Metals, shutoff valve from ACE hardware |
| Water feed lines and fittings | Stainless steel auto brake lines, NAPA Autoparts store & Swagelok brand compression fittings, eBay |
| Condensate stack | Nickel plated brass sink drain tube, ACE |
| Condensate stack base | Gate latch with internal bolted rubber stopper, ACE |
| Hotwatt Immersion rod heaters and extra Jensen lamp posts | Jensen Mfg. Co. |
| Extensions for lamp posts | Stainless steel cattle implant needles, Elanco Animal Health...sharp tips cut off, made perfect friction fit |
| DC motor |
Removed from Meccano plastic motor housing, courtesy of Odilon Marcenaro. Mounted can motor within alum. tube scrapped from a large marker pen, and epoxied tube into nice brass mount picked up on eBay |
| DC Generator | Small stepper motor, eBay...thank you Peter Santa-Maria |
| Wood, fasteners & finishes |
Lowes Home Improvement stores and ACE Hardware |
| Exhaust tubes to stack | Modified from old Jensen 60 steam tubes |
| Console engraved nametags |
Courtesy of friend Mike Phillips |
