December 20, 2008    trailerpushes.com      SITEMAP        Twin Paradox (pdf)
                                                           Twin Paradox (html)

Step by step diagrams for PowerTrailer:

   THIS WILL ALMOST CERTAINLY END UP AS A THREE WHEELER, 
   RATHER THAN A POWER TRAILER.  THE ISSUE IS JACK-KNIFING.  
   

Power Trailer 1
Power Trailer 2
Power Trailer 3
Power Trailer 4
Power Trailer 5
Power Trailer 6
Aero   view 1
Aero   view 2
Aero   view 3
Aero   view 4
Aero   view 5
Calculations


Parts for PowerTrailer, a battery powered 
electric trailer that pushes your bicycle:


Currie 1000 watt motors 
with free wheeling 
sprocket.                   2 at $110 each       monsterscooterparts.com


Kelly DC Controller         1 at $219            electricvehiclesusa.com
24-36 Volt 300 amp
KD36300


Trojan "T-1260 Plus" 12V    3 at apx $200 each   Special order through
Deep Cycle Batteries                             Batteries Plus


Currie 12-1/2" x 3.0"       2 at $48 each        monsterscooterparts.com
Rear Wheel Assembly 
w/Disc Brake Rotor


Special 2.7" sprockets
for wheels (32 teeth)       2 at $18 each        Order through me
(for increased speed)


#25 chain 36"               2 at $15 each        monsterscooterparts.com

Kelly KP Series 0-5K        1 at $98             electricvehiclesusa.com
Throttle control
KP_0-5K

Brake calipers
left and right              2 at $18 each        monsterscooterparts.com    

Brake cables                2 at $10 each        monsterscooterparts.com    

Throttle cable              1 at $10             monsterscooterparts.com

Brake levers                2 at $10 each        monsterscooterparts.com

------------------------------------------------------------------------
Total for the tech stuff:   $1400 plus shipping


Trailer joists                                   salvage yard
.75" x 1.5" 
maple or oak flooring

1/2" plywood
(Not treated -
 too heavy.)

Lots of brackets & bolts