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  1. B

    Nice 5:1 gearbox

    +1 to Hill hater Output shaft diameter Input shaft configureation Thanks!
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    What would you do a Castle Hydra 180?

    Well thank you for the help, might be better to sell it off then instead of having a high dollar paper weight :)
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    Fizzit's RC freeride build log - now with videos

    see this post 680uf 50v edit- A not to Fizzit. The no spark adapter is not compatible with castle esc's. the fluxuating voltage upon start up is not kosher with the main processor startup.. Best option would be to go to a set of tiny 2mm bullet connectors as sacrificial connectors instead of...
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    What would you do a Castle Hydra 180?

    Thanks matt. Im pm'ing back and forth with Patrick trying to get an answer if I can purchase just a Hv air logic board or somehow retrofit the software to the hydra. But im trading my sponsor (who is building a brushed electric dirtbike) A dirtbike that I got for free with a seized engine...
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    What would you do a Castle Hydra 180?

    Tommorow Im picking up my Castle Creations Hydra hv180 speed controller. I know that the sensorless controllers have a tough time at startup and with surging. On the rc forum I frequent the president of castle creations (patrick del castillo) is a frequent poster. He thinks that the esc will be...
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    RC throttle interface build tutorial........

    Depending on your input voltage This unit is good for 10s Lipo input http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=10313 Very cheap site and they have many warehouses around the globe :)
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    BE-Bike - The project starts NOW - Turnigy 130KV Brushless

    Try changing the deadband on the esc with the castle link.. i think you already know how to do that :)
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    My first build

    Even better news fellas! Been chatting with my rc sponsor. Hes working on building an electric dirtbike, and I had a blown up yamaha yz85 dirtbike that Im going to trade him for a Castle creations HV 180 esc! 400 dollar controller for a dirtbike that didnt have a future! Seems very easy to...
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    My first build

    I am Also am trying to decipher all of the markings and wire colors So far I have Yellow, green, blue are phase wires Large red and black wires are main power wires Small red,yellow, green,blue and black are hall effect sensors Along the right side of the controller. Green w/Yellow stripe...
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    My first build

    Thank you very much Jeremy. I have been studying(literally) the information on this forum. I think I have figured out what setup im going to run on my e-bike. 80-100 130kv motor -Yes i know that the 80-85 might be smaller and cheaper. But 10 bucks more for a motor with a much higher potential...
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    My first build

    Anybody?
  12. B

    My first build

    Bueller... What are the theoretical rpm limit of the 12fet controllers? Im looking at the turnigy 80-100 130kv on 12s lets say nominal voltage. 3.7v x 12s= 44.4v 44.4 x 130= 5772rpm If my math serves me correct I multiply the motor rpm by the number of poles to find the electrical rpm?
  13. B

    My first build

    WOW! those pictures came out great. they were taken on my Blackberry cell phone. I pulled apart an old subwoofer amplifier and found these mosfets. Cant find any info on these larger fets: Then there are these little guys in the standard t0-220 package P55NE06's 60v 55amp.
  14. B

    My first build

    Detailed ESC pics
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    My first build

    It has an alumium extruded case just like every other esc.. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=220665822955&viewitem=&sspagename=STRK%3AMEWNX%3AIT Says it has a LVC of 42v Have to somehow change it.. Not sure how.. Probably gonna do 10-12s
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    My first build

    Alright, Finally some of my parts! My controller came in, it was a $25 chinese special, rated for 600 watts and 48v.. Turns out to be a 12 FET board with 63v input caps, 12 t430 bv951k MOSFETS. Seems like the board has potential :) The model number of the board is Refly RFW4850-v09 230911...
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    Hall sensor positioning and spacing

    Thanks for the response Gwhy!. Ill probably make some external mounting block with the 3 sensors mounted at 17.1* and have it adjustable Does anyone know what timing advance these controllers are made to run on? The only thing I dont like about the 120* spacing is that its non adjustable, and...
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    Hall sensor positioning and spacing

    Hey guys, Im Looking to set up my Turnigy 80-85 170kv outrunner motor with Honeywell ss41 Sensors. My Controller can be set up for 60 degree or 120 Degree Hall sensor positioning. What is the difference between the two? My understanding is that 60 degree would give me a bit smoother start up...
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    Turnigy 80-85 Hall sensor position?

    Hey guys, Im Looking to set up my Turnigy 80-85 170kv outrunner motor with Honeywell ss41 Sensors. My Controller can be set up for 60 degree or 120 Degree Hall sensor positioning. What is the difference between the two? My understanding is that 60 degree would give me a bit smoother start up...
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    My first build

    I know all about Rc speed controller programming, I have an rc racing background lol. Between my Tekin Hotwire for my rx8 esc, Castle link for my castle units... I wish it were that easy, But Im using a 48v 600watt Speed controller...
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    My first build

    Would anyone care to tell me what software and hardware I need to program my speed controller? :mrgreen:
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    My first build

    Thanks hill hater, I will keep it in mind, probably just have a flange bearing of some sort
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    My first build

    Bump, What software/ hardware do I need to reprogram my speed controller? Pics of my belt drive setup 18/72 gearing with a 5x15mm htd belt
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    Big Turnigy 80-100 build thread

    Alrighty, thank you for your help, sorry to thread Jack :)
  25. B

    My first build

    Whole assembly will be on the front of the downtube. And im going to use 2in id U bolts in conjunction with slots in my motor plate that are a tight fit to the water bottle holder screws to keep the assembly from twisting around. harder to explain than it actually is :)
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