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  • Launch Rod Length? | Rocketry Forum - Model Rocketry Forums
    railbuttons com has plans for a rail that costs about $25 It uses an aluminum extrusion available from McMaster Carr and other places
  • McMaster-Carr Shipping Charges? - Rocketry Forum
    I just ordered a launch rail from McMaster-Carr, having heard of them here on TRF I kept looking for a listing of shipping charges, but didn't find it When I clicked through, I found that I had placed my order, and never got a shipping charge notice It's not even on my email confirmation or
  • What RPM do you run your grain mill at? - Homebrew Talk
    I just was gifted a 5 HP 3450 RPM motor I've got a 2" Drive Pulley connected to a 8" Driven pully on a mandrel, which I'll attach to the barley crusher via coupling The resulting rpm is 862 5 or a 25 reduction How fast is too fast? I was hoping to keep with the 8", but if I need to, I'll
  • mcmaster carr tap handle inserts - Homebrew Talk
    I'm going to place an order with mcmaster carr for various kegging supplies Anybody know the part number for a tap handle insert like these? TAPHANDLE
  • Avionics Bay and Pull-pin switch Question - Rocketry Forum
    For a triple pull-pin switch, I bought a 3' length of stainless steel rod from McMaster-Carr the same diameter as the pull-pin Cut a piece to length that is slightly shorter than the diameter of the AV-Bay Once buttoned up, push the interim pull-pin out using the real pull-pin
  • What do I cut piano wire with? - Rocketry Forum
    Hi all, Hopefully somebody can point me to the right tool Even the thin piano wire is really hard and repeated cutting has ruined three of my cutters What do you use to cut thin piano wire?
  • What gauge nichrome for DIY igniters? - Rocketry Forum
    As I said before 30ga has been the standard for Igniter making for decades If someone wants to make their own igniters buying a 1 4lb roll of 30gauge 0100" dia Nichrome is the cheapest way to go I get mine from McMaster-Carr
  • Where can I buy a 1010 rail? - Rocketry Forum
    Another on-line Very good source is McMaster-Carr They carry a number of different lenghts 6' to12' They also carry what I consider a stronger 2-slot rail, 1004 rail Cat # 47065T118 is a 1in square x 72" or longer 6105-T5 rail I tapped the center hole 1 4-20" and threaded about 2" of 1 4" Stainless Steel rod as a mounting pin
  • McMaster Carr order. . . What do I need?
    So I'm placing an order with McMaster Carr Getting Eye-Nuts and sheer pins for sure (2-56 nylon screws, 1 2") I'm just trying to make sure I order everything I might need from McMaster before I order [insert gripe about MMC shipping here] So, help me out! What else could I order from MMC
  • Large HPR Rail Base Build | Rocketry Forum - Model Rocketry Forums
    However todays pricing from McMaster-Carr is $68 39 per 6' section, plus shipping which can be costly, 15 years ago I do remember paying upwards of $30 for shipping!! Shop around, or put together a group order to save money As for a blast deflector; I have an un-used DirecTV dish that will work perfectly!





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