Aluminum or steel

Discussion in 'Motorized Bicycle General Discussion' started by Dan, Nov 1, 2009.

?

what is your frame made from?

  1. Steel

    66.1%
  2. Aluminum

    42.9%
  3. carbon Fiber

    0 vote(s)
    0.0%
  4. other

    0 vote(s)
    0.0%
  5. I don't vote in polls

    3.6%
Multiple votes are allowed.
  1. Dan

    Dan Staff
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    One, I bent the frame with a mallet (LOL, no kidding, with out steel toed boots, hammers and mallets, I would be lost) Have used home made adapters that I make out of flat stock. They are identical to Dax's wide frame adapters. ENGINE_KIT_PARTS_PAGE_4

    Can bend em in a vise using 3 bolts. Steel toed boots are for 2 stroke muffler/crank clearance issues.

    I really need to stop saying stuff like this in public, snork
     
  2. BarelyAWake

    BarelyAWake New Member

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    Hammers, duct tape, vice grips... >.<

    /wanders off mumblin'

    :p ;)
     
  3. flybytaco

    flybytaco Metal Molding Madman

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    It bolts right in .. here you go john john
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  4. Dan

    Dan Staff
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    LOL, don't forget the bailing wire BA
     
  5. BarelyAWake

    BarelyAWake New Member

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  6. fall_down_stand_up

    fall_down_stand_up New Member

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    You are the man FLYBYTACO,nice intake and carb's on those badboys....It almost looks like your engine's mounts are wider than mine....I bought 2 Raw engine's that came in last week and they are what I plan on using on these bikes....Im going to take one of the engine's down to the local wal-mart and see if it sets in nicely like yours do...The problem with the wal-mart in my town(im out in the country)they dont have the cranbrooks or the point beach....I will have to go to ftworth to check it out....
    Thanks again
    John-John
     
  7. marts1

    marts1 New Member

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    Don't think it matters much is what I was originaly going to say but then I thought of the lighter wieght of some materials and the less instance of rust.
     
  8. Nashville Kat

    Nashville Kat Active Member

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    Actually, this discussion and poll are a little flawed because almost all modern bicycles are built with tubing that is some mixture of steel and alloy in combination.

    Cruisers used to be mostly just welded steel, until recently (and I'm not sure of the advent of the lighter frame, but know them by their oversized tubes that some people want you to drill through. And I think the alloy wheel rims arrived about the same time- circa early 80's)- so now they, like most road and mountain bikes are a form of "chrome alloy", and the relative weight and tensile strength of a frame derives from its percentage of steel vs. alloy mixture.

    I know something of this because I raced USCF for 14 years back in the 70's and 80's. All aluminum bikes were introduced back then for road racing (Hi-E of Tennessee made a version) and they had great big oversized tubing that wasn't thought to be real strong and certainly not aero-dynamic, so generally smaller riders rode them. The Alan frame was a nice european version I still see occasionally for sale on e-bay). I had a frat brother who won a Teledyne Titanium bike they made in the early 70's and it was certainly light, with oversized but he was a mere 135 pounds- at 155 I kept on the standard Reynolds 531 or Columbus double-butted bikes.

    But then in the late 70's I rode for the Cool Gear/ Exxon squad, and was given an ultra-light Exxon Graftek frame to ride, which was the very first prototype of the carbon fiber frame. I liked the material and had no problems, except mine always pulled slightly to the left. When the sponser fell through, I went back to a Columbus tubed Masi.

    When I did my first build on a micargi cruiser almost a year now, I wondered here if anyone had tried to motor a Reynolds or Columbus frame. But now after messing with this thing for awhile, I don't think I'd choose to build up a Reynolds 531 or Columbus frame with a motor- they are just a little fragile I think- and certainly not a Reynolds 753 or Columbus SL tubed frame- I think the motor might break them at the seams. I have a 40 year old Peugeot PX10 I use for normal riding and it's gonna stay that way.

    But what I am going to build is a Schwinn World Traveller I got for $5 last summer and you may have seen it here. I'll re-post. THe frame tubing is still pretty lightweight chrome alloy, but a little more rugged than a road racing bike. I'm waiting now on a 48 cc slant head kit, that I chose to keep the weight and vibration down (The Micargi cruiser, with 36 sprocket goes as fast as I want it to, at age 55!)

    So anyway I think this bike may do well with a chrome tank, a chrome extended muffler, a narrow regular bike chain and sprocket on the motor and the newer slant head motor with needle bearings and steel sleeves which I hope will still pedal like normal- I'll probably leave the rear derailleur on, although I have a single freewheel I may go with. I project a finished weight of about 35-37 pounds, before fuel.

    Happy motoring!
     

    Attached Files:

    #28 Nashville Kat, Nov 2, 2009
    Last edited: Nov 2, 2009
  9. flybytaco

    flybytaco Metal Molding Madman

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    thanks john I apreciate it. the jet engines have a larger frt mount I forgot about that
     
  10. flybytaco

    flybytaco Metal Molding Madman

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    I bought a steel sleeved slant head grubeee and ended up throwing it in the trash wouldnt even move my bike
     
  11. Nashville Kat

    Nashville Kat Active Member

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    Hey falldown- where DID you get that intake? Is that carb from Zoombicycles?
     
  12. fall_down_stand_up

    fall_down_stand_up New Member

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    FLYBYTACO,man if I only new the jet ingines had a larger mount I would have bought them.....Now Im going to have to make a U clamp mount.....Oh well I have the engines now so I have to deal with it.....
     
  13. Dan

    Dan Staff
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    That is awesome. Linkage for the "jet"? I was gonna build a PB for my nephews for Christmas. Really is not a great fit with the adapters I make.
     
  14. fall_down_stand_up

    fall_down_stand_up New Member

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    I got it from thatsdax,its a aluminum intake....here is the link,scroll down about halfway....It only cost 2.99....

    ENGINE_KIT_PARTS_PAGE_2
     
  15. flybytaco

    flybytaco Metal Molding Madman

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    linkage? jets are the best i am hooked gonna try a slant head skyhawk next for kicks
     
  16. Dan

    Dan Staff
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    Can you provide a link to that supplier or name? Would it be a powerking FBT?
     
  17. Technocyclist

    Technocyclist Motorized Bicycle Senior Technologist

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    Steel frames... OLD can be expanded, if you have rear hub size issues... :)
     
  18. flybytaco

    flybytaco Metal Molding Madman

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    yea thats the motor but srry i only deal with pirate cycles lol the extra money is worth it for customer service anydayyyy
     
  19. xlite

    xlite New Member

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    Aluminum frame for pedal bike, steel for motorized. Aluminum rims for both type.

    I LOVE my three aluminum Raleigh Techniums ($5 flea market) and can't beat the Magna Glacier Point ($43 Target) for motors.
     

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