Recumbent bicycles · Public discussion

Old bent RANS rider

Started by BothellBob · · Last activity · 6 posts · 749 views

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Recumbent bicycles
Published
20 February 2007
Last activity
24 February 2007
Original author
BothellBob
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6
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  1. I have acquired an old RANS Stratus...reallllly old; probably brought
    out west in a covered wagon type old. The original owner said that
    years ago, just after he bought it, the frame developed a minor crack,
    so he shipped it back to RANS for repair. But first, to facilitate
    shipping, he stripped off everything: crankset, fork, tiller, wheels,
    the works. RANS fixed it and sent it back (with replaced EVERYTHING:
    crankset, fork, wheels, seat, chain, a whole new bike). So I got two
    RANS Strati (less one frame). It is a very early production version;
    27 inch rear, shifters and brake on that stick just in front of the
    seat, square "o-ring" tiller, 18 speed, and (I presume) before they
    developed that seat that everyone raves about.
    Does this thing have a serial number? I've looked all over and
    haven't found one. I am making a few modifications: moving both brake
    levers to the tiller, adding fenders, and the biggie - power assist in
    the form of an electric hub motor on the front; so I need to mount a
    thumb throttle on the tiller bar. (Any purists out there, please save
    your outrage for someone who cares, I have a gray beard, pot belly,
    high blood pressure, children who are older than the bike, all the
    prerequisites that entitle me to both a recumbent and power assist;
    thank you.) There is an obvious seam in the top middle of the bar, but
    it appears to be permanently riveted in. Sure, I can drill out the
    rivet and figure out how to resecure things later, but does someone
    know how the take it apart and reassemble with elegance?
    Anyone here powered one of these? Where did you put the batteries?
    I'm thinking of building a bracket to fit under the frame (putting
    that weight on top of the rearwheel bracket seems like a bad place for
    balance).
    Also, the cloth "fairing/pouch" that fits the tiller ring has seen
    better days. Would you recommend: doing without, buy a new one (is
    this possible?), make a new one, get a much better "real" fairing (I'm
    open to suggestions)?
    Thanks for the help,
    -BothellBob

  2. BothellBob wrote:
    :: Also, the cloth "fairing/pouch" that fits the tiller ring has seen
    :: better days. Would you recommend: doing without, buy a new one (is
    :: this possible?), make a new one, get a much better "real" fairing

    I don't think that does much.....perhaps it's good for storage, though.

  3. BothellBob said:

    I have acquired an old RANS Stratus...reallllly old; probably brought
    out west in a covered wagon type old. I am making a few modifications: moving both brake
    levers to the tiller, adding fenders, and the biggie - power assist in
    the form of an electric hub motor on the front; so I need to mount a
    thumb throttle on the tiller bar.
    Anyone here powered one of these? Where did you put the batteries?
    I'm thinking of building a bracket to fit under the frame (putting
    that weight on top of the rearwheel bracket seems like a bad place for
    balance).

    Thanks for the help,
    -BothellBob

    I have a v-rex with a hub motor on the front. It is a gearless, brushed motor laced to a 20" rim. It will cruise at about 20mph with 36volts applied. The three 12v 12 amp/hr sla batteries are right behind the seat on top of the rear rack. I think your idea of lowering the pack to add stability is a good one but in my case it is not a show stopper to have it were it is. A good electric bike can make a good bike even better if you use it more.
    Mark the biker

  4. nget' aka 'Mark the Biker said:
    BothellBob said:

    I have acquired an old RANS Stratus...reallllly old; probably brought
    out west in a covered wagon type old. I am making a few
    modifications: moving both brake
    levers to the tiller, adding fenders, and the biggie - power assist in
    the form of an electric hub motor on the front; so I need to mount a
    thumb throttle on the tiller bar.
    Anyone here powered one of these? Where did you put the batteries?
    I'm thinking of building a bracket to fit under the frame (putting
    that weight on top of the rearwheel bracket seems like a bad place for
    balance).

    Quoted message said:

    Thanks for the help,
    -BothellBob

    I have a v-rex with a hub motor on the front. It is a gearless,
    brushed motor laced to a 20" rim. It will cruise at about 20mph with
    36volts applied. The three 12v 12 amp/hr sla batteries are right behind
    the seat on top of the rear rack. I think your idea of lowering the pack
    to add stability is a good one but in my case it is not a show stopper
    to have it were it is. A good electric bike can make a good bike even
    better if you use it more.
    Mark the biker

    However, the RANS V-Rex has a front heavy weight distribution, even
    with a rider tall enough that the seat is mounted towards the rear of
    the available range of travel. A RANS Stratus will have about 60 to
    65% of the weight on the rear wheel without any load on the rear rack.
    For the Stratus, using one of the under-seat racks as the basis of a
    battery carries would be the best option, as it would minimize
    detrimental effects on handling (and in particular, low speed
    handling).

    --
    Tom Sherman - Clueless Newbie
    The weather is here, wish you were beautiful

  5. BothellBob said:

    I have acquired an old RANS Stratus...reallllly old; probably brought

    Quoted message said:

    open to suggestions)?
    Thanks for the help,
    -BothellBob

    I have a Wilderness Systems hub motor on one of my Visions. If you're
    going to use handlebar shifters, I recommend you mount the thumb
    throttle on the shifter post and then run a pushbutton switch to your
    handle bar to control the motor on/off. The only reason to keep the
    throttle is for the charge indicator. Believe me, on/off is all the
    throttle control you will need.

    Having the battery above the rear wheel makes my bike pretty awkward and
    top heavy when I try to lift and move it, but once I'm riding, it
    doesn't make any difference. What will make a difference is the amount
    of time it takes you to get the bike on the road if you try to
    make a custom battery rack for it. As in: Never.

    My bike is a lot more fun and nimble without the weight of the motor and
    battery, but I gain at least 5mph for my 17 mile ride to work over some
    pretty significant hills in Oregon City. This is the equivalent to a
    reduction in age of about 12 years and a reduction in weight of about 50
    lbs.

    --
    John Kimmel
    [email hidden]

    GET YER STINKING PAWS OFF ME YOU DAMN DIRTY APE!
    --
    John Kimmel
    [email hidden]

    "He's dead, Jim."

  6. John Kimmel said:

    ...
    Having the battery above the rear wheel makes my bike pretty awkward and
    top heavy when I try to lift and move it, but once I'm riding, it
    doesn't make any difference. What will make a difference is the amount
    of time it takes you to get the bike on the road if you try to
    make a custom battery rack for it. As in: Never....

    For a LWB bike, I would start with a commercially available unseat
    rack and battery box. The battery box can be attached to the rack
    using the standby methods of a combination of Jubilee Clips (hose
    clamps), "U" bolts, "P" clamps, cable ("zip"😉 ties, sections of old
    inner tube and electrical tape [1]. It may not be pretty, but it
    addresses the weight distribution problem and is much faster than
    never.

    [1] All of the items are relatively inexpensive and readily available.

    --
    Tom Sherman - Holstein-Friesland Bovinia
    The weather is here, wish you were beautiful

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