Rover seat question

Hello - just got my first Terratrike a few weeks ago and love it! Every once in a while on a path or steep hill the back wheel will spin (not have enough traction) - right now the boom length is as far extended as it goes and the seat position is almost as far forward as it goes. My question is if I get the boom length shortened and slide the seat toward the back - would that put more weight on the back tire and less likely to spin? I purchased used so I don’t have manual to know suggested set-up - I am 5’ 10” - thanks!

Comments

  • Welcome and hope you enjoy your Rover as much as I do!

    Did you buy your trike at a dealer? If so, you are supposed to take it back in 6 months for a check up. They make sure everything is working right. You could ask them about it then or go back sooner. They definitely want you to be satisfied with your trike.

    You didn't mention your weight but I am the same height and the first dealer had my boom in a little and the seat moved back. After I moved and took it to another dealer, he said the set up was wrong, pulled the boom all the way out and moved the seat up. I never have issues with the wheel spinning but I also put 24" wheels with 1.95 all-terrain tires on it. I did not like the smooth original tires and the wider tires give a smoother ride.

    Let's see what others say on this site but an adjustment may be needed.
  • edited October 21
    Sizing: http://www.terratrike.com/sizing.php
    Rover Assembly: http://www.terratrike.com/media/docs/RoverManual.pdf
    New Rover Manual: https://terratrike.com/media/docs/NewRoverManual.pdf

    Oddly none of these are under the Manuals link above, but the Sizing is.
  • Sizing: http://www.terratrike.com/sizing.php
    Rover Assembly: http://www.terratrike.com/media/docs/RoverManual.pdf
    New Rover Manual: https://terratrike.com/media/docs/NewRoverManual.pdf

    Oddly none of these are under the Manuals link above, but the Sizing is.

    I asked the same question about 3 months ago. I was told one should aim for equal weight on all three wheels. You can do this by knowing the trike weight, your weight and a take a weight under the rear wheel with you in the seat, legs on the pedals. So if you weigh 250lbs, the trike weighs 50lbs ,that equals 300lbs. Divided by 3 you get 100 lbs.
    If however you have very short legs then you have to put the seat in a position to get on and off the trike. That could result is a weight shift away from the ideal.
  • Essentially you want the weight in between the front and rear wheels, however you also want your knees over the top of the front axle.

    When I got my Rover last year the incompetent dealer had the boom all the way to the front, and the seat was all the way forward. This was very dangerous.

    Here was the showroom model, and the salesman scooted the seat forward to accommodate me. Was not able to take for a test ride as the handles were too narrow and the dealer had no wider handlebars. So purchased it, ordered the wide handlebars, and in a week was riding - still unsafely.
    36266135212_fbfca4acd6_b.jpg

    Another view of how bad the dealer had set it up...
    37583020400_3728e11d08_b.jpg

    Thanks to a few good folks here in the forums they coached me to get the trike set up for me. When I did the X-Sema thing, and @Jrobiso2 game me a shot of his boom's length and I was getting her set up correctly. :)
    iq7ljaekac0j.jpg

    Ended up with a shorter boom, a chunk of chain removed, and things have been A LOT smoother since!
    37809023212_f77d6c425f_z.jpg

    37130641024_2b0199fbe9_z.jpg

    Here's a more recent photo of a church member taking Rover for a spin. Although the trike was not adjusted to him, you can get a feeling where one's knees should be in relation to the front axles - over the axle.
    37840707261_2eacceb871_z.jpg


    Having an editing bug again... so trying to repost... /grr
  • Corrected two words the the reply got trash-canned. I HATE that bug!
    Have since learned to ctrl+c and then ctrl+p after a page refresh to curb that annoying bug.
  • Got my Rover a few days ago. Still setting it up. With the crank and pedals changed out, seat back and somewhat reclined I get 90 lbs on the rear wheel. 220 lb rider, 45 lb trike, 265lb total. 1/3 weight on rear wheel, Supposedly have a 38" ext measurement which had the boom at the middle mark as received from the factory. Had to pull the boom out 1 more inch.
  • Actually, wouldn't you want half the weight on the rear wheel and half split between the front two. I always thought you needed to balance your weight between the front and rear wheels. If I'm wrong, let me know.
  • I was under the impression that one wants equal weight distribution. I guess the real answer is riding the trike. I do not think I would want the seat much further back, got to be able to put my feet down. There is a weight distribution range that probably works well as long as one avoids having the seat too far forward and a panic stop could cause an endo.
  • Ultimately you tune the Ride to the rider
  • http://www.bentrideronline.com/messageboard/showthread.php?t=131886

    Long posts on trike weight distribution. Short version, everyone has their own experiences and opinions on weight distribution. So as TCEd, said "you tune the ride to the rider."
  • Hmmmm. After the BBSHD installation I had intended to weigh at each wheel with pilot, stoker, and water bottles aboard. I understood optimum was 1/3 total weight at each wheel ... not sure where I picked that info up.
  • Southbound wrote: »
    Hmmmm. After the BBSHD installation I had intended to weigh at each wheel with pilot, stoker, and water bottles aboard. I understood optimum was 1/3 total weight at each wheel ... not sure where I picked that info up.

    Tandems are a different catagory compared to singles. There isn't a lot one can do to change weight distribution other than a rider,stoker gains, loses weight. One hopes the manufacturer designs the device with a window of acceptable weights fore and aft.
  • I would think that you want to balance rear and front, treating the front pair as one wheel for distribution purposes. By having only 1/3rd on rear (because you are thinking of the front 2 as separate) you may actually have much less traction on the driving wheel.

    Everyone has an opinion, and that's mine. Go for 1/2 the weight on the rear wheel.
  • http://hellbentcycles.com
    1/3 way down on left is a primer on trike design. If you want some interesting reading on trike design down load the pdf. I remember buying these plans years ago when I built a trike. I used the plans to design the front end of my trike.
    His opinion is 70-30 weight distribution.
  • 70/30 is a good recipe for a catapult launch when seriously honking the brakes. rearward weight decreases that opportunity.
  • Perhaps we can get TT to let us know how there engineers envisioned owners weight distribution.
  • That would be very helpful!
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