Bare Chassis of the new iWaver 04 BigFoot

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    • January 19, 2006 at 6:54 am #11562
      Avatar photoAaron
      Keymaster
      • Posts: 2146

      Haven’t seen many pics of these crop up so when one came in to workshop for a FET job I snapped a few pics.

      We have (in order):
      The overall bare chassis. It’s quite different in the centre section to the Mini-Z and Firelap Monsters. Most people had expected them to be the sameish in the middle. They’re not.

      Front Suspension. Definately independent by wishbones, works very well but looks a little flimsy.

      Underside of front suspension. You can see the complexity but also get an idea of the lightweight construction used.

      Underside of rear suspension. It’s a neat looking system but I can’t help but think it’s a very complicated system that doesn’t work that well on the bench.

      Rear suspension off. It is easier to remove the rear section, 4 screws – two for the motor wiring and two (yes only two) for the rear suspension mount. The rear mount flexes more than the springs do!

      --
      Site Owner Guy.

    • January 19, 2006 at 7:08 am #43966
      Avatar photoAaron
      Keymaster
      • Posts: 2146

      The Rear “pod”. I couldn’t really gauge the effectiveness, but to me it seems like overkill when the main shock mount bends and twists around long before the springs compress.

      The Rx board has changed little. FETs are still top mounted with no pexky black box in the way. Still lousy 9110 steering but it does feel for linear and stronger using a “proper” servo setup.

      And the reason the chassis is here. The Forward drive FET has seen better days…

      The new 3×2 IRF7317 stacks fit under the top cover! No more cutting needed.

      --
      Site Owner Guy.

    • January 19, 2006 at 7:15 am #43967
      Avatar photoAaron
      Keymaster
      • Posts: 2146

      And finally something not so good. The steering knuckles were in appaling condition. The shafts not round, instead ground into a weird rendition of filed roundish.

      Then there’s the fact one axle wasn’t even instered into the knuckle correctly – seriously limiting turning ability.

      --
      Site Owner Guy.

    • January 19, 2006 at 7:17 am #43968
      Avatar photoAaron
      Keymaster
      • Posts: 2146

      Overall:
      I would rate this as a very credible first effort in R/C design. The front suspension despite my questions over durability is exceptional in function on the bench and would probably address many of the handling concerns of the rigid axled Mini-Z and Firelap Monsters.

      The quality of the steering knuckles really has me concerned, but alloy replacements would resolve that pretty quick.

      --
      Site Owner Guy.

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