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bender

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About bender

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    http://web.aanet.com.au/fir/bender/index.htm
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  • Location
    Brisbane
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    RC, F1, computers

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  1. My car is below. It uses the CVD's and shocks off my 501x, plus 3-racing shock towers and alloy suspension mounts, and the Tamiya slipper. Not all of these mods I would call necessary, but with them the car works very well.
  2. You would never run a centre one-way with a spool up front - it would be completely pointless. A spool allows you to have 4-wheel braking. As soon as put a one-way on the car (doesn't matter if it's in the front or the middle) you lose all braking effect on the front wheels. So a car with a front spool and centre one-way would only give your rear wheel braking, therefore negating the advantage of using the spool in the first place. The reason why centre one-ways are sometimes combined with a front one-way is because the increased inertia of the centre pulley and front belt adds to that of the existing front one-way - making the car smoother off-power and not as twitchy.
  3. It's not the economy that affects my rc spending, it's the wife
  4. There were rumours that it was going to make an appearance at the recent Cactus Classis in the USA, but I'm not sure if was proven to be true or not. I'm guessing that when released, it will be like the X-Factory X6 buggy - all of Tamiya's current off-road team use the X6 as their 2wd - means Tamiya have been able to have a very good look at the design
  5. Your ride height settings seem backwards to me - I don't know of 1 single driver that has runs the ride height higher in the front, it usually lower in the front than rear by 0.5 to 1mm. With regards to your motor, it actually sounds as though you are getting some sort of interference. Are you running capacitors on the motor and if you are, are they working? They could be broken. Also, does your esc require the use of a schottly diode? I would probably fit one just to be sure. Finally, make sure your receiver aerial doesn't touch any carbon fibre parts - this can cause glitching. Motor brushes that are too short can also cause problems.
  6. With todays cells and motors, a decent nimh or lip pack combined with a good stock or mild mod motor will give you plenty of speed to be happy with. The BigWig was heavy back in it's day, but the electric equipment was far inferior to today's stuff. BTW when I raced mine back in 87, I was always in A-Final in our Junior Stock class, which usually had 30 to 40 entries each week, and most of the drivers were running Cats etc - so don't think the car was totally uncompetitive - you could get it to work quite well
  7. Mine didn't - the steering was very smooth. Any tightness in the steering will come from the steering arms and c-hubs - the 501x had the same problem.
  8. When you say that the gearboxes aren't really well sealed, do you mean that you can actually see the belts with the car fully assembled or just that the covers don't provide a perfect fit? How well does everything seal compared to a 2wd buggy gearbox for example? I have one of these pre-ordered through rc champ, but am considering changing my mind if the car is not well sealed enough.
  9. You also have to remember the caster effect at the front end - which aids in straight line stability when going forwards but would de-stabilize the car going in reverse.
  10. I think this event may have been the 86 NSW titles at the Ryde track. Ray I believe won the 7-cell or "international" class as it was known then, which was 7-cell and 4 minute races. He was a regular at the Ryde track (i know because I also was racing a BigWig there and I was always having a look at his setups etc) and was always very competitive in this class. My own BigWig was always good enough to get me into the A-Final at the Ryde club days in Junior Stock (which I thought was quite an achievement considering there'd be 30+ entrants in this class every race meet).
  11. No, the slipper is basically identical to the one on the 501x except that you adjust it from the opposite side.
  12. I just pre-ordered mine today from RC Champ. It's going to cost AU$152 and that includes the slipper clutch I think that probably works out at around US$135-140 - considering that includes the slipper and the actual design of the car is far superior to any previous Tamiya low-spec racer I'd say that's pretty good.
  13. Most people who have converted have done so because they were having issues with belts skipping or snapping on the standard setup. My 501x has always been completely reliable so I've never tried the new conversion, but by all accounts it will make the car a little more efficient. Whether this is actually noticeable on the track is another question Hupo Honigl won the European Championships this year with the stock pulley set-up. He had the new pulleys on for practice but reverted to the kit items for the event.
  14. A little Aussie history lesson for you As Hibernaculum said, the Mugen Bulldog was absolutely untouchable in Australia from about mid-1985 up until Sep-1986, and even then the car remained competitive until late in 1987, even against the likes of the Schumacher Cat. In Australia, Pit Stop, one of the early Aussie rc shops/importers developed these cars in 1985, by building on an already great base car. They added a rear wing, locked-up the rear steering, replaced the front steering linkages with CRP units, used higher quality diff balls, and finally fitted Associated Shocks. They also modified the kit wheels so that the outer rim of a Hotshot wheel would fit over, allowing you to run the Tamiya pin spike tyres (best tyre at the time here). With these modifications it quickly became the car to have in Australia, instantly making the Zerda obsolete. The Bulldog was that dominant in Australia that the Optima was seldom seen and never won much at all here- it was just never in the hunt. At the 1986 Australia Nationals held in Sydney, it was only a very rare diff failure that saw the brand new Schumacher Cat take victory and the National title. Even at the Australia National Championships in 1987, 3 Bulldogs made the A-Final of the 4wd Modified class (FYI - the other A-Finalists were 4 Cats and 1 PB Mini Mustang). The one thing it always had in it's favour was the superb drivetrain - twin belt drive with 3 ball diffs - the first of it's type, and it would be years before other manufacturers caught on to the twin-belt system. I threw my old Bulldog out years before re-discovering the joys of collecting Wish I had one now!
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