Sixtys Guy's - Racing Buggy Thread

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Sixtys Guy
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Sixtys Guy's - Racing Buggy Thread

Post by Sixtys Guy » Mon Mar 21, 2016 11:58 pm

Sooo after reading a few racing threads here I got inspired and decided to join the local RC car club. I was originally going to get a Tamiya Neo Fighter, purely because of allegiance to Tamiya and because I like the idea of being the underdog (ala Andy!). I called my mate up who is in the Club and he strongly advised not to do it! He made a couple of suggestions and I scoured the local RC BST pages and found a Kyosho RTR RB6 cheap. It seems not be a really popular buggy, but the price was right and my mate said I should jump on it.

So it turned up a few days ago and I took it to my mate to look at who also happens to work at the LHS. I picked up some new rear tyres and he advised to run 35W shock oil. He also mentioned that the rear motor isn't the best option for carpet racing. It has the 2700kv Orion combo which isn't legal for racing, but I can enter in the Novice class for 3 race meets before I need to jump into the 17.5T 2wd class. They get 15-20 people race in this class and usually the only class they have 2 mains in, so I figured it would be the best class for me. I just need to see how I go in Novice! They usually only have 4 or 5 racers and I believe most of those are kids. Just have to wait 2 weeks for the next meet..... unfortunately I have caught them at the end of their season, so after the next meet they have a 2 month break.
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Re: Sixtys Guy's Kyosho RB6

Post by andymac0035 » Tue Mar 22, 2016 2:25 am

That is a sweet buggy!
I do believe that can be converted to mid-motor as well.

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Tue Mar 22, 2016 3:57 am

Yes, I think so Andy, not sure on the cost of that. To be honest I know very little about these! I just wanted a buggy that I could race with and work the rest out from there.

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Sat Apr 02, 2016 4:48 am

So, I now get to post race results! Made a couple of tweaks to the RB6 - 35wt oil in the shocks ( as per recommendation from my mate, Richard). Proline tyres on the rear. I calibrated and programmed the esc just a couple of hours before the race meet and drove it for the first time in the backyard!

As a newcomer I was put in the Novice class. Somewhat embarrassingly I won both heats and both finals - embarrassing because I was the only adult racing against kids! There was a mix of cars, a SCT, Quannum Vandal (4wd), Durango 2wd and I'm not sure what the other vehicle was. My race plan was to not crash, and it seemed to work for me, although I did crash a few times in each race.

After the first heat the guy next to me in the pits suggested that I replace my front tyres with something with more bite. He then gave me a front set of used tyres, which helped a lot in the chicanes. The 1st final was my best (most consistent) race. I had a couple of marshalling issues in the second final and only managed to catch the SCT driver just before the end of the race.

I need a lot more practice as I would have been way off the pace in the 2wd stock class. The front runners in that class were getting 16 laps per race, although most were around the 13-14 laps, compared to my 11 laps. On my pace I would have come 2nd last (comfortably) in 2wd stock. They usually have A&B mains in that class, but only had enough for 1 last night.

I'm running the stock Orion 2700kv motor, so I need to replace this with a 17.5T motor in readiness for the step up to the 2wd stock class. This will allow me to better judge my pace as well.

All up I had a lot of fun racing - actually much more than I thought I would. I seriously need to get my eyes tested too, because I was really struggling to see on the back straight!

Really poor pic of 1st final race;
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Re: Sixtys Guy's Kyosho RB6

Post by andymac0035 » Sat Apr 02, 2016 7:06 pm

Sweet! Nice job getting a win your first time out. I wouldn't worry about racing kids, they can be faster than the adults some times.

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Mon Jun 13, 2016 7:48 am

Finally the new racing season started and I got the opportunity to race again. During the break I converted the RB6 to mid motor mount, shorty lipo and fitted a ROAR approved Turnigy 17.5T stock motor. During the off season the track was changed around also. I entered the Novice class again along with 3 kids(!). I came second in the first heat (esc came unplugged from the receiver) and won the 2nd heat and both finals.

The car drove like it was on rails, but as I didn't change the gearing it was down on speed. In the second heat I didn't crash at all and ran every lap at in 21-22 seconds, for 14 laps. Problem is that most guys in 2wd stock are running at under 19 seconds, the slower guys are still running 19 seconds. That said, 13/14 laps would have put me middle to last in the B final.

A helpful fellow racer who also runs an RB6 gave me a slipper eliminator, 69T spur and 31T pinion to try. This is what he runs and he made the A final. I tried it all out in the second final and improved my previous best lap time from 21.418 to 20.420. I'm sure that with a little more practice with that setup I can get the lap times down under 20. Only problem was with this setup the motor ran a little hot. I will play around with it at the next meet.

As a side note, I took my 8yo son and he had a practice with my HSP Breaker. He didn't race (he needs a little more practice) but he had a ball marshalling. In fact he marshalled almost every race! Once he gets some more practice in he can race in the Novice class and I will move up to the 2wd Stock class.
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Re: Sixtys Guy's Kyosho RB6

Post by andymac0035 » Tue Jun 14, 2016 3:08 am

Nice work on your lap times! It takes a while, you will get there. What temps are you getting? Using your brakes a lot, whether getting on them, or using a drag brake will make lots of heat. As you get smoother.... you will likely see your temps go down.

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Tue Jun 14, 2016 4:25 am

Thanks Andy! I've improved a lot already so I'm sure I have a lot of improvement left! I'm not actually sure what the temp was..... The fellow Kyosho driver put his thermometer gizmo on it and told me it was too high. I hadn't thought about the brake..... That last race with the higher gearing was the only race where I used the brake.... up until then I wasn't going fast enough to use it. I'm not using the drag brake. I need to try to get some practice in, they open at 4pm on race day with racing starting at 7pm, but I usually finish work later on Fridays then it's a 45 minute drive.

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Re: Sixtys Guy's Kyosho RB6

Post by darat76 » Tue Jun 14, 2016 4:30 am

to help with your temp drop 1 to 2 teeth off the pinion gear, that will allow the temp to drop a little, give you a bit more pick up, but loose some top end speed.

Trading speed for longer lasting motors always wins out in my books :)

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Tue Jun 14, 2016 9:42 am

I need to do some extra testing.... there another guy there running the same motor with a 34 tooth pinion, same spur, quicker than mine and without heat issues. I think it's worth looking into how much i was braking first. It's a little frustrating having to wait another two weeks for the next meet!

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Sat Jun 25, 2016 11:21 pm

Another race meet done and dusted.... Raced in novice class again, this time with some adults! We had 7 starters where there have usually only been 3 or 4. I managed to win both heats and finals again.

I played around with the gearing a little, but the motor is still getting a little hot. I only just found out that the class rules state that motor timing can be altered.... I had thought that esc and motor timing both had to be zero, but it's just the esc. I'm going to increase the timing on the motor and drop a couple of teeth on the pinion and see how that goes.

I didn't manage to crack the sub 20 second lap time but I got close. Laps completed would have put me middle to last in the B Main. I think I will have to move out of the novice class soon.
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Re: Sixtys Guy's Kyosho RB6

Post by andymac0035 » Sun Jun 26, 2016 12:48 am

:thumbsup: =D> :thumbsup:

Action shots look sweet too!

Still taking some getting used to for me seeing "off-road" tracks done-up at carpet or turf... after spending the last 3 years running on a clay track.
Having said that, clean-up after racing looks to be super-easy.

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Sun Jun 26, 2016 1:20 am

Thanks Andy! Yeh, I would have to say that one of the reasons that I didn't join earlier was because it was a carpet track and I think that buggy racing should be on dirt. That said, an indoor dirt track wouldn't be available here. The shed where we race sits in an outdoor 'field day' complex, basically a massive paddock in the country. There are events held there and when there are the track and drivers stand gets packed up into a shipping container. Once the event is over it all comes back out. There is an outdoor dirt track around 200km for where we race, but that club just folded, the main reason being is that they pretty much can't race in winter as it is too wet, and not many people turn up on a weekend in summer as there are too many other things to do!

There is still the competitive racing element and I am really enjoying it. Ryan needs a little more practice, but hopefully he will start racing in a couple of meets.

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Re: Sixtys Guy's Kyosho RB6

Post by Sixtys Guy » Fri Jul 08, 2016 11:16 pm

Another race meet done last night. Stepped up to the Stock 2wd class. My motor heat issues are solved. On the advice of a helpful fellow racer I increased the motor timing to +15 and no more heat issues. Doesn't make sense to me but it works. Seeing as though I had that under control I increased to a 33t pinion.

I crashed badly on the 2nd lap of the first heat and popped the top off the shock. The 2nd heat was ok, finished 2nd last. I missed the first final (B main) as Ryan needed a toilet break. I did really well in the 2nd final, finished 6 out of 9 but I didn't feel too slow. Cracked under 20 seconds a few times, almost got under 19 a couple of times. Speed wise I was thereabouts, just comes down to improving driving skills.

On another note, I'm actually thinking of getting an Associated RC10B6. It is pretty much the ultimate carpet racer, has all the fast mods as standard. Need to think about it a little more, but it might end up cheaper in the long run.
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Re: Sixtys Guy's Kyosho RB6 - Racing Buggy Thread

Post by Sixtys Guy » Thu Jul 28, 2016 12:51 am

I've changed the title of this thread as I have added a couple of buggies to the stable and want to keep my racing all in one thread.

A month or so ago I picked up a Kyosho ZX5 on ebay. It was pretty cheap and came ready with stock class electronics. My plan was to race it in the 4wd Stock class at the Club. I've had a bit of a practice with it and I find it really twitchy in the front end, so much so i didn't really enjoy driving it. That plus the fact that the club struggle to fill the 4wd Stock class I decided I would get rid of it. Before I do I removed the front drive shafts to see how it would go as a 2wd. I haven't had a chance to test it yet, but will do at the next race meet.

My son crashed the old HSP pretty badly and cracked the chassis, so I mentioned a couple of guys at the club that I was on the lookout for a 2wd buggy. Managed to pick up this Assciated B4.1 really cheap. It hasn't been run yet, but I'm hoping Ryan will step up to Novice class with this buggy.

I have been desperate to run in another class at the Club, but I don't really want to race modified or SCT, so I have ordered another buggy to race....... a Tamiya Wild One! The club are letting me race it in the Novice class. This was the first hobby grade RC that I ever owner so I am stoked to get another one, nearly 30 years later!
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