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Zegas Raceway


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#21 ZeGas

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Posted 01 January 2014 - 05:03 PM

Make that 30 degree bank, I'm cheating to try and get a longer straight
Cheers Grant
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#22 dangermouse

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Posted 01 January 2014 - 08:33 PM

that looks like a good track - lots of challenges - the bank turn will be fun to drive on

#23 32coupe

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Posted 02 January 2014 - 09:29 AM

Now that looks better, your going to enjoy this track a lot more now.
So what is holding you back now? come on I want to see a working model.
If you can't fix it with a hammer, you have an electrical problem.

#24 digby

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Posted 06 January 2014 - 06:06 PM

Well Done Guys, Now I can maybe catch up on some sleep and spend some time with My graph-paper.

regards digby

#25 ZeGas

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Posted 12 January 2014 - 03:48 PM

Well got a basic mockup done and already it has shown a problem, I think the straight needs to go through the viaduct with the return on top,
At the moment the left hand end is a blind corner going down into the viaduct, I sort this out when I come to the full build.

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As for the full build, it will be in my shipping container, but that has to be cleaned out first. So I have the incentive, now just need the motivation, shame there are other things to do first or I'd get stuck in straight away.
Cheers Grant
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#26 Ember

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Posted 12 January 2014 - 04:07 PM

What if you turn your layers over? The current top straight goes to the bottom. The right end sweep becomes a shallow climb which continues throught the switch backs. The current front straight can climb down a bit....

The point is the left end sweep also becomes a level change gradient and back into the tunnel.

Computers. They'll never catch on.

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#27 ZeGas

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Posted 14 January 2014 - 10:44 AM

I had considered that as it would have made it easier to reach the top right switchback if a car came off.

BUT I am left handed so my mind cannot accept driving in the opposite direction, weird huh. I have to go counter clockwise from where the cars are put on.

And also the drop back down to the grandstand would be to steep, 600mm over 3m or if the drop carried on around the corner to the left of the grandstand then the return before the tunnel it would be concealed.

Ah well.

I think reversing the level of the back straight & viaduct is the go but I'll wait till I make a start and lay it all out first.
Cheers Grant
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#28 dangermouse

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Posted 14 January 2014 - 03:27 PM

I really like your design, the model is really good at helping you visualise what the track will be like. It looks like it will be a good track, lots of challenges and features. Lots of scenery work as well :)

I had a blind corner on my track, at first it really didn't worry me and I thought I would get used to it, but then after a while it got a little annoying so I rearranged the track to get rid of it.

cheers
David

#29 ZeGas

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Posted 14 January 2014 - 04:18 PM

Hey DM,

Yeah I've been following your track as well and that drew my attention to this particular problem.

Many heads are so much better than one.

Thanks to all for everyones advice so far,

Would be interested to hear from anyone who has raced on a banked curve that you can hammer it on.

At the mo' the banked section is two radii, 750 at the top and 1100 toward the bottom, these are the banked radii not the flat.
The camber is 30 degrees.

Is that enough to hammer the cars around, I know Brent (hazefullstop) has one on his track (R=550mm, Camber=30 degrees) but haven't heard the results of it yet.

Here's the updated layout with altered proposed levels, no model with this one though.

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Edited by ZeGas, 14 January 2014 - 04:52 PM.

Cheers Grant
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#30 difinity

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Posted 14 January 2014 - 04:24 PM

Last banked curve I drove hard was the king style tracks at Hornsby and Parramatta in Sydney in the 1970's.
Big curve at Hornsby (IIRC) was close to 45 degrees, but had an inner radius of about 12'. (Say, bit over 2m).
I'm looking at at slight bank on my soon to be home track though -ore because it is a challenge for the driving style - get it right, and good and fast, get it wrong and your somewhere else in the room, not on track...

#31 ZeGas

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Posted 27 January 2014 - 12:28 PM

Or alternatively I go down the plastic track route.

Benefits
1. Can buy in bits as I can afford.
2. Can try out various corners to see if they work before final build, worried that routed track will be final so if corners don't work I'm stuffed or have to fix section. Bearing n mind it was all going to be CNC routed.
3. Would be easier to take apart in the future if necessary.
4. No braid / copper tape to lay.

Downfalls
1.Can't have custom corner radii or steep banked curve.
2. Not as grippy as wood track (could paint track though I suppose, would be interested in hearing whether this would work).

Posted Image
Cheers Grant
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#32 Ember

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Posted 27 January 2014 - 04:16 PM

Painted plastic has been fine so far.
Computers. They'll never catch on.

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#33 dangermouse

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Posted 27 January 2014 - 06:11 PM

not as grippy as wood - that is what the magnets are for :lol:

I really like your plan - will be a fun track...

#34 ZeGas

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Posted 04 February 2014 - 03:50 PM

Right, Decision made, I'm going with plastic this time, laying braid/copper for a third time has put me off.

Got the final design, this is it, no variations or alterations, none, nudda, neit.

Till next week.

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Have bought a sample of various track curves and borders, enough to try out some of the corners.

So have tried out corners 1 & 2 and that is a good start.

Also create a hybrid corner with the out of turn 4 and the in of turn 5 so it goes R3-R2-R1-R1-R2-R3 and have given it elevation up to 150mm. Man! ... this is a fun one so I am confident of the switchbacks, in fact can't wait for it to materialise.

Also tried out turns 7 & 8 to see how fast you can go round, not bad but WARNING - DO NOT put at end of long straight, early on I didn't have a breaking point and kept over running, never happens with tighter curves guess I'm more aware of them.

Turn 13 R4-R3-R2-R2-R3-R4 was also created and was a tricky little bugger to master but once sorted it is heaps of fun too, I think it is actually trickier than the hairpin corners.

Anyway that's the go for now, started cleaning out the shipping container and levelling it up a bit better last weekend, this weekend will be building a 6x3 shed so I can move more crap out of container and also will put the ROC digital track in there. Its been in storage for about a year now so will be interested to see how many mud wasp nests and spider webs are on it.

Then its just power, bench and track, that's when things will slow down again

Power - Not sure on mains or solar ATM will get prices I think and then decide, might just end up with a generator for now.

...

Chapter 2.

...

Nah ... just kidding.
Cheers Grant
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#35 shadow_rusty

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Posted 04 February 2014 - 10:31 PM

Looking good there Zegas...

The only change I would make would be to remove 1 full straight from before turn 11 and one from before turn 13.
This will reduce one overlap area making it a little easier to see...

3mm mdf is great for mounting scaley track on too...
Lay the track with borders on it, draw a line around it, and cut away...

Before I had and R3/R4's, my favourite corner was a R2 / R1 / R1 / R2.
The only thing better was when you made 2/3 of those, and followed 1 after the other in esses...
Don't forget that MJK's work really well on Scaley track too...

ps. I should build your track here before you do just to see how it goes...
lol.
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#36 ZeGas

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Posted 05 February 2014 - 09:03 AM

Hey SR,

The shorter track was in the plans but hey I love tunnels, will play around once I get all the track together and see what works for me.

Yeah I was always going to mount on 3mm MDF just not sure on securing it, I don't want to glue, and pins will not hold to the MDF it being so thin.

Damn, forgot to put the © on the image, oh well.

If you want to build it PM me and I'll send you the UR file, it would be good to get an opinion before its built.
Cheers Grant
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#37 shadow_rusty

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Posted 05 February 2014 - 10:57 AM

The scaley track mounting clips with a small nut/bolt would work well at securing it...
On mine, the track is just sitting free on the board though...

If I end up disassembling my track to go to my brothers any time soon, I'll probably build the esses section, and have a shorter straight into a hairpin for the rest...
Unfortunately for me, I don't have enough R4's to build it complete.
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#38 ZeGas

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Posted 16 February 2014 - 11:36 AM

Been trying out a couple of corners and found that if I take one R4 away from each of the two far right corners (7 & 8) and bring them back to 90 degrees I get a 40-45 degree bank.

Never thought it would work at all so tried various cars on it, really low ones. Slot.it Audi, Sideways Capri & my fave at the mo' the Black Arrow DBR9.

This is what the bank looks like

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And here is a vid of the DBR9 going round full tit at 10v, I crept up the voltage to 12v still good at full throttle and wasn't bad at 15v but the rest of the track was un-drivable, 9v-12v is best.


Edited by ZeGas, 16 February 2014 - 11:39 AM.

Cheers Grant
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#39 ZeGas

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Posted 26 February 2014 - 02:05 PM

Looks like I'm going down the hybrid route.

Got bored in the weekend so knocked up a banked curve.

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Dunno how much will be routered but there will still be scaley track for the majority I think, well at this stage anyway.

This will have a difference in elevation of around 300-400mm but hey it seems to work. 45 degree angle and all.

The shape is very consistent even though the photo does appear to reflect this, just a dip at the entry and exit that I'll have to brace up.

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I know its not the Slot Racer thing to have a banked curve but I am super curious on how well it works and if I can get full speed out of it. Might even put a barrier in between lanes we'll wait and see on that one.

Two reasons for banked curve - I want a long long straight and also that end of the track will be out of reach so want to minimise deslotting.

So I apologise to the hard core racers if I have offended them.

The hybrid track might make things interesting too.
Cheers Grant
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#40 digby

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Posted 26 February 2014 - 06:33 PM

Nice job , But I think I've found an oxymoron ( no ,not a challenged wielder of a hot axe ) " a long long straight .....to minimise deslotting".

In my world, the longer the straight the more the exercise I can expect to do , but I haven't banked the corners quite as much. It's going to be fun and always worth the risk

regards digby





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