Corza's Barracuda Build

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Corza's Barracuda Build

Postby Corza19 » Sun Jan 11, 2015 9:19 pm

Hello, I'm Corey, I'm 16 and live in a small country town in VIC. I have wanted to build a Cuda for a while now and I have just got the plans for Christmas... As I'm 16 I don't have much money to buy parts and what not; but my Dad owns the local engineering workshop in town so I do have access to all the steel, tools, welders and nuts/bolts I need etc.

I have a few ideas in my head of what I want to do/have on the buggy. I am planning on having Edge shocks (now rethinking this), a Hayabusa engine (Busa-Cuda :P ), adding trailing/track arms/rods to buggy. I hope to have a rolling chassis to start with (without shocks, axles, brakes etc just rolling), then set it aside and work on accumulating parts, money and what not, then one day finish it or decide to build another one... I plan to use the buggy on dirt (paddocks, trails/tracks) and maybe a bit of beach driving. I don't plan to use it on the sand dunes.

Engine- This is probably going to be the last thing I get for my Cuda and a few years away still but could Tony and the guys at EDGE source an engine for me? Is this something you do? Also I read a thread of Foggy's saying he has a mate, Ron, who has lots of bikes etc for sale; this thread is 6 years old now though. A couple of questions anyway:
- How much for an okay/good Busa engine? What yr/km should I be looking for?

My plans may sound a bit bizarre but I'm only 16 and have no money to buy parts so I can only do the bits that don't require buying lots of parts. I will update my progress as regularly as possible and I'm also putting photos on Instagram; my account is corzab19

Also a few questions I have:
- Is reverse something to worry about? Would I need it at all?
- Gearing; size of sprocket at engine 12, 13, 14 or 15?
- Are Coil-Over Shocks or Gas-Air Shocks better?
- Clutch; hand lever on shifter or a foot pedal arrangement?
- Is there much foot room? ie. Could I have a clutch, 2 brake pedals, and an accelerator?
- Should I be making jigs or save time and just build the buggy?
- Mudguards/panels? I have seen a lot of "enclosed" Cuda's but then lots with an open frame
- Any tips or things I need to watch out for during the build? Any mods to the plans I should make?
- Could anyone comment on how the Cuda handles? Does it tend to grip and understeer or does it tend to want to drift?

Sorry for so many questions :D Thanks
-Corey
Last edited by Corza19 on Wed Jan 14, 2015 10:11 am, edited 2 times in total.
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Re: Corza's Barracuda Build

Postby Jet » Mon Jan 12, 2015 1:35 pm

Is reverse something to worry about? Would I need it at all?
Not really! its usually only required for CAMS racing, i wouldnt worry TOO much about it, it is handy sometimes but.
- Gearing; size of sprocket at engine 12, 13, 14 or 15?
14 to 60 we found to be the best.
- Are Coil-Over Shocks or Gas-Air Shocks better?
Air Shocks are lighter and easier to adjust.
- Clutch; hand lever on shifter or a foot pedal arrangement?
i prefer foot clutch but hand clutch you can get use to.
- Is there much foot room? ie. Could I have a clutch, 2 brake pedals, and an accelerator?
yes there is enough room for it.
- Should I be making jigs or save time and just build the buggy?
Make Jig's for Arms if your not buying them from edge, and spend extra time of the frame double checking and making sure its all square rather than jig.
- Mudguards/panels? I have seen a lot of "enclosed" Cuda's but then lots with an open frame
don't bother, usually only for racing.


- Could anyone comment on how the Cuda handles? Does it tend to grip and understeer or does it tend to want to drift?

drifts when driven hard! (like is should)
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Re: Corza's Barracuda Build

Postby Tony » Mon Jan 12, 2015 1:40 pm

Edge do not supply engines.
We leave that up to the customer to source.
Expect to spend for a Busa Gen 1, (99-07') approx $4,000.00
A Gen II Busa, (08' onward) around $5,000.00
Up to around 18,000 ks is good.

Sprocket size around 15-60 ratio.

Reverse is a personal thing.
It can be handy, but I drove buggies for years & never really needed it.

Clutch.
Again a personal thing.
I prefer a hand clutch & I would say it creates a much faster shift.
Some people like their buggy set up like a car with a foot clutch.
Four pedals is tricky to use.

Mudguards not required.
Panels are a good idea.

Handling depends on the setup, engine, tyres, tyre pressure, suspension set-up as to Caster, camber, toe, gearing, terrain & who is driving it.
But generally speaking the Barracuda handles awesome.
It has won two National offroad championships for good reason.
Slow speed corner entry it can understeer.
But you drive the buggy on throttle oversteer.
It's a driving technique you quickly learn.
You can easily steer the buggy in tight corners with throttle application.

Jigs do help get things straight & symetrical.
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Re: Corza's Barracuda Build

Postby Corza19 » Mon Jan 12, 2015 9:51 pm

Thanks so much for the answers Tony and Jet, that's really helped me.

A question for Tony. In the plans for the lower rear a-arms, the nut housings on the end are not on an angle; I've read lots of other threads where people have had clearance issues with the CV so the nut housings have been tilted on an angle to give more clearance. My question is what angle should they be on? The date on my plans says 15/12/05.

I will post some photos soon of my progress :P

Also, great work on the X2 Tony, looks great!

-Corey
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Re: Corza's Barracuda Build

Postby Tony » Tue Jan 13, 2015 10:18 am

Some time ago we started making the rear arms with the nut housings at an angle as we started using CV overboots.
These are CV boots that go over the outside of the CV joint.
To get them to work more clearance is required around the CV joint.
20 degrees angle.
Make all of the lower arms from 25NBx3.2 Pipe.
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Re: Corza's Barracuda Build

Postby Corza19 » Tue Jan 13, 2015 12:47 pm

Thanks for that Tony :)
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Re: Corza's Barracuda Build

Postby itchyback » Tue Jan 13, 2015 9:34 pm

interesting link about that gearbox thank you.
as for suggestions about mods.
1. everything would be awesome as is, so no need to stress about it, especially for a farm basher that youre planning
2. read other peoples builds, you'll get heaps of suggestions.
Some things i would consider when building again: (when, lol)
- using rod ends instead of the plastic bushings on the front and rear AA arms (maybe stronger than the plastic bushings)
- adding 10cm to the engine bay length (just easier to fit stuff in)
- on the front upper suspension arms, use a separate pipe for the furtherst rear pipe and no connector piece (that bit closest to the hip rail) and join the rear and front pipe with a rod end, (apparently makes for easier adjustment)
- spoiltone has a cool gear linkage setup which apparently feels better than the push pull cable (search his build thread)
- make sure the seats are waterproof not fabric like mine
- i like coilovers because i think they look cool. i also think i read they are quicker than air shocks (ie when moving quickly over uneven ground) but i could be making that up.
and because i would like to be clever i would
build cams spec, attempt to use a direct drive with a diff with a turbo series 2 hayabusa engine and possibly 4wd. but for a first build, keep it simple.
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Re: Corza's Barracuda Build

Postby Corza19 » Tue Jan 13, 2015 10:44 pm

Thanks for your suggestions Itchyback, I will take them into consideration :P I have read Spoiltone's thread and I was planning to use a gear linkage rather than the push/pull cable as he did.
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Re: Corza's Barracuda Build

Postby Dylan_ZX-Cuda » Tue Jan 13, 2015 11:03 pm

Hey mate,
Thought about club racing?? You said you were in victoria well torc runs up at kyneton but i dunno how far that is from you. If you down to a meet youd be able to have a look at various buggies including my barracuda to gets some ideas etc. Just a suggestion

Cheers dylan
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Re: Corza's Barracuda Build

Postby Corza19 » Wed Jan 14, 2015 10:08 am

Hi Dylan,
I haven't really thought about it no, but Kyneton is about 3.5 hrs from where I am... And also I'm not going to build a CAMS spec Cuda so I wouldn't be able to race I don't think. Maybe one day ill make it down there to have a look.
Thanks anyways
-Corey
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Re: Corza's Barracuda Build

Postby Corza19 » Sun Jan 18, 2015 8:36 pm

I've finally got some progress to show you guys...

Cutting the base frame with the cold saw
Image
All the pieces cut out
Image
Laid out on the floor
Image
Welded
Image
Image

Please note the cross bar at the end of the nose bars is just taced there for the moment and will be removed later.

I've decided a few things about my Cuda; after reading some more threads I came across Russell's Piranha then his Cuda and I plan to copy his pedal assembly. Clutch, two brake pedals connected with a bias for front etc, and accelerator.

I am currently waiting on the laser cut parts to arrive which should be a about a week away.

I have a question to ask. Should I save my money a little bit and buy smaller bits, eg. Seat, wheels, harness, shocks etc. Or save a lot of money and look for a engine/bike to buy? An odd question sorry but I have almost $1K at the moment so....

Thanks
-Corey
Last edited by Corza19 on Sun Jan 18, 2015 9:18 pm, edited 1 time in total.
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Re: Corza's Barracuda Build

Postby Tony » Sun Jan 18, 2015 8:46 pm

Looking good.
Concentrate on getting the buggy on it's wheels.
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Re: Corza's Barracuda Build

Postby Corza19 » Sun Jan 18, 2015 9:02 pm

Thanks Tony :)
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Re: Corza's Barracuda Build

Postby Corza19 » Mon Feb 09, 2015 9:36 pm

Hello again,

Slow progress on the Cuda but all is well, no rush or anything just take my time…

The laser cut parts arrived today :mrgreen: ;
Image
Image
Image
Image

Ive noticed the pieces are very difficult to join the slots together completely… Are they meant to be this way? Oh well, I’ll just force them…

I know what most of the bits are but some I don't know, a few little tags etc. Could someone please tell me what this is and where it goes? :oops: (By the way there are 2)
Image

Some pics of main roll bar;
Image
Image
Image

Ive also started to make a gear shift lever :P ;
Image
Its not done yet, going to nurl the handle still and clean it up a bit. I made it approx 600 long so I can mount it on the floor (I like the feel when it pivots from low (if that makes sense)) and run a linkage. Also made it so I can use the same bushes as standard.

I have also made the decision to grab whatever motor comes up for the right price… Maybe I’ll have a Busa one day but I'm sure any 1000cc big bike motor with hopefully 150+ HP will be more than enough for me.

Thanks again
-Corey :P
Last edited by Corza19 on Tue Aug 09, 2016 1:31 pm, edited 1 time in total.
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Re: Corza's Barracuda Build

Postby Tony » Tue Feb 10, 2015 5:25 pm

The plates with the bat wings are for the front lower arm shock mounts.
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Re: Corza's Barracuda Build

Postby Corza19 » Tue Feb 10, 2015 8:22 pm

Ahhhh, of course! I understand now :lol:

So are the pieces meant to be hard to push together?

Thanks
-Corey
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Re: Corza's Barracuda Build

Postby Tony » Tue Feb 10, 2015 9:05 pm

It could be how your laser cutter cut the parts.
Some laser cutting companies adjust the drawings to allow for the kurf, (laser thickness).
I draw the parts as if the are cutting on the line, the kurf has already been allowed for.
So it could be that, or burrs on the part.
If they fit together with a tap fit then thats good.
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Re: Corza's Barracuda Build

Postby Corza19 » Tue Feb 10, 2015 10:09 pm

Okay, thanks again Tony :)
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Re: Corza's Barracuda Build

Postby itchyback » Thu Feb 12, 2015 1:28 pm

I had to round mine off with a file the little tags for inserting (i drew them myself)
the holes for inserting the tags into had round corners presumably from the shape of the laser. whereas the tags had square edges. once i did that it was easier.
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Re: Corza's Barracuda Build

Postby Corza19 » Thu Feb 12, 2015 8:40 pm

Thanks Itchy, going to do that with my bits,

Still unsure on a couple of bits :oops:

1. Fuel tank mounts??
Image

2. Pedal box mounts??
Image

3. Go on the front uprights somewhere??
Image

4. No idea (help)
Image

5. Not sure, something to do with adjuster nut housings?
Image

If someone could please tell me what they are/where they go would be greatly appreciated thanks
-Corey
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