Author Topic: The Beast of Turin  (Read 3157 times)

TheGiantTribble

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Re: The Beast of Turin
« Reply #30 on: 15 Oct 21, 11:07 am »
Hell's teeth that things looks amazing Adrian!!!

Adrian

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Re: The Beast of Turin
« Reply #31 on: 17 Oct 21, 11:23 am »
Thank you chaps, hope you like it as much when you see it.
:>)
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Andy_B

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Re: The Beast of Turin
« Reply #32 on: 17 Oct 21, 07:10 pm »
Bonkers!! love it  :)

Chris L

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Re: The Beast of Turin
« Reply #33 on: 17 Oct 21, 07:49 pm »
Amazing Adrian.  Love It !!!  Well done

Chris L

Adrian

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Re: The Beast of Turin
« Reply #34 on: 20 Oct 21, 12:16 pm »
I have just removed the engine mounts and I am going to reposition the engine. I am going to make the area bɛtween the rear axle and the back end of the chassis much stronger and stiffer. I want this to be simple and strong with none of the issues the Renault had pre Jimmy-de-Fish.
Now the Renaults OK theres no rush, now but I will keep you informed as the comic details are made and fitted.

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RhysN

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Re: The Beast of Turin
« Reply #35 on: 21 Oct 21, 03:44 pm »
Great idea Adrian.
We must avoid torturing our brains with false problems, it occupies but it can annoy. In jest!

Adrian

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Re: The Beast of Turin
« Reply #36 on: 21 Mar 22, 03:06 pm »
A swift update on the Beastie.
I removed the engine, mounts etc and had a good think.
As a result I moved the engine as far forward as I could by building an engine mounting box from 1" square and fixed that in the chassis. belt and braces wise. See photo.
Not enough room for the Torque Converter so we have a standard clutch with ten teeth driving a 70 tooth platewheel on the layshaft so we should be OK with the Gearing (ish).
I have ordered another big platewheel to drive the diff and a 55 tooth gear to go on the diff. The whole drivetrain is on 428 chains.
I still have the mocked up final drive chains on the outside (driven by the layshaft) but the gears are free to turn on the axle. I tried to find a way of driving the axle via the chains but with a diff. I gave up on that.

One of our kitchen dinning chairs has gone missing! One of those nice red plastic blow moulded ones from Habitat. Its a real shame because I think it would have fitted in the Beastie quite well, with a little cutting down of course and it would have had a nice red cushion on it too.
Still, never mind.

I have fitted a new floor (in the Beastie not the kitchen) and am looking for a way of making the pedals and of course, a seat. Something will come to mind I'm sure.
Then its back to detail work like painting and weathering and getting the exhaust flame to flash!

The engine in it by the way has a some beefy valve springs, Aluminium flywheel and connecting rods, a bit of advance timing (7 deg) and some new carb jets so she should go a bit. (She looks big and heavy but she's not. All very light indeed).
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TheGiantTribble

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Re: The Beast of Turin
« Reply #37 on: 21 Mar 22, 03:53 pm »
Magnificent!!!

David F-R

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Re: The Beast of Turin
« Reply #38 on: 21 Mar 22, 04:44 pm »
A real Beastie - excellent.
Love the try it, test it change it if needed approach. Paper is very over-rated.
I'm not quite as green as I'm cabbage sounding.

Adrian

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Re: The Beast of Turin
« Reply #39 on: 10 Apr 22, 11:45 pm »
I have bought a new rear axle and diff.  The axle is 1" in diameter but has no key-way so will have to mill that in.
Changed the clutch to 12 teeth (you were right Rhys, ten teeth are for 420 chain) so gearing has gone longer so will change the driven plate wheel for a bigger one. I want the gearing as low as possible so it will accelerate better.
Engine is all to stage 1, well 1 and a bit to be honest BUT ITS A BIG BEAST dont forget.
New carb arrived on Thursday last week and I am making a new manifold for it which is longer than the standard one so should give a little more torque. Re-cut the valve seats to 30 degrees and radius-ed off the inlet valve thereby effectively increasing it's diameter.
I'm getting quite exited by it again.
:>)
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Adrian

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Re: The Beast of Turin
« Reply #40 on: 14 Apr 22, 05:10 pm »
Chris at Gemini has been very helpful with gearing ideas.
I new have a twelve tooth clutch pinion driving a 60 tooth sprocket on the layshaft. A 31 tooth sprocket on the layshaft drives the 55 tooth diff sprocket.
That's it now. Spent enough on the bugger.
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Adrian

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Re: The Beast of Turin
« Reply #41 on: 16 Apr 22, 08:49 pm »
HELP! required because I don’t know why it’s not working and I don’t want to have to take the engine apart, though I guess I may have too.

The attached photos show my nailed together test rig for the engine. Its not pretty I know but it does what I want it to do which is more than I can say for my engine.
I filled the engine with semi-synthetic oil and the tank with half a gallon of petrol.
Set the throttle to just open a little, choke on and PULL!
Nothing.
Pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, (choke of) pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull.
Nothing!
I know these engines and I know how to start them!
OK so pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull, pull.
Whew!
I connected the fuel inlet pipe to the overflow pipe and flooded the carb, petrol coming out of everywhere.
Pull, pull, Varoom! Wow it started, sounded great and responded well to the throttle. It was just warming up nicely when it faltered (like it was running out of petrol) and then stopped. 

It would not start again.

Plug looked a bit fouled so stuck the blowlamp on and put it back it. Nothing!
Its like there is no suction through the carb yet when it ran, it sounded great.
If anyone has any idea of what the problem might be, please let me know. 
=I>(
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jim

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Re: The Beast of Turin
« Reply #42 on: 17 Apr 22, 06:11 am »
Sounds like a fuel issue Adrian. The plug will be black if your flooding the carb.
If you can drive round corners, you're not going fast enough.

RhysN

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Re: The Beast of Turin
« Reply #43 on: 17 Apr 22, 07:16 am »
Are you trying to run with the white cap over the intake as in the pic? It shouldn't be there.
We must avoid torturing our brains with false problems, it occupies but it can annoy. In jest!

StefanN

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Re: The Beast of Turin
« Reply #44 on: 17 Apr 22, 10:44 am »
Sounds like fuel.   I presume the plastic cap wasn’t there as can’t imagine how it would have run at all.   Did you use the “choke”/ fuel enrichment to start?

Is the bare wire end your kill switch?  Any risk that’s earthing as the engine moves?