Standard Parts

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Standard Parts

Postby Martin Kemp » Sat Nov 16, 2019 12:30 pm

Panda wheel bearing.jpg
Panda Mk 1 Front Wheel Bearing
Panda wheel bearing.jpg (194.92 KiB) Viewed 3830 times
This thread is for useful standard parts for car builders.
Some are production car units and some are parts that can be used from the Falcon parts bin for other peoples cars.
Some I hope will come from other builders.
As well as actual parts, advice on how adapt existing bits for use in a 750 car would also be useful here.

To start the ball rolling here is a useful little wheel bearing.
This is the Mk1 FIAT Panda 45 1980 -1994 Front Wheel Bearing and costs between £25 and £45 each.
It can be used for front uprights by mounting on a fabricated frame and, instead of the drive shaft, putting a big bolt and washers through the middle.
The hub fits Panda or Seicento discs or could be re-drilled for an alternative PCD.
On my car I have fitted wheel studs to the hubs because wheel bolts are a nuisance when changing wheels.

I have also fitted these units to the rear of my Falcon but I wish I hadn't, because the Mk1 Panda drive shafts are unique, expensive and the wrong length so they have to modified.
Instead for future Falcons I have designed an aluminium version that will accept Punto Mk 2 drive shafts which are the right length and robust enough to use secondhand.

My next episode will cover a fabricated front upright to suit the Panda wheel bearing,

Martin
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Re: Standard Parts

Postby Martin Kemp » Sat Nov 30, 2019 4:30 pm

ALLY BEARING HOUSING.JPG
ALLY BEARING HOUSING.JPG (65.1 KiB) Viewed 3683 times
The Panda hub in my previous post is OK for front hubs but needs modified drive shafts for the rear which is a real pain, so I have designed a new aluminium hub that can be used front or rear. It will be machined from solid by our sponsor Carbinium Engineering and utilises the more robust wheel bearings from the Seicento.
These bearings will allow the use of standard Mk2 Punto driveshafts which are stronger than the Panda ones and need no modification.
The hub and brake disc also come from the Seicento and the whole assembly can be bolted into a fabricated upright,

Martin
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Re: Standard Parts

Postby Martin Kemp » Sat Nov 30, 2019 4:42 pm

FRONT UPRIGHT ASSY.JPG
FRONT UPRIGHT ASSY.JPG (94.05 KiB) Viewed 3682 times
Following on from the new alloy hub bearing housing here is a complete unit. This the new standard front upright for the Falcon and is made from laser cut sections welded together. The blue part is the new aluminium bearing housing
It can be used for other suspension geometries by substituting different length spigots top and bottom and modifying the steering arm length.
The picture shows it without the brake disc but shows a spacer on the hub to ensure the disc clears the attachment nuts.
The caliper lugs suit Wilwood Dynapro 2 pot calipers. I have also done a rear upright unit but this is only suitable for the Falcon de Dion axle. Rear upright design is likely to vary too much to make a universal upright possible,

Martin
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Re: Standard Parts

Postby Martin Kemp » Sat Nov 30, 2019 5:11 pm

I am beginning to get good at this 9 finger typing.
Here is another new Falcon assembly that could be used by other builders. Another tricky bit - the pedal box.
The picture shows the wide version that will be used in the Falcon or in other tranverse cars where there is enough room in the footwell.
The wide brake pedal allows for left foot braking for those who can remember which foot is where, and for both foot braking when required.

For front-engined cars, where footwell space is limited, a narrow pad can be fitted to the brake pedal. You should be able see in the picture that there is an alternative clutch master cylinder mounting position to make a narrower unit. The spare bit of plate is sawn off.

The green crossbars are standard 3/4 box section and can be cut to a suitable length to suit whatever attachment method different cars need. Also the parts in different colours can be supplied individually so that a bespoke unit could be made up and welded in situ if necessary.
The bronze coloured master cylinders have 2 1/4" hole centres. The pedal pads are adjustable so they can lined up as you like and in practice are domed, but that is a lot easier with a big hammer than with a CAD system,

Martin
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PEDAL BOX ASSY.JPG
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Re: Standard Parts

Postby Martin Kemp » Wed Dec 04, 2019 6:22 pm

RK1048 T0W HOOP.JPG
RK1048 T0W HOOP.JPG (45.77 KiB) Viewed 3582 times


Here is another part that might be useful to people building or modifying cars. It is a towing hoop that can be welded onto an existing bit of chassis. On the Falcon it pokes up through the bodywork and the angled ramp is to make the tow line ramp up under load to avoid scraping the paintwork. I also put a 25mm wide brace at the front as a precaution against it getting bent over sideways.

Martin
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Re: Standard Parts

Postby F1300Tony » Fri Dec 20, 2019 2:50 pm

If you need a universal joint for the steering column or a gear linkage a 'helicopter' joint will cost you. The old Triumph ones have needle rollers, splines that fit a lot of racks, are much cheaper but they are heavy. Look at Rimmer bros. If you want one with a female spline to fit the rack and a 5/8" rod out of the other end to easily weld a tube to then have a look at the Triumph 2000 one. Use a cut down bolt as a pinch bolt, not a setscrew, because someone believes the thread could slide down the spline. If you use two universal joints the two inner yokes should be in line.
Similarly if you need good quality throttle return springs or a nipple to tie off the throttle cable then Midget or MGB ones will work. Try the B Hive, nice people, very cheap, but they are deep in the Cambridgeshire fens. Follow the sat nav and when it says you are there all you can see is a huge ditch and fields. Get out of the car, look on the horizon and you will see an MGB on top of a shipping container.
The bearings and oil seals in diffs and gearboxes are mostly standard industrial ones. Look at the maker and the numbers on the bearing and find your nearest bearing supplier and it should be cheaper than through a car parts supplier. All bearings used to be about the most accurate bit of engineering you could get, so good that often you could replace them in a diff and all the settings would be right. Now you need to be careful.
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Re: Standard Parts

Postby F1300Tony » Fri Dec 20, 2019 2:53 pm

You need a plain bush at the base of each of the pedals. DU bushes are cheap, very thin and need no lubrication.
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Re: Standard Parts

Postby Martin Kemp » Sat Feb 22, 2020 10:31 pm

bearing carriers.jpg
bearing carriers.jpg (39.87 KiB) Viewed 2064 times


In my earlier post I discussed bearing carriers. Here they are for real. The 2 on the right are the standard Mk1 Panda bearings and the 2 on the left are the new Falcon ones with aluminium bearing carriers. Although the Falcon ones are larger and have the stronger Punto wheel bearings they are 200 gm lighter than the steel Panda ones. However the real advantage is that they can use the 22 spline Punto Mk 2 driveshafts which are a suitable length for a transverse car whereas the Panda hubs take the 20 spline Mk1 Panda driveshafts which suprisingly, are too long . I don't think that there is a problem with the strength of the 20 splined driveshafts but I think the larger Punto bearing is worth it especially for the rear hubs

Martin
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Re: Standard Parts

Postby F1300Tony » Sun Feb 23, 2020 9:52 am

Martin, Is the Punto wheel bearing you use 66 OD, 33 long? That one and the Punto hub has worked well on the rear of Batten 3. I thought the Punto had more than one front wheel bearing size over time. That sort of information is available by digging into the Europarts website among others, including driveshaft lengths but unfortunately that is the overall length rather than the actual shaft.
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Re: Standard Parts

Postby Martin Kemp » Sun Feb 23, 2020 12:14 pm

Yes, it is the 66mm OD 35mm ID 33mm long bearing.
I made a mistake in saying it was from the Punto in my last post. It is from the Seicento as per my original post. Most Puntos have a 72mm OD bearing.

So to recap, for the Falcon and potentially for other transverse cars.

Wheel Bearing: Seicento front wheel bearing
Hub: Seicento, or almost any small Fiat except MK1 Pandas.
Driveshafts: Punto MK2

All these items are available new at discounted prices so it isn't really necessary to go hunting in scrap yards. Like Tony I have found these components to be quite up to the job.

Martin
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