3. Frazer Nash Norris Special
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Author Topic: Frazer Nash Norris Special  (Read 2524 times)

Mark Underdown

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Re: Frazer Nash Norris Special
« Reply #45 on: 27 Dec 21, 04:14 pm »
Marek Thanks, hopefully it will still look cool when the bodywork is done! 

I was going to make a grp body but I really want to get this finished now ready for 2022, so I have opted for aluminium panels which I think will be a faster approach.

The front nose cone and engine cover may still end up being grp, I’m not good enough at panel beating to make these from aluminium.

I made the first two panels up today.
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Marek.Z.N

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Re: Frazer Nash Norris Special
« Reply #46 on: 27 Dec 21, 04:33 pm »
Loving the dog leg in those panels like the original (i'm assuming its the blue one owned by Julian Grimwade).How did you do these.
aslo... GRP? is that a different name fore fibreglass or is that a different material. not heard of it before.
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Mark Underdown

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Re: Frazer Nash Norris Special
« Reply #47 on: 27 Dec 21, 06:03 pm »
I don’t really have any sheet metal equipment so I ended up bending the panels on the bench.  I clamped them down with the fold line along the front of the bench using a piece of angle iron as a clamp. Then bent them up with a hammer and lump of wood.
The other folds where done using a lump of 40mm square steel as a dolly and a hammer.
I will take some pics when I make the next two panels.
Trying to keep it as close to the original as possible within reason.
The Louvers are going to be a problem to form and unfortunately the original has an awful lot of them!   

I think GRP is fibreglass to anyone without any knowledge of the subject.   There probably is a difference?

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Marek.Z.N

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Re: Frazer Nash Norris Special
« Reply #48 on: 27 Dec 21, 06:20 pm »
depending on what skills or equipment you have you could TIG weld aluminium louvre panels in to cut outs. If you dont have a TIG welder you could try braising it in or using some other sort of bonding or back panels to bond them in. Some body filler and paint and you probably would know that they arent stamped in. Alternatively a louvre stamp can be 3D printed when working with aluminium (as long as its not too thick) or you can rivet on louvre panels. Luckily the louvres on the Fazer Nash are all the same length down the side of the bonnet which simplifies things
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RhysN

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Re: Frazer Nash Norris Special
« Reply #49 on: 28 Dec 21, 06:53 am »
GRP = glass reinforced plastic, it was what UK called fibreglass before they adopted the term used pretty much everywhere else in the world. It's actually a more  accurate term really.
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We must avoid torturing our brains with false problems, it occupies but it can annoy. In jest!

Mark Underdown

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Re: Frazer Nash Norris Special
« Reply #50 on: 28 Dec 21, 10:43 pm »
A bit more bodywork completed today,

Bent on the bench as before, a sheet metal folder would definitely help with this job! 

I think I may have to find a Louvre tool, my tig welding isn’t up to welding in pre formed panels, I suspect the distortion would be a nightmare.
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jim

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Re: Frazer Nash Norris Special
« Reply #51 on: 29 Dec 21, 06:52 am »
That's really coming on now Mark and looking cool. I rivetted in my louvre panels because i also thought welding would pull them around too much.
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StefanN

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Re: Frazer Nash Norris Special
« Reply #52 on: 29 Dec 21, 08:57 am »
Coming along nicely!

I’ve used pre-made air vent louvres and also have made them with a simple die.   Not much to choose between them.    With a die you get to choose the shape, length and spacing.  Pre-made are pretty cheap and low risk

The simple die I copied from someone in the US:
http://www.cyclekartsgb.com/build-journals/bugatti-type-37-build/msg811/#msg811
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RhysN

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Re: Frazer Nash Norris Special
« Reply #53 on: 29 Dec 21, 09:50 am »
I'm using Tiger seal to bond a lot of aluminium parts. My test strips I could not pull apart after 24 hours, it distorted the parts trying. Same stuff is used to glue truck and ambulance bodies together, with no mechanical fastenings.
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Mark Underdown

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Re: Frazer Nash Norris Special
« Reply #54 on: 30 Dec 21, 04:40 pm »
A bit more progress today, the other side panel is now complete which leaves the bonnet and front grill.

I don’t think I will be able to bend the bonnet very easily so I am going to make a plywood former up to bend it around which will slow things up a bit.

I am not going to worry about any details like louvres until it is up and running, really keen just to get it to the stage it can be used and refine it after that otherwise there is a very real danger this could run into 2023!

We use Tiger seal at work a fair bit and it is amazing stuff, the only downside is once it’s used you can’t take things to bits again.  We also use Sikaflex which comes in various grades and is probably stronger than Tigerseal for some applications.   I might use some Tigerseal on the body rather than having too many rivets showing.

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Mark Underdown

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Re: Frazer Nash Norris Special
« Reply #55 on: 29 Jan 22, 10:41 pm »
The bonnet ended up taking as long as all the other panels put together, partly because I’ve been off with the dreaded COVID and also I should of made it in two parts, left and right which would of been much simpler.

Does anyone know off a good source of leather bonnet Fastners that doesn’t involve me learning to be a tanner and leather worker.  Looking for more of an Amazon Prime solution! 
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Seven racer

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Re: Frazer Nash Norris Special
« Reply #56 on: 29 Jan 22, 10:58 pm »
Looking good Mark, with regards to straps, have you looked at just cutting leather trouser belts about? - I reckon they will be fine for the straps I need.on my build.
The buckle and fittings are already done for you, you just might need to fabricate ally plates where the ends attach to the body.

Peter
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Mark Underdown

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Re: Frazer Nash Norris Special
« Reply #57 on: 30 Jan 22, 09:25 am »
Peter, That sounds like a good plan, I will have a look for some leather belts.

Thanks Mark
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RhysN

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Re: Frazer Nash Norris Special
« Reply #58 on: 30 Jan 22, 01:27 pm »
I have noted that most of the street markets have somebody selling belts.
« Last Edit: 26 Feb 22, 09:09 pm by RhysN »
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We must avoid torturing our brains with false problems, it occupies but it can annoy. In jest!

Mark Underdown

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Re: Frazer Nash Norris Special
« Reply #59 on: 26 Feb 22, 06:45 pm »
I felt like I made some progress today, up to now the chassis has been mainly tack welded together, so I spent the day welding it up fully and gave it a quick coat of black paint.

It’s nice to be bolting items to it that hopefully wont have to be removed again, I have lost count of the number of times the back axle has been put on and taken off again!
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  3. Frazer Nash Norris Special