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 Post subject: MX5 based build thread
PostPosted: Sun Apr 06, 2014 7:37 pm 
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I'll start by introducing myself, my names Chris, 28 and residing in Warwickshire.

I joined up to this forum a few weeks ago having seen it mentioned on locost builders, I'm also on the haynes forum, this thread is copied over from there.

I figured now is as good a time as any to begin my roadster build, having recently finished my Mini project I found my self with an empty workshop and a yearning for a challenge to evolve my engineering and mechanical skills some more.

I purchased a chassis kit via ebay around 6 weeks ago, needing to clear the workshop out and sort my build table, it's taken until today to actually unpack it and get started.

I plan on building an mx5 based chassis, utilising the Mazda suspension and steering but going for the ford duratec engine, coupled to the mk3 mx5 gearbox.

Well that's the current plan, I'm sure as things unfold it will change some what.

So I started my build table this morning, I managed to knock it up in about an hour, using wood I had in stock and 25mm mdf board as the surface, it's worried out well and I've been able to free more space by utilising the area beneath the table.

Once this was done the kit was unpacked, I seem to be a few bits missing, mainly the front frame tubes, I've sent an email for clarification and to see if I can get it sorted. Luckily I purchased a part kit some years ago from a chap on ebay and I have a front frame and some spare tubing to get on with.

Build table up and the kit unpacked
Image

I sorted all the tubes into sections (base, top, uprights etc) and began to mark out the general layout and get the base rail lined up and tacked together.

Image

Working slowly through, checking three or four times my measurements then tack welding together I ended up with all the base rails in place.

My chassis kit I received seems to be missing the front frame tubes but as mentioned earlier I have my other front frame, ( note the different coloured metal and white marker writing on the f/frame)

Image

At the end of play today I had all the base rails down, the front frame lined up and tacked and I'll start on the uprights tomorrow evening.


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PostPosted: Sun Apr 06, 2014 7:38 pm 
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Joined: Tue Feb 18, 2014 7:39 pm
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I'd be interested to know if others have fully welded there base rails before moving on to the uprights? The book says to tack it but I can't help think it would be better to fully weld, dress back and move onto the uprights?

All in all feeling fairly happy with myself today! :)

Thanks for reading.


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PostPosted: Sun Apr 06, 2014 9:24 pm 
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Joined: Sun Dec 02, 2012 3:59 pm
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Name: Bruce
Location: Biggleswade
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All in all feeling fairly happy with myself today! :)
And so you should, that's cracking start there :D Got to say it before anyone else does, that workshops still a bit clean :shock: :lol:

Quote:
I'd be interested to know if others have fully welded there base rails before moving on to the uprights? The book says to tack it but I can't help think it would be better to fully weld, dress back and move onto the uprights?
I don't recall seeing it done but that doesn't mean it cant be. Reasons I can think of to be wary are regardless of how well clamped the base is there will possibly be some minor distortion which may change the dimension slightly making it difficult/confusing to set the upper parts out. Possibly the tacked structure as a whole resists distortion better than a fully welded base then top.

I'm doing some sub sections, most of which will be tacked together before putting them together as a whole.

Maybe some other thoughts will come along soon.

Keep the pics coming, looking forward to seeing another one progress :D

Bruce


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PostPosted: Mon Apr 07, 2014 5:45 am 
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Joined: Wed Mar 13, 2013 11:24 pm
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Location: Thailand
Welcome aboard and a good start keep up your build blog and loads of pics

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Check out my build blog

http://thailoz.wordpress.com/


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PostPosted: Mon Apr 07, 2014 7:35 pm 
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Joined: Tue Dec 04, 2012 7:37 am
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Name: Dave
Location: Stockton-on-tees
One way to make sure base rails are flat is to dress them back then turn the whole base rail assembly over clamp and weld the other side

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