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Author: Subject: Midlana style chassis
TurboLocost

posted on 20/10/18 at 09:19 AM Reply With Quote
Midlana style chassis

Right after reading up, and wanting a 7 esque car but using a rear engine, and with help from people on here the Midlana is going to be the style I choose

I am aiming to use a Saab B204 engine and gearbox, and hopefully use the subframe and the front suspension from the Saab as well as, and either make new wishbones or use the Saab ones depending on how it fits and looks etc


Biggest thing I want to ask is if anyone can tell my the cabin size?

As I said before I'm 6 foot 1 and heavily built (agricultural engineer and ex rugby forward)

So will need to make sure I actually fit 😂


I will be buying the Midlana book (when I have £70 spare) but if anyone on here has the book, could you send me the dimensions of the chassis? So I can work out size of seating and cabin please?

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Ivan

posted on 20/10/18 at 09:49 AM Reply With Quote
Sorry - Can't help you with dimensions but generally with a self made chassis if you can't fit in based on designed dimensions you can always lengthen and widen the cockpit slightly without much risk as long as you keep the triangulation. An inch or two this way or that won't make much difference.
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Angel Acevedo

posted on 20/10/18 at 04:19 PM Reply With Quote
TurboLocost.
Big_wasa, a member here has a Midlana Book for a bit less than 75.
Check out his posts on the For Sale section: http://www.locostbuilders.co.uk/forum/34/viewthread.php?tid=213594
Regards.
AA





Beware of what you wish.. for it may come true....

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Ugg10

posted on 20/10/18 at 04:25 PM Reply With Quote
Remember the midlana has a smaller (or no, I canít quite remember) tunnel so you have a bit more hip and shoulder space than a standard seven.

Also worth checking the track on the Saab compare to the midlana spec as you may have to accommodate a few inches in width anyway.





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big_wasa

posted on 20/10/18 at 04:27 PM Reply With Quote
From memory, kurt, the designer of the Midlana is of slim average height build. So itís the same deal as the Locost. If your bigger than the average bear you have to make it fit with carfull selection of seats and pedals.

You would think being American it would be at least an XL

I have a first edition book for sale in the for sale section if you want to save some cash.

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big_wasa

posted on 20/10/18 at 04:33 PM Reply With Quote
Also there is a chap on here that has had an unfortunate change of plans and has a Mazda donor package for sale
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TurboLocost

posted on 20/10/18 at 07:20 PM Reply With Quote
Yeah the Midlana has a smaller tunnel as it only needs to house coolant pipes, gear linkage and hand brake cables, not a full gearbox

Yeah I saw a picture of Kurt who designed it and he's much slimmer than me!

Just really need to know the width of the cockpit of the Midlana, so I can work out then if I need to widen the cockpit for me to actually fit

I did see you have a copy of the book for sale but haven't got the pennies spare just yet (joys of Christmas and kids....)
If you could just tell me the width of the cockpit (there is a bar under windscreen that's the width of cockpit I believe?)

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CorseChris

posted on 21/10/18 at 07:42 AM Reply With Quote
Iíll measure mine for you later. When picking seats, I found it was very similar to the width of the wide body Westfield overall, but with a much narrower tunnel. I got a pair of JK seats which are a nice fit and very comfortable. Iím a bit of a lard-ass so didnít get the smallest seat they do

Youíd be most welcome to try sitting in mine if you like.

Book tunnel is 2Ē wide, but I made mine a bit wider for various reasons. My car is very close to book overall, but 4Ē longer in the rear to make space for the Alfa V6 I used.

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TurboLocost

posted on 21/10/18 at 09:04 AM Reply With Quote
Ok thank you that would be great!

Did you use a channel/box section down the chassis spine?


Thank you for the offer to sit in yours but I'm down in Cornwall so a bit of a trek to do so!


Yeah I will be using the Saab 4 cylinder, but inline most cars the turbo is forward of the engine so I will probably stretch the engine bay a few inches as well so the turbo isn't confined, and I will keep engine bay a little more open as well

I've got the Saab intercooler but also a smaller but much thicker intercooler from a big Massey Ferguson tractor, which is what I aim to use (it's a high flow high efficiency intercooler designed for a big Borg Warner turbo producing 30psi boost at walking pace)
Thinking of mounting it with a small scoop just behind the roll bar

[Edited on 21/10/18 by TurboLocost]

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CorseChris

posted on 21/10/18 at 11:48 AM Reply With Quote
quote:
Originally posted by big_wasa
From memory, kurt, the designer of the Midlana is of slim average height build. So itís the same deal as the Locost. If your bigger than the average bear you have to make it fit with carfull selection of seats and pedals.

You would think being American it would be at least an XL

I have a first edition book for sale in the for sale section if you want to save some cash.


Sorry to see you're not going to be able to build one

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ianhurley20

posted on 21/10/18 at 03:57 PM Reply With Quote
quote:
Originally posted by big_wasa
Also there is a chap on here that has had an unfortunate change of plans and has a Mazda donor package for sale


Yes you are right Warren - I recently wrote off my Haynes Roadster and 'the boss' has withdrawn my kit car licence - don't blame her really. It does mean that all the bits big_wasa had amassed plus a few extras that I have which were inrtended for my own Midlana are now up for sale. There are quite a few, rack, uprights, brakes etc from the MX5 plus a 6 speed gertag or is it getrag gearbox and gearchange lever. I am not fully sure what I have so if interested send me a u2u message and I'll dig them all out and let you know what exactly I have





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CorseChris

posted on 21/10/18 at 04:12 PM Reply With Quote
Not you too Ian! Looks like Iím the only person currently building one in Brexitistan then.

An apology to the OP, I was so engrossed in what I was doing in the shed today, I totally forgot to get those measurements for you. Sorry, Iíll do it tomorrow.

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big_wasa

posted on 21/10/18 at 06:24 PM Reply With Quote
quote:
Originally posted by CorseChris
quote:
Originally posted by big_wasa
From memory, kurt, the designer of the Midlana is of slim average height build. So itís the same deal as the Locost. If your bigger than the average bear you have to make it fit with carfull selection of seats and pedals.

You would think being American it would be at least an XL

I have a first edition book for sale in the for sale section if you want to save some cash.


Sorry to see you're not going to be able to build one


Unfortunately I just donít see a anyway forward due to having so little time. It took me five years to build the engine. Then again after today I may just give up buggering about with cars all together.

I set out to do two jobs today and screwed them both up and killed the milling machine into the bargain.

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CorseChris

posted on 21/10/18 at 08:23 PM Reply With Quote
Donít write the whole thing off mate, I clearly remember saying ďno more kit carsĒ....and yet.....
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CorseChris

posted on 22/10/18 at 08:21 PM Reply With Quote
OK, some measurements. These are -ish, not super accurate. All are internal dimensions.

Width at base of seat back area. 42 1/2"
Width at top of seat back area where top rails meet the B hoop. 44 3/4"
Width of top rails at dash rail. 36"
Width at front end of passenger compartment at floor level. 27 1/2"
Length of passenger compartment at floor level. 50"

It's a slightly complicated shape due to the way that the top and don't follow the same plan.

I used 50mm box for the spine, and as I mentioned had intended to follow book and have everything stacked vertically, but once I got to putting in the parts I had, particularly the gear shift mechanism & handbrake, it made much more sense to widen that area a bit and put the coolant pipes side by side. I added a U shaped channel that's now 80mm wide.

I'll be putting alloy panels on the sides of the tunnel to close it off and trim it, but I'll be keeping them as low as I can. I don't want to make the footwell too claustrophobic. There will be a vertical section at the very front end where the heater pipes, loom and hydraulic lines route up into the space above, but this will be as small as possible.

You could quite easily turn this into a 'centre console' type arrangement too, if you wanted, but bear in mind that the seats are very close together with such a narrow tunnel between them.

In case it helps, I'm 5' 10" but have short legs and a long back, so am more like 6' 2" when sat down, IYSWIM There is good legroom in the car so you should be OK I think.

I used JK N3946 seats with the built-in bases - these fit a 'book' sized car really well. Snug, but not too tight to work round. You could go a bit wider in the shoulders & hips if needed, but you'd need to double check sizing. You could also consider offsetting the tunnel to the left and having a bigger drivers seat with a smaller passenger one. I almost went that way myself, as the missus is petite. And I'm not.

I made sure I had the seats to hand before putting in the upper seatbelt mount cross tube to make sure I got the height right.

I think the book is pretty good value actually. There is a lot more to it than just a few drawings and dimensions. I've built a few cars before and have been messing with production cars for almost 50 years now, so have got some 'previous', but there are still some useful nuggets in there. If one wasn't so experienced, it would be an exceptionally useful book I think.

HTH

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