Yes the reservoir is shallow but quite wide. I never thought about it before but you are probably right in that it is to clear the bonnet on the TR6.
It's interesting how all the bits from different marques fit one another. I guess there was a lot of plagiarism going on in those days. The servo also looks almost identical to the Metro one that the Sportster used - except the mounting studs are at different centres. Cheers Robin |
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Stage 1 complete
The chassis is now in the man-shed ready for the start of refurbishment and re-assembly! It fiited lengthways with only a few inches to spare but fortunately plenty of space widthwise. I had measured it up beforehand but you never know if there is going to be any unforseen issues.
The downside is that I promissed my wife the kitcen refurbishment would start once the chassis was in its new home so progress may slow down for a while.... The chassis is very sound but covered in a mixture of old paint and surface rust. Any suggestions how best to remove it greatfully received. I am trying to avoid mechanical (wire brush in drill) means as it makes such a mess. https://live.staticflickr.com/65535/...5c6e1c17_b.jpgin_man-shed1 by Robin Martin, on Flickr Cheers, Robin |
There are 'rust removers' and 'rust converters', and in my experience both do a 'good job'. Maybe just a case of research and 'choose your poison'?
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You could take it back outside and give it a thorough jetwash (meanest setting) on a sunny day. Then back inside for some of the above.
I used this stuff on mine and found it very good - https://www.ebay.co.uk/itm/AQUASTEEL...r/264680865517 |
The rust converters work by using dilute phosphoric acid (sometimes tannin as well as/instead of?) to give a protectived iron phosphate coating - In my experience, they work well and are easy to use (wear eye protection).
The rust removers do exactly that - if it's a rough, pitted surface it will end up rough & pitted (minus rust) which can be good for paint adhesion. I used some 10 years ago on the outside of brake drums and with red oxide, undercoat, and satin paint there has been no return of rust (FLW's). Takes a lot of time/brushing and mess though (a jelly version is suitable for chassis or similar.). For small parts the fluid version is great, as you just leave the parts submerged for a day or more (which is very easy of course). |
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I find Hammerite Rust Remover Gel works very well and you can get it in Halfords. Sometimes it needs a couple of goes and it may not get into every small corrosion pit so a rust converter is useful to kill what's left. I think you may have recommended the Hammerite stuff to me some years ago :biggrin1: |
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Cheers Robin |
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Door catches
I am using the IVA manual as a bit of a guide while rebuilding the Roadster even though it is already registered and has no need for an IVA test or even an MOT due to its age.
I would like to use some IVA compliant door catches which means using the two stage claw type. I liked those used on the Sportster, as the handle and latch were all incorporated into one unit, but they were supplied by Marlin so I don't know where they originated from. Can anyone suggest where I might get them from? Cheers, Robin |
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Hi Robin,
I think the catches your looking for are like these... https://live.staticflickr.com/206/47...f31fc54f_z.jpgDoor lock fitting by Sabrebuilder, on Flickr I think from memory these are the ones........ https://stedall.co.uk/product/anti-burst-cab-locks-rh/ https://stedall.co.uk/product/anti-burst-cab-locks-lh/ I was surprised how expensive they are and the strikers are extra! If you google 'anti-burst locks or latches' you may find others like these... https://www.europaspares.com/anti-bu...-strikers.html And I also found these that look like a bargain........... https://www.ebay.co.uk/str/Moore-4-M...bkw=anti+burst I also found this article that you may find interesting......... http://morganrebuild.co.uk/RemovingDoor.html Oh the joy of Google!! cheers, Peter |
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Cheers Robin |
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Cheers, Robin |
You could also consider these from Car Builder Solutions. Probably the smallest available. Think about the fixing method of the PIN. It will need some strengthening as the GRP rear tub will not give enough strength and will fracture over time.
https://www.carbuilder.com/uk/mini-b...ches-pair-75mm https://www.carbuilder.com/images/th...-pair_625.jpeg |
Prototype door
The original Marlin Roadster doors are pretty small due to the position of the running boards. But as I am going for cycle wings I thought I would take advantage of the extra depth. So I have removed the frame that the doors shut on. The picture shows a mock up of the new door with much better access. Should be much easier to get in now I am not quite so flexible as I used to be lol. I still have to add something for the door to close against at the bottom.
The original doors are basically a lump of 25mm ply skinned in aluminium. I plan to do something similar with the new doors although I will probably make the plywood more of a frame to keep the weight down. In my drive for a bit more safety I am planning to use anti-burst door catches from the series 3 Land Rover, as also used by Morgan. (Thanks to Peter for the suggestion.) More pictures once the catch arrives and I have made the first door.... https://live.staticflickr.com/65535/...c07dce0a_b.jpgoriginal_door1 by Robin Martin, on Flickr https://live.staticflickr.com/65535/...074bcb3e_b.jpgprototype_door1 by Robin Martin, on Flickr https://live.staticflickr.com/65535/...b2f30064_b.jpgprototype_door2 by Robin Martin, on Flickr |
Nice work, Robin. That will look so much better and make it easier getting in and out.
Are you going for the nice curved top to rest your arm on? |
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Hi Robin
I'm watching your rebuild with interest. I have a Roadster that needs completing. Hoping to get going on it next year, I've said that for the last 3 years. Life keeps getting in the way. Lots of ideas in my head, cycle wings and bigger doors for ease of access (not getting any younger). I have attempted to add a picture of a Marlin with the same doors |
I have finished making the prototype door and have been experimenting a bit with cleaning and painting the chassis.
I have used a Land Rover latch as suggested by Peter. Morgan also use this type of latch but I suspect they must have a special version of it as the standard one has handles both on the inside and outside plus a lock barrel. I only wanted the inside handle and so the lock barrel and outside handle have been "treated" with the Dremel. The standard Land Rover striker is HUGE and so I have made one myself a little more in keeping with the scale of the Marlin. The current chassis finish is a mixture of old paint, rust and old paint & rust. Where the chassis is visible I have cleaned it back to bare metal. Other places I have flattened the old paint and treated the rust as appropriate. Then applied several coats of Isopon Zinc 182 primer. It's beginning to get there but will need at least another coat particularly where it's visible and I have flattened it back. One big relief is it didn't react with the existing paint so where there is no rust I can just flatten it back without having to strip it all off. I am now on the hunt for some decent plywood to make the doors proper from. Not so easy as one might think nowadays... Cheers, Robin https://live.staticflickr.com/65535/...98032cc8_b.jpgdoor_with_latch by Robin Martin, on Flickr https://live.staticflickr.com/65535/...42d76020_c.jpgmodified_lr_latch by Robin Martin, on Flickr https://live.staticflickr.com/65535/...8dffd61c_c.jpgstriker_plate by Robin Martin, on Flickr |
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Why not try marine ply from a boatbuilders? If it will stand a sea environment it should be ok. Peter.
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Have you priced ANY plywood of late?
really expensive these days. |
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Cheers, Robin |
Have you thought about making an ash frame and skinning with aluminium ? The coach builders method from years ago. The trouble with ply is that it will twist and distort if its hung on its side as a door.
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Or how about a hybrid? Exterior grade ply as the frame, with fist-sized holes added for lightness, and as a reinforcing shape. Then coat with epoxy to seal it, and cover with fiberglass, leaving one side on a flat surface to make the exterior smooth and flat, with the reinforcing shape visible on the inside.
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Thanks for all the suggestions guys. The original doors were 25mm ply skinned with aluminium and never warped - so I was following that method. The trick I hope is to get some good quality ply and then seal it against moisture ingress. My favourite so far is something called duraply which is an engineered ply made from Poplar.
I will be cutting out the centre though so as to allow for a small door pocket and lighten the whole thing. I have just completed building a camper van from scratch so have all the good tools for that kind of thing. Cheers, Robin |
A little update
It seems ages ago since I last posted an update but I have been beavering away.
I have made new seatbelt mounts to take standard inertia reel belts. I say new, but there wasn't really any proper seat belt mounts previously with static seatbelts just being attached to the aluminium inner skin. Ooo-err... I have also been working on the rear tub repairing myriads of holes so its back to how it would have originally been supplied by Marlin. Also, in an attempt to improve both the appearance and strength I have added several layers of fibreglass tape to the top edge. It's now fairly consistantly about 6mm thick - previously it varied between about 2 and 6mm. Still needs some work but its getting there. https://live.staticflickr.com/65535/...2c96578d_b.jpgseatbelt_mount4 by Robin Martin, on Flickr https://live.staticflickr.com/65535/...71431ba3_b.jpgtub2 by Robin Martin, on Flickr The observant may spot that there is more clearance between the tub and seatbelt mount one side to the other. Not sure what is out of true yet - some careful measuring needed... Cheers, Robin |
Some more progress....
I have re-made the rear tub support plate. The original was pretty ugly with oversized holes. The new one is a tad lower so I should be able to get some tite-n-fast trim arround the top edge of the tub. The original went right to the top which would have made that impossible. https://live.staticflickr.com/65535/...748fa652_b.jpgtub_support by Robin Martin, on Flickr https://live.staticflickr.com/65535/...8d0a41f7_b.jpgtub_support2 by Robin Martin, on Flickr I have also made some new floor pan sides from 1.2mm zintec steel. The originals were alluminium -a bit scary as the seatbelt lower mount is bolted to them. My home made bender was just about up to the job but I may have to think again for the next step which is to remake the rear bulkhead. This was also ally but again I would like to make it from steel but I think my home made bender will struggle with that as it is nearly a metre wide. https://live.staticflickr.com/65535/...3e41b580_b.jpgfloorpan_side by Robin Martin, on Flickr And finally - bought these of Ebay. Ex Austin Healey 3000 - 15x4.5J - just what I was after. I didn't want spanky new ones as they are: A - Expensive B - I am going for the well used classic rather than show car look. You may spot there is actually 7! One guy had 4 for sale and someone else 3. Of course I wanted 5 so I bought both lots. They are all made by MWS - 4 seem to be original British made and the others later Indian manufacture. All 7 cost less than 1 new one. https://live.staticflickr.com/65535/...8a552f26_b.jpgwheels by Robin Martin, on Flickr Cheers for now, Robin |
I have cut down the rear bumper. It's robust but a bit utilitarian looking and as I am planning cycle wings I thought it would better a little smaller.
https://live.staticflickr.com/65535/...12b0685d_b.jpgrear_bumper1 by Robin Martin, on Flickr The old fuel tank was well beyond rescuing and so I think I will see about getting a custom one made. There are loads of places offering this service but does anyone have any recomendations? https://live.staticflickr.com/65535/...c6b30a25_b.jpgtank by Robin Martin, on Flickr |
Don't forget a fuel tank vent and sender.
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The plan is to use a vented cap. And I will make the cut out for the fuel sensor myself once I know what I am using.
Had a quote of £240 from CompBrake which seems reasonable. Made from 3mm ally and baffled. Cheers Robin |
Perfect!
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Made some good progress in the last couple of weeks. After a lot of fitting and refitting the rear body tub now fits square. It had been originally fitted (by Marlin) not very well and I had to fill all the original mounting holes and redrill them. Also, as it had not been square for some 40 years, the moulding had become a bit distorted and it resisted my efforts to sort it out. Fits fine now though!
https://live.staticflickr.com/65535/...bee417e9_b.jpgtub_fitted1 by Robin Martin, on Flickr Originally countersunk head screws were used for the fixings but these were perilously close to the edge so I have replaced them with conventional allen screws and large washers. Hopefully the wheel should hide most of them. I was going to get some new leaf springs made but this was starting to look expensive so I thought I would check the originals a bit more closely. They turned out to be far better than I expected with little or no age related sag. Not bad seeing they are nigh on 50 years old. Picture shows them compared to a NOS original spring. https://live.staticflickr.com/65535/...e6dc7e70_b.jpgrear_springs by Robin Martin, on Flickr I was also able, to my suprise, to obtain new metalastic bushes. I suspect this is because they may be the same size as used in 1970's Fords. There isn't a lot of Marina bits out there. Burnt the old bushes out and the new ones pressed in suprisingly easily. https://live.staticflickr.com/65535/...ae488143_b.jpgRear_spring_bush by Robin Martin, on Flickr That's all for now and probably for a while. New kitchen fitting starts in ernest soon... Cheers, Robin |
The fuel tank, made by CompBrake, arrived and is exactly as my fag packet sketch so thumbs up to them. It fits almost perfectly (see below!) between the chassis rails as planned. The original tank was suspended much lower which made it rather vulnerable IMHO. The new tank is made from 3mm aluminium and so should be tough as old boots. It's also baffled and sumped so there shouldn't be any problems with fuel surge.
So - it fitted perfectly - almost... I discovered after a trial fit that the original tank mounting flanges on the chassis are positioned in such a way the the back of the tank is angled downwards by about an inch. Doh! No idea why but as the fuel take off on my tank is at the front this could prove to be a problem. Also I planned to use the tank top face as a level for the boot floor. Had I realised I could have had the flanges on the tank mounted at an angle to compensate but too late now. So i am going to have to grind off the flanges on the chassis and remake them so the tank is level. Grrrrrrrr...... Cheers, Robin https://live.staticflickr.com/65535/...25e43d54_b.jpgtank1 by Robin Martin, on Flickr https://live.staticflickr.com/65535/...8414a6a6_b.jpgtank3 by Robin Martin, on Flickr |
Today I bit the bullet and chopped the old, very rusty, spring pads off the axle and replaced them with new shiny ones.
My main concern was getting the new ones back in exactly the right place. To position them laterally I marked the axle with the ends of original spring pads with a centre punch. I then cut of the first mount. The axle was extremly rusty due to the design of the spring pads allowing water to collect - I hope the strength hasn't been compromised. https://live.staticflickr.com/65535/...3ab9590e_c.jpgaxle1 by Robin Martin, on Flickr I then levelled up the new pad by axle using a spirit level on the remaining pad and then again on the new pad. https://live.staticflickr.com/65535/...860b3d21_c.jpgaxle2 by Robin Martin, on Flickr And then welded the new pad in place. The process was repeated for the other pad. https://live.staticflickr.com/65535/...688b0e7c_c.jpgaxle4 by Robin Martin, on Flickr Ok - so my welding won't win any prizes but its strong enough... And finally, cleaned up the brake back plates which were in suprisingly good condition considering they are 50 years old! The shiny bits in the picture are good clean bare metal. https://live.staticflickr.com/65535/...679f4b0a_c.jpgaxle6 by Robin Martin, on Flickr Just needs a coat or two of paint now.... Cheers, Robin |
looking good Robin
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Nice welding, much better than mine, well done
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A little bit of progress mainly due to the fact that IKEA seem to be out of stock of some of the components for our new kitchen! Which seems to prevent you ordering any of it....
So - I trial fitted the rear springs and all the bits that the axle hangs on. Bit of a milestone this as it means I am actually starting to assemble the car rather than dismantle! Not quite as simple as it would first appear as the original U-Bolts and lowering block were shot so I had to get some replacements. Of course Marina ones are simply not available so in the end I used some Grayston lowering blocks and U-bolts intended for the Ford Escort. Actually better quality than I expected. I had to squish the u-bolts slightly as they were a few mm wider than the original ones. But they are made properly from HT steel, it seems, so I had to heat up the U bit to cherry red before they would move. They are also 1/16" greater in diameter so had to fettle the spring plates. The other good game was the rubber spring pads. Again originals unavailable. You can get them from one of the polybush companies but they are over £100 for the 4! In the end I modified some intended for an MGB. Cost me all of £6. https://live.staticflickr.com/65535/...4e96b210_c.jpgaxle5 by Robin Martin, on Flickr Cheers, Robin PS - The block of wood is the axle simulator... |
I trial fitted the refurbished axle this weekend. It is very heavy! I have been pontificating about what dampers to use but Ebay had a special offer on Spax adjustables (20% off) so I spashed the cash and bought both rears and fronts (which are actually Herald rears).
https://live.staticflickr.com/65535/...c6778a44_c.jpgaxle trial fit by Robin Martin, on Flickr The only real issue I had, prior to fitting, was the handbrake compensator lever which mounted using some long ago perished rubber top hat bushes. I managed to find an oilite bush of almost the correct size which was a tight press fit and used that instead. Probably better than the original. https://live.staticflickr.com/65535/...e2673c6a_z.jpghand brake compensator by Robin Martin, on Flickr The only snag, and yet to be resolvled, is the proximity of the handbrake cables to the damper. I think it could well touch when the car is moving. Which probably wouldnt really matter but I guess it would be an MOT failure.... https://live.staticflickr.com/65535/...2e6c489b_z.jpghand brake cable by Robin Martin, on Flickr Next job is to remake the rear bulkhead - which I am going to make in steel rather than the original ally. That's going to be fun - folding 1.2mm zintec. Watch this space... Cheers, Robin |
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