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 I have started to build the MK1 Jem (currently 1,816 views) |
| Goff_Allen |
Posted on: October 31st, 2016, 21:31:04
 Attachment: sub1.jpg - 136.92 KB (4406 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| first coat |
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Reply: 15 - 167 |
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| Goff_Allen |
Posted on: October 31st, 2016, 21:36:08
Attachment: sub5.jpg - 137.61 KB (4385 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| hand brushed wet top coat in all the seams before spraying. |
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Reply: 16 - 167 |
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| Goff_Allen |
Posted on: October 31st, 2016, 21:38:19
Attachment: sub_6.jpg - 140.52 KB (4380 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| finished both subframes ready to build up |
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Reply: 17 - 167 |
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| Goff_Allen |
Posted on: October 31st, 2016, 21:42:33
Attachment: arms.jpg - 145.28 KB (4396 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| Rear arms after a week soaking in molasses and just pressure washed ready to dry and paint |
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Reply: 18 - 167 |
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| Goff_Allen |
Posted on: October 31st, 2016, 21:44:29
Attachment: arms1.jpg - 137.14 KB (4391 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| and painted |
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Reply: 19 - 167 |
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| Goff_Allen |
Posted on: November 1st, 2016, 11:56:19
Attachment: tags_2.jpg - 112.74 KB (4356 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| Heating up the Hydro tags on the rear subframe, Tap out flush then i can fit Dry rubber cones |
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Last modified November 1st, 2016, 11:58:12 by Goff_Allen |
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Reply: 20 - 167 |
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| Goff_Allen |
Posted on: November 1st, 2016, 11:57:38
Attachment: tags2.jpg - 112.67 KB (4394 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| again showing the tag heated up before knocking flush to form a ring so the rubber cone will fit |
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Reply: 21 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 20:57:15
Attachment: arm1.jpg - 144.73 KB (4381 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| I got a bit more done today, Modified a pair of front suspension bottom arms by adding 1/4 inch to make them negative camber , This is how i do mine , The photos should tell the story , Mark and square of with the back part of the arm , This will not change the geometry of the caster angle same as happens when lengthening the arm by cutting and welding in the middle, OK ,Mark out , Cut with a hacksaw , Build up with weld aprox 1/8 inch in the middle , about 3 runs and one run each side , Grind a V prep , Do this to the other piece , Make sure you still have the original hacksaw cut at the edge , so you can measure , or you could just mark the arm either side of the cut and scribe a line to work from , OK so now you have the bottom arm with a V prep ready for welding , Line it all up square and tack weld each end make sure its 1/4 inch gap , If you cannot burn through the root don't worry as after the first run you can grind out from opposite side , Weld on opposite sides to stop it from pulling out of square , Grind and flap disc to finish ,any under cut just use a 1.5 mild steel welding rod to fill in , Stick weld , Use Low Hydrogen rods 7016 or 7018 , pre-heat rods also , I used a bit of scrap plate to start my runs so i don't end up with porosity at the start , About 1 1/2 hrs to do both arms , First time i did this was in 1968 ,Yes 49 years ago . |
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Reply: 22 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 20:57:57
Attachment: arm2.jpg - 158.33 KB (4398 views) |
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Location: Maltby ,South Yorkshire
Posts: 399
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| arm |
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Reply: 23 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 21:01:16
Attachment: arm3.jpg - 112.71 KB (4387 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| run of plate for starting welding |
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Reply: 24 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 21:03:38
Attachment: arm7.jpg - 108.19 KB (4389 views) |
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Location: Maltby ,South Yorkshire
Posts: 399
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| V prep |
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Reply: 25 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 21:05:06
Attachment: arm11.jpg - 111.80 KB (4373 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| !/4 inch gap |
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Reply: 26 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 21:10:05
Attachment: arm12.jpg - 150.78 KB (4388 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| Tacked up one side |
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Last modified January 10th, 2017, 21:10:29 by Goff_Allen |
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Reply: 27 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 21:13:18
Attachment: arm22.jpg - 147.96 KB (4382 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| welded |
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Reply: 28 - 167 |
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| Goff_Allen |
Posted on: January 10th, 2017, 21:13:59
Attachment: arm14.jpg - 150.91 KB (4385 views) |
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Big Member
Location: Maltby ,South Yorkshire
Posts: 399
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| finished |
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Reply: 29 - 167 |
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Mini Marcos Forum > General Boards > Mini Jem > I have started to build the MK1 Jem
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