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  1. Iain_U1250

    Dedicated Heating / Hydronics / Diesel heating thread

    I see that a lot of the northern hemisphere trucks have major heating system, including underfloor heating, multiple radiators and also small windows. I did a some calculation on heat loss based on the insulation we have and figured out I needed about 5kW @ -30C. I doubt we will be spending...
  2. Iain_U1250

    MB Truck vs Unimog

    I'd also pull the starter off and check the solenoid, it is just clicks and not turn over then its the solenoid contact, I had a one that was not set up properly and the contact got chewed out. Starter itself was fine. Files the black bits off with a steel file, (don't use sandpaper as it...
  3. Iain_U1250

    Sewing Thread....A discussion on making your own adventure textile gear.

    We didn't have a problem with the motor on our Sailmate version, biggest problem was not being able to go really slowly, something the power pack is very good at from what I can see. The stock machine is pretty fast off the mark, and doesn't go slow enough for me. I would use the hand wheel...
  4. Iain_U1250

    Sewing Thread....A discussion on making your own adventure textile gear.

    The Sailright Ultrafeed is the same Sakura Stitch machine as the Sailright Ultrafeed. We found it great, it could stitch the heavy canvas up to six layers, provided we changed the needles often. We tested it on some thin leather, and it worked, but not saddle type leather, more upholstery leather.
  5. Iain_U1250

    Dedicated Heating / Hydronics / Diesel heating thread

    I have a Webasto 90ST, and like most, run that through the engine cooling system to warm up the block, also acts as a nice heat soak to ensure the cycle times are long. I have two Kalori Silencio 2 radiators, ( 5KW each) with fans, one set of almost silent computer fans, just a vague hum, and...
  6. Iain_U1250

    MB Truck vs Unimog

    Maybe these will help - the U1300 is narrower than the U1700 by a little bit, but has a stronger but heavier chassis. Motors vary, and the you can upgrade any one that come with a turbo and the piston oil squires to about 250hp if you want to, there are kits sold by Mog Central over here...
  7. Iain_U1250

    MB Truck vs Unimog

    We drive ours at 100kph all the time on highways, if you are getting one and want to drive fast, you will need either an overdrive or high speed gears in the diff or portals. Overdrives are not being made anymore, and changing the diff or portal gearing means you will need the low...
  8. Iain_U1250

    MB Truck vs Unimog

    I did my portals 60,000km ago, and the only reason I had to change one it that the truck fell off the jack and damaged the main bearing, all the others are still good. You need good synthetic oil in them, and change it often, but there is only about 500ml in each so not a big deal. My...
  9. Iain_U1250

    MB 1120 Coming to America! Purchase, Build and Now Travel!

    The 650C will be OK for an EGT provided the sensor is in the manifold before the turbo, after the turbo expect 100-150C lower. I've found that winding up the boost on my OM352A lowers the EGT, especially if you have an intercooler.
  10. Iain_U1250

    MB Truck vs Unimog

    I am biased, but to set the facts straight, you don't need any special tools to rebuild the portal axles other than a decent socket set and a copper hammer. I've done two sets, takes about two-three hours per wheel now.
  11. Iain_U1250

    Cab to Camper Pass Through???

    Hi never measured that, would be a good test. Currently the truck is on stands in the shed, waiting for my hand to heal before I put the new transmission in, so will be a month or more before I can do any tests.
  12. Iain_U1250

    Sewing Thread....A discussion on making your own adventure textile gear.

    We finally finished our truck walkaround video. Here is our finished awning. It was well worth the effort. Now to make a new spare wheel cover, and a storage bag for the awning and ground sheets.
  13. Iain_U1250

    Unimogadventures - Our build and travel thread

    Finally finished our Walkaround video - it;s pretty long, so grab a coffee or a beer ( or two) I even get to talk - for all of 20 seconds.
  14. Iain_U1250

    Carbon Fibre Foam Sandwich Sheets

    One more thing, as Jon said, the foam is the weak part, the cupboards were glued to the wall panel with Sikaflex, and the edge of each panel was routed out about 5mm into the foam so we could get a enough surface area. The routed edge was filled with Sikaflex so we would get the minimum 3mm...
  15. Iain_U1250

    Carbon Fibre Foam Sandwich Sheets

    Whilst not a carbon fibre composite, all our cupboards and internal lining of the box is made from a composite panel. I went with vacuum formed white laminex /1.8mm Ply / 5mm Aerogel foam /1.8mm ply /white laminex composite. It does take a lot of pre-planning for inserts and strong points...
  16. Iain_U1250

    Isolated floating system Vs chassis grounded system

    I've wired my "-" for each of the batteries to the chassis (via the shunts for the two battery monitor) to a ground point on the cab chassis. My inverter "-" is attached to the chassis frame of the camper box, which in turn is grounded to the truck chassis, all with 70mm2 cable on a tapped...
  17. Iain_U1250

    Isolated floating system Vs chassis grounded system

    Not so sure about 110V systems and GFCIs, but here in Australia, there is a problem with inverters and that my truck was not connected to any true "Ground". This meant that even if I had an RCD, it would not trip if the neutral came into contact with the chassis, and as you go to get in the...
  18. Iain_U1250

    Mercedes 1222A.. The beginning!

    Great milestone, you will be on the road soon,
  19. Iain_U1250

    Unimogadventures - Our build and travel thread

    The great gearbox swap has started. Here is my gear ratio calculations. I've got the truck on stands, and removed the left hand fuel tank, and the tool box, so now I have full access to the transmission. Unfortunately, I have to have a bit of surgery on my hand, so will be out...
  20. Iain_U1250

    Unimogadventures - Our build and travel thread

    HI, Mog Central is in Australia. The gearbox has a 0.736 8th gear ratio, so no need for the Claas overdrive. I have the working gears. There are even lower crawler gear sets, but that is just for doing things like planting crops or something. This video show the difference between the...
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