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Daan

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Posts posted by Daan

  1. 1 hour ago, Red90 said:

    With the 200TDI, the stock shroud restricts intercooler flow quite a bit.  You can see a significant change when it is removed.  So, at least for that engine, the argument is not valid.  No cars that I know off have fans on the intercoolers.

    If you remove the shroud, no air gets drawn through the intercooler, as the fan sits behind the radiator. Also, the fan in free air is not as effective as when inside a tunnel.

    All the electric fan installations I have seen, did not draw any air through the intercooler.

    Taking off the fan immediately saw a 10 degree temperature rise in the intercooler temps at modest speeds, and much more when stationary (almost stuck).

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  2. It is not very scientific, as more drawn power means more cooling, i'd say. Usefull when you need it. Also, most of us have an intercooler, and that changes thing quite a lot, especially at low speeds, like offroading. If you run an electric fan, the intercooler becomes a wasted part at lower speeds. So certainly, in this situation, viscous must be far better. Going fast at high RPm, it is a different situation, F1 cars dont have fans for example, as they go fast enough to cool well without them. But they can't stand stationary in the pitlane with the engine running, as they will cook very soon.

     

    Daan

  3. I have a few things to add to this, mainly about how to grease your U/Js. Before you all look away, I described my method here:

    So far, this method has worked and since I do it this way, no U/J failure in 10 years.

     

    Daan

  4. Listening to the video, he saved 1.5 kg from the gears and 4.5 total. One of the main problems he had with Quaiffe is that he had to wait for them to make any changes; Quaiffe never used a winch in their lives, so it is hard to expect them to do a good job. now he bought solidworks and is able to everything in house; he improved on the original design, although still being cast, and from ten years of experience, he came up with this.

     

    Daan

  5. On 07/04/2017 at 0:01 PM, Soren Frimodt said:

    Yes it is, and I reckon that is very much because of the lack of billet items. So great for the costumer. Also 10kilos lighter than a Redwinch isn't bad at all!

    Entirely incorrect; the gigglepin winch has always been made from castings. The only difference is that they are no longer made by Quaiffe. Jim now manufactures it in house. Quaiffe clearly asked too much money for producing it, hence the price difference. The weight difference as far as I can see is the holes drilled in the gears.

    The main competitor, redwinch still make their winches machined from solid.

     

    Daan

  6. 5 hours ago, Wytze said:

    is it possible to get a groove turned in to one of the parts and just use a O.ring? 

     

    If you have a lathe that can chuck a 16" wheel you can...

    I saw this on ebay:

    http://www.ebay.co.uk/itm/Expanded-neoprene-cord-rubber-seal-3mm-to-10mm-diameter-10-metre-length-/162006540101?var=&hash=item25b8579f45:m:mRu5Gl69l_TDruYVg7ZofrQ

    If you create a large o-ring by gluing the ends, the in between rim, tyre bead and locking ring idea could be a decent option I think.

  7. I would do a metal ring with the bolt holes in and a slightly thicker rubber ring (or o-ring) for a seal. If you just use rubber there is no compression limiter, so you cannot tighten them up. Other option, maybe a manhole cover o-ring in between the bead, the rim and the locking ring? This was used on the john sales split rims.

     

    Daan

  8. Must say If i could afford to have my brand new range rover pimped, I would prefer to have it done by landrover rather than some backstreet tuner. It makes sense from a warranty and selling point of view. But don't worry, I will never need to get my new range rover pimped!

     

    Daan

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