pedro10012000

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Posts posted by pedro10012000

  1. Posted

    Nice work Allen. It's hard to tell from your pics, but I'm wondering if your oil tank placement might be slightly higher than specified in the installation manual... not sure whether it maybe any issues out what flow problems it might create

    Screenshot_2020-07-04-22-33-26-71.png

    Screenshot_2020-07-04-22-33-34-27.png

  2. Posted

    Allen, on the HKS forum there is a 'files' section that has a few good docs, eg a list provided by HKS of compatible sparkplugs.  Also for your interest, have you seen this video of Mike Ricketts flying his hks Avid... maybe some inspiration for you. He has a few other videos on Vimeo and YouTube. You'll see his solution to fitting the carbs within the cowls was to create cowl bumps

  3. Posted

    Yes Allen, I understand your experience with some forums! The HKS one is barely active but people still watch and make useful comments.

    What prop are you planning to use? Some flyers have been disappointed using smaller 3 blade props (eg that they may have switched across from a 503 or 582) and have got much better performance from 2 blade props of about 70" or greater. Your 3.47 ratio gear box seems the preferred option, and the longer props perform better on the wide, round Kitfox' cowl. 

  4. Posted · Edited by pedro10012000
    Spelling

    Allen, have you checked on the HKS-engines forum? Maybe you need to sign up to be able to view the photo albums, but there are many examples of engine mount configurations. Pics of a Kitfox similar to yours are shown in folders 'GB Kitfox' and 'MNFlyer' - he also has written many posts on that forum in the past and there is a lot of other info on there. He also mounted the engine with gearbox in down position and used the optional HKS horizontal intakes. A downside of this configuration is the lack of space to position the oil cooler at the front of the engine mount (as can be done with the gearbox flipped up), so he mounted it under the fuselage. The pics also show his home made cylinder cooling baffles.

    https://groups.io/g/HKS-engines/photos

    https://groups.io/g/HKS-engines/album?id=50924

    https://groups.io/g/HKS-engines/album?id=49199

    There is some commentary on that forum about not shortening the intake manifolds too much, due to pressure pulse influences. One guy made some short stub intakes (red colored in pic below) but the performance was reduced so he cut original intakes to create an s shape.

    Some people have minimised the height of the throttle/ cold start cables by rerouting them... I'll try attaching pics below. 

    Screenshot_2020-06-27-10-52-29-09.png

    IMG_20200627_105447.jpg

    Screenshot_2020-06-27-11-03-50-81.png

    IMG_20200627_110532.jpg

  6. Posted

    Maybe a cheap option to resurrect your existing prop; I think I heard of somebody machining a thin layer off the inner surface of the gsc front hub plate to allow for tighter grip (if it is bottoming out before fully clamping the blades into position).  

  8. Posted · Edited by pedro10012000

    By coincidence, this listing just appeared in NZ - including tires - NZ$900 is about US$720. Maybe he'd sell you just the metalwork.

    http://www.trademe.co.nz/motors/aircraft/parts/auction-437837460.htm

    The cost of shipping (including the tires) to the US is likely to be under US$150 - shipping rates can be calculated here:

    http://www.nzpost.co.nz/tools/rate-finder/sending-internationally/parcels