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  1. rtfm

    What is the lightest battery I can use

    Hi guys, and thanks for all the suggestions. I don't know engines and/or electronics from a hole in the ground, but folks I know do. One of them suggested that I look at a portable jump-start pack, like this: JS80 3000 amp Portable Jump Starter Backup Power Bank Weight 2kg Costs $350 Then...
  2. rtfm

    What is the lightest battery I can use

    Hi. Looking for advice on the lightest battery I can use on the Fleabike. It has a 990cc Generac motor.
  3. rtfm

    Minimalistic gas tanks

    Queensland. Brisbane.
  4. rtfm

    Minimalistic gas tanks

    I've asked on the Aussie forum if someone knows of a reliable and reasonable person who can weld up an aluminium tank to fit into my front wing. What gauge aliminium do folks use for tanks?
  5. rtfm

    Minimalistic gas tanks

    Just finalising the details on this. I've found two 11.7 litre "saddle bag" gas tanks, and a fuel pump. Both fuel pick-ups (which plumb to the bottom of each tank) can be joined and then led into the fuel pump intake. Would that equalise the gas in the two separate tanks? Perhaps I could...
  6. rtfm

    Minimalistic gas tanks

    This is the leading candidate at the moment. Two 25litre polyethelene tanks, with fuel gauge and vented filler caps. Handy recess midway down the inside for a support beam, and the handle can be used as a support for a cross-beam on top of the cowl (which is conveniently flat). No chance of...
  7. rtfm

    Minimalistic gas tanks

    I agree - but it would simply be easier to buy a ready-made tank - I'm thinking their manufacturing process would be more reliable than mine Ha ha...
  8. rtfm

    Minimalistic gas tanks

    I've been checking out horisontal boat tanks (polyethelene, with vented caps and fuel cock), as well as go-carts, ATV's etc. Some promising candidates - for less than $100. These would mount in front of the windshield, and could easily be removed for filling and transport. Would need to use...
  9. rtfm

    Minimalistic gas tanks

    Many ideas. Thank you all.
  10. rtfm

    Minimalistic gas tanks

    I could try something like this...
  11. rtfm

    Minimalistic gas tanks

    The advantage of placing it in front of the windshield is that I can fabricate it from vinylester and have it translucent for an immediate fuel gauge reference. Also, easy to fill, and somehow comforting to be able to see the tank, instead of it being hidden in the wing. From initial...
  12. rtfm

    Minimalistic gas tanks

    Hi. Agreed, but where to put it? The only two places which suggest themselves are on the top of the cowl (need to fair it aerodynamically) and the other is inside the front wing (the outline can just be seen). Neither is optimal, although both are single fuel cells, which is good. And both...
  13. rtfm

    Minimalistic gas tanks

    I was thinking of two of these fastened to the outside of the Fleabike (12l each). It comes with a vented fuel cap and a fuel pickup/filter fitting. I could run each of them into a single fuel pump? Fuel pump possibility? On the other hand, I could fabricate a pair of more erognomic tanks...
  14. rtfm

    Minimalistic gas tanks

    Hi, In between finishing off the rear wing of the Fleabike, I'm starting to think more about the gas tank. Fuel pump, gas filler cap, fuel drain - plus all the holes in the tank these pieces require. Surely there is a safe minimalist way of doing things? This super-neat gyro seems to have a...
  15. rtfm

    Glider design guidelines

    My conclusion also. My tail and rudder combined is 8.75 sq ft (15* 8.85 = 135lbs total). I weigh 165 lbs. My back yard test (me standing on the tail feathers aerodynamic centre with the fuselage held rigidly on its side) well exceeds that. I'm happy. I may get a mate to join me out on the...
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