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About Hasse

  • Rank
    Well-known member
  • Birthday 17/03/1947


  • Aircraft
    ICP Savannah S
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  1. Hi all, Just an update. I changed the fuel hoses from the main fuel switch and forward (under the cowling) and used 5/16 (suction) and 1/4 (pressure) - no problems. However, I got worried when I saw the condition of the original hoses (that came with the kit seven years ago). In particular the bit that runs outside beneath the floor from the fuel switch to the electric pump was in a very poor condition with cracks and was actually leaking. I suppose that the hoses in the new Savannah kits are better than what I got seven years ago but if not - don`t use them!
  2. Thanks for the comments! I will use the Gates fuel tubings as recommended and will stick to three dimensions (1/4", 5/16" and 3/8")(6, 8 and 10mm). I am not looking forward to the job exchanging all those fuel tubes. Removing all the sheets, all rivets, awkward positions, emptying all tanks from fuel and explosive gas. Would it be a good idea to ventilate the tanks with N2 or carbon dioxide, perhaps? Anybody who has done this and could give some rocommendation? Thanks Hans
  3. Hi everyone, It´s time for me to exchange all the rubber fuel tubings in my SavannahS, Rotax 912 (eight years since built). Four dimensions (6, 7, 8, 10 and 11 mm) were delivered with the kit and as some dimensions are difficult to find (particularly if you want a quality brand) I wonder if all dimensions are really needed. For instance, the 7 mm tube is used to connect the mechanic pump with the electric pump while the 6 mm tube connects the mechanic pump with the "spider". In other words, fuel to the mechanic pump is delivered via 7 mm tube and fuel from the mechanic pump via 6 mm tube.
  4. Hi Capillatus, Thanks for the nice video. Where are you located? I've got a Savannah at Kjula (ESSU) and would very much like to visit as many places as possible in Sweden, and in particular those with reliable ice thickness on the lakes during winter.
  5. Hi Mark, Hmm, I see what you mean. Problem is that during flight testing (has to bee 50 hours to complete the personal flight manual - Swedish rules for experimentals) nobody can join me. So for another of 30 hours or so it will be only me, a couple of sandbags and the GoPro on board. Also, now it's autumn which means lousy flight weather until Winter. So I have to wait a bit longer with the final testing. I asume it's the oppposite in Australia./Hasse
  6. Hi 1Phils, Ok, so did it keep its attitude or became it softer after the bending?/Hasse
  7. Hi Mark, You are absolutely right. That's also what I found. I jumped inside and taxied around for a minute and after that both wheels pointed outwards. At present I always fly at MTOW (with two sand bags as a passenger) for testing reasons and that extra weight may also add, I suppose. Anyway, it's good to know that the main spring is probably not destroyed, only a bit too soft, in my opinion. Thanks all for your help - this is a great forum for discussion and support./Hasse
  8. Yes, well that's also what I thought. I found it quite soft. On the other hand, shouldn't all Savannah main springs have the same hardness? Anyway, I will see what happens after a couple of normal landings./Hasse
  9. Thanks you all for your help! However, I am not going to re-bend the main spring after all . When I tried to remove the spring I happened to place a jack on the spring in the centre under the U/C and lifted the aircraft in order to support it later with some trestles. Anyway, this pressure on the spring seemed to do the trick because the angles now seems completly ok with both weels pointing outwards as they did before. Apparently the spring has some kind of flex-point which should not be exceed but if this happens (within some limits I suppose) may be restored just by applying pressure in th
  10. Thanks IBob, The picture and your drawing are great help when bending the main spring to the original angles. I hope you will be flying soon./Hasse
  11. Thanks Kyle, You wouldn't happen to know what angle I should aim at? I assume around 10 degrees.
  12. Dear friends, Has anyone removed and re-bent the Savannah main spring? If so, how did you do it? According to ICP this may be done twice without affecting the spring strength significantlly. I can't remember having done any really hard landings but either my memory is going bad(mad) or the main spring is too soft for my hands. Still, there are a lot of talk about the front wheel suspension but I couldn't find any threads in this forum where people have complained about the main spring. Anyway, rumour says that ICP has a new and stronger version of the main spring./Hans
  13. Hi Peter This is good news but surprises me somewhat. Considering the gravel and the small wheels I never thought the Savannah would move forward unless full throttle. Also, when landing, if I understand you right, you can keep the nose wheel off the ground until about 15 kts? Must try this - without gravel/Hasse
  14. Great feeling, I can imagine! Quite rough surface and not very long but obviously sufficient also for a take-off. How much did you need?
  15. Yes "Head in the cloud" there are many more test that can be done but not by me. I am sufficiently convinced by my test results and will change from car petrol and start using, as often I can, 91/96 aircraft fuel which is ready accessible in Sweden. Btw, neither ethanol nor iso-propanol gave any cracks in my tests.
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