Allen B
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Everything posted by Allen B
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Hi BrandAn. Your stall speed is a bit over half my stall - which isn't a constant speed either 😕. Allen B
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Hi Moneybox. I too understood the S stands for Speed. Now I think the S just stands for 'Slippery'.
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Hi guys, you read right !!. If the aircraft could achieve 150 knots in cruise it would be easier to justify the higher landing speed, but it's cruise is still only 115 knots at best. Allen B
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Hi again Kiwi (I assume you are based in NZ ?) I fully understood your suggestion and yes I do agree lowering the ailerons will have a 'slowing' affect on the airspeed. however I must confess I tend to be an extremist (if that's a word) and would not want to trade any speed for a more sedate landing. I would much prefer to have the best of both worlds, easier landing plus the maximum speed the HDS can provide. So yes I did understand your suggestion. Regards Allen B.
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Hi IBob and thank you for replying. I have already purchased the VG's from JG and will install as advised. However as mentioned in a comment I previously posted, I suspect while VG's may help, traditional flaps would out-perform VG's (I suspect). RKind regards Allen B
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Sorry for my ignorance but what is/are "Gurney Flaps" ? Allen B
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I have bought the VG which I will attach soon and see what difference they make. I know about the Swiss pilot (Victor) and will follow his suggestion re placement of the VG's. I suspect the VG's may help a touch but I also suspect VG's wont perform as well as a decent set of flaps. Again, maybe it's just wishful thinking by me ?. Allen B
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Hi Nev. I agree that Flaperons is not the way to go. Idle RPM (Rotax 914) is around 1,700, so all good there. I have tested with many stalls (at between 2,000 to 3,000 feet) and the actual stall is quite gentle, with considerable buffeting but doesn't really drop a wing of a serious nature.
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Thanks for this suggestion however from my small experience with flying the RV-12 shows (at least to me) Flaperons isn't the way to go either. But thank you for your suggestion. Allen B
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Thanks for this suggestion Diegg, however I do like the Tapered HDS wing, but less of a challenge for the landing would be nice... (just wishful thinking I suppose) Allen B
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Hi Nev and thank you for your prompt reply. Regarding the approach, I have tried various approaches and despite having a couple of thousand hours and flown a number of different aircraft, I find this small aircraft more challenging than any other that I have previously flown. I suspect the rather high stall speed (a bit tricky to replicate and pinpoint the exact stall speed) of anywhere from mid to late 40's knots, requires a fairly flat approach over the fence when landing. I feel if it had flaps, it would allow for the nose of the aircraft to maintain a higher attitude while the airspeed could be a bit less over the fence. I acknowledge the full length ailerons would create a challenge to convert, to shorten the ailerons and utilise the inboard section/length of the existing ailerons to become flaps. So I just thought I would ask if this mod has already been done somewhere out there in Zenith land ?. Allen B.
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Good morning/afternoon. I own and fly a 601HDS. Has anyone successfully designed and built flaps for the Zenith 601HDS. I find my HDS has a reasonably high stall speed and as such is not a pussycat to land. Regards Allen B.
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Good morning/afternoon. I own and fly a 601HDS and have just found this post (question) and staying with the same question asked in the Post above, I can't help but wonder if anyone has successfully designed and built flaps for the Zenith 601HDS. I find my HDS has a reasonably high speed stall and is not pussycat to land. Regards Allen B.
