Guest stol lover Posted August 6, 2009 Posted August 6, 2009 I have ordered the plans of the Ch601 HDS. It sounds great for what I want (initially i wanted a ch701 but settled for longer on the strip and less time in the air) but think it could be better if it had flaps. I have seen 601s in RAA magazine with flaps. Has anyone done it with either a hd or hds? Having full span ailerons I thought it would be possible to do since I want to build from plans.
Allen B Posted 16 hours ago Posted 16 hours ago 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. 1
IBob Posted 10 hours ago Posted 10 hours ago Maybe ask JG at Stolspeed if anyone has put VGs on a 601HDS?
Allen B Posted 8 hours ago Posted 8 hours ago 2 hours ago, IBob said: Maybe ask JG at Stolspeed if anyone has put VGs on a 601HDS? 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 1
Allen B Posted 8 hours ago Posted 8 hours ago 5 hours ago, Kiwi said: In my Drifter if you adjust the airlerons down a few degrees it lowers the stall speed (and the cruise speed) on your aircraft are Ailerons set correctly? Have you thought about adding VG's ? 2 hours ago, Allen B said: Comparing the performance between the Drifter wing and the HDS wing and expecting a similar outcome for the HDS may be quite a stretch, but thank you for the suggestion. Regards the VG's, I have already purchased a sufficient quantity 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 on my part ?. Allen B
Moneybox Posted 7 hours ago Posted 7 hours ago 8 hours ago, Allen B said: 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. My Zodiac CH 601 HD has no flaps but is a beautiful plane to land in all sorts of terrible weather. My stall speed with just me onboard 67kg and about 70L of fuel is too low to register on the MGL instrument. It goes down to 27kts and then to zero before the stall. I have no desire to fit flaps.
BrendAn Posted 7 hours ago Posted 7 hours ago Just now, Moneybox said: My Zodiac CH 601 HD has no flaps but is a beautiful plane to land in all sorts of terrible weather. My stall speed with just me onboard 67kg and about 70L of fuel is too low to register on the MGL instrument. It goes down to 27kts and then to zero before the stall. I have no desire to fit flaps. he has the speed wing,
BrendAn Posted 7 hours ago Posted 7 hours ago (edited) 39 minutes ago, Moneybox said: Oh, I guess that’s what the S means. 🤔 Yes. Faster but the penalty is a high stall speed from what I have read. Edited 7 hours ago by BrendAn
Kiwi Posted 4 hours ago Posted 4 hours ago (edited) 3 hours ago, Allen B said: I don't think you understood my post. Lowering the trailing edge of your full span airlerons 5 degrees is the same as having 5 degrees of flaperons down. It wouldn't matter what aircraft you tried it on. It would still have the same effect. Lower stall speed and lower top speed. Edited 4 hours ago by Kiwi
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