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  1. F

    Gross weight increases for 'stretched' aircraft

    MAP, Thanks for your time, that is helpful.
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    Gross weight increases for 'stretched' aircraft

    PS, I have slept in the back of the stretch build pacer behind the front seats and a pa-12. The pacer wins hands down (but I could be biased). If I want to make money for business, I'll take a Cessna any day. 206/185's are 1/2 ton pickups of the bush... But I'd probably also have a cub to...
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    Gross weight increases for 'stretched' aircraft

    MAP, Where was the weak point of the wing located on your analysis? Which struts were you using for calculations? I am curious if the drawing attached "looks about right" or if adding ribs and the extra compression strut with shorter drag/anti drag wires was a right idea or bad one. Compared to...
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    Gross weight increases for 'stretched' aircraft

    I have asked a few engineers that didn't really have the time or desire to discuss any details, gotchas, or things to watch out for. I even put a few questions up on this forum during my build to see if it was crazy or not. As a result I took matters in my own hands and did a few months of...
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    Gross weight increases for 'stretched' aircraft

    I have recently completed a stretch pacer build. I lengthened the fuselage 22 in as per the drawings but instead of putting cub struts and long wings, I decided to stretch the pacer wings 18 in each side, as much as they allow in the certified world (31ft span) As a result of not reinforcing any...
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    Cold Weather Flying Tips?

    Don't chop the throttle and plan your descents early, stepping down the power settings every minute or so. Some of the big continentals tend to crack if you chop n drop!
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    Carbon fiber lift strut attach points

    Thanks for the replies everyone. I haven't been able to get on here recently due to work. The attach points have been my biggest concern, there is a sailboat mast company that is willing to design and build me a set. $5k for about 10 lb savings vs $2k for steel or aluminum. I don't think the...
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    Carbon fiber lift strut attach points

    As I have been browsing around for some lift struts for my pacer project, I came across carbon fiber masts for sailboats and have wondered if there has been any tested carbon struts on aircraft and what the most acceptable process to create attachment points to each end. I was originally...
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    Slotted flaps, am I on the right track?

    Here's a picture of one completed wing.
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    Cable routing, does adding a pulley change throw rate?

    In a closed loop aileron system, I see that I may need to add a pulley to allow for clearance of my flap pushrods. I have all my bellcranks in place and prefer to leave them where they are unless I really need to move them. The photo attached may give a better idea, but my main question, is...
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    Is there a 'complete unit' with nav/com/gps/adsb/xpnder?

    I just bought a new Grt efis/ems for less than $4k from spruce. It's their basic package but will do the job. I've seen a few gtx 327's floating around for $500 used on ebay, same cheaper deals on becker radios as well.thats my whole panel. $5k not everything I want, but it's more than I need.
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    Lycoming 0-290 flywheel on an O-360

    I was wondering if anybody knows if one could use a flywheel off of a O-290, ream out the holes to 3/4in, index one of the holes for the stepped lug and install it on an experimental O-360? Are they made from the same blanks or is there any difference in strength/casting? Seems like the starter...
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    Slotted flaps, am I on the right track?

    Nice, yep. I used flap 2h to shape mine and the location they recommended at 50 degrees. The TOWS strangely resembles the naca report posted at the beginning of this forum. My bellcrank mockups were sticks of wood so I could have them in place and make sure they fit in the TE box, I'm too far in...
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    Slotted flaps, am I on the right track?

    The mock up idea sounds good, might have to try it. My bellcrank is going to resemble Backcountry supercubs in shape. I thought about shortening the flaps, but I'm pretty sure I'll just use four hangars and two bellcranks for ease of mind. Just built my aileron bellcranks yesterday and will...
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    Slotted flaps, am I on the right track?

    I am doubling the length of the bellcrank to get 50 degrees of travel on the flap while not allowing overcentering of the arm on the flap side. Since the hinge is now 2.5 inches lower, my thoughts are that the mechanical advantage is more on the distance between the hinge point and pushrod on...
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    Slotted flaps, am I on the right track?

    Attached are pictures of the hinges I have built. They are basically Bearhawk style wing side (spherical bearings go in the holes) and RV-10 flap side. I rounded the front of the flap itself as you mentioned. So you wouldn't be concerned about the torsional loads on the rear spar from the...
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    Slotted flaps, am I on the right track?

    Johnny O, So if I have 114x17 in slotted flaps on a hinge dropped three inches, would you run two bellcranks or one? I guess my concern would be loads on the piper rear spar, all hinges are within a few inches of compression struts. I remember you mentioning flap stiffness, as I am building...
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    kitfox vs highlander

    I can honestly say, owning a Kitfox IV is a great plane. Super light, cruises 90-95 mph, gets off the ground in 200 feet solo. When it came to getting parts and support, the crew in Homedale were marginal at best, shipping items to wrong address (in AK), twice in a row while blaming me after I...
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    Stewart Systems Alternates/substitutes

    Well I can attest for it yet, but I just purchased paint frim Hipec. A company based in Canada. Cheap, light, three coats, no stitching or tapes... Bold statements but I'll let you know how it comes out. They even have STC for some aircraft I think.
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    Favorite airports

    Walikale. A 15 ft wide road with a 20 degree turn halfway down the designated runway section. Can be seen on youtube
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