flywise

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Everything posted by flywise



  1. flywise added a post in a topic California Power Systems 2-Stroke Tech Articles all in one place   

    Does us all good you're retired.....now you got time to get great info out
    Thanks, very much appreciated
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  2. flywise added a post in a topic Skis installed   

    Looks fantastic....
     
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  3. flywise added a post in a topic Just joined the Fat Avid Club   

    Hey Chris.....something in those lines maybe.....

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  4. flywise added a post in a topic Just joined the Fat Avid Club   

    Looks great....if this beauty were mine I would continue the blue colour from bottom of fuse along bottom of cowl to make the cowl look slimmer and unify the fuselage...
     
    My 2 cents...very subjective
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  5. flywise added a topic in For Sale and wanted, you got it, I want it   

    Landing gear for sale
    I found this on ebay....not sure if this could be fitted to an avid/kitfox but interesting nevertheless...
     
    http://www.ebay.com/itm/like/263511664754?vectorid=229466&lgeo=1&item=263511664754&rmvSB=true
     
     
     
     
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  6. flywise added a post in a topic Fred's films   

    The next traine queue coming up Fred....you have to go and bring us back one of you nice videos....you're on a mission!

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  7. flywise added a post in a topic Fred's films   

    That's fantastic Fred......one thing I am absolutely sure about...you must have changed your ski boots to fly the Avid
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  8. flywise added a post in a topic Don's Catalina Thread   

    Hey Don, 
    I would like to share my concerns about your subaru install idea...indeed the amphibian/catalina are tail heavyer when going from a 582 to a 912 install. I really believe the 912 is the maximum weight for this aircraft. It will have good performance and a safe c of g loading ability.
    Any heavier weight on the engine will make the cat a good and safe one seater I believe....remember you probably will have to ad some lead up front to compensate for the heavy subaru and in the end your useful load will be less than two adults.
    Do you have some idea about empty weight and c of g figures yet??
    Of course I may be wrong...but my cat has gone through very precise evaluation concerning C of g vs useful load. What I found is that the 912 is about the max it can take....
     
    Let me know your thoughts...
    Cheeers
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  9. flywise added a post in a topic Luga / Kool / "NR" Propellers   

    Here some info / comparaisons I have found...but not necessarily IVO vs LUGA (KoolProp/NrProp/Luga seem to be same manufacturer..)
    http://www.teamkitfox.com/Forums/archive/index.php?f-8.html
    http://www.stolspeed.com/id/62
     
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  10. flywise added a post in a topic Some good fun!!!   

    looks awesome. I think your Avid could get off the ground much faster with practice 
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  11. flywise added a post in a topic For sale soon - Avid MKIV   

    What is the empty weight? What's in the cockpit (vhf/transponder etc??)
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  12. flywise added a post in a topic Luga / Kool / "NR" Propellers   

    Still having my engine looked over......no engine no prop turning
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  13. flywise added a post in a topic Neat AoA idea   

    Fantastic, love it. 
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  14. flywise added a post in a topic CG Excursion   

    The guys I know of use the new extended leading edge as a reference for all c of g calculations instead of the original L.E... and this is what makes all moment arms quite different to what it should be (even though the L.E. extension is a small error it becomes a big one when you multiply by the arm dimensions to get your moment arm ).  I believe it's safer to use the original L.E. but am unsure of the effect...
     
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  15. flywise added a post in a topic Kitfox 1 Rebuild   

    Hey Jim,
    you're probably right when considering normal aircraft ops but when shit hits the fan and you come to a very sudden stop (like in a crash) it has been known that the pilot/pax could have survived the crash (even at 10 G's) but where killed or seriously injured by badly attached items  like elt's behind pilot's head, fire extinguishers, axe, batteries, bad seatbelt attachment, luggage etc.
    All items/bodies at a high deceleration rate become heavy and if not strongly attached transform into fast killing missiles...
    Just my 2 boring cent's to keep as safe as possible......
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  16. flywise added a post in a topic Kitfox 1 Rebuild   

    Hey Brodstol, nice progress.
    The one thing I can see I would really look at is your aluminum ? battery strap and your tray mounting. Your battery weight must be around 25Lbs and your hold down device should hold at least 10-12 g's (might be even more) which equates to 250-300Lbs.....you definitely do not want your battery come loose in heavy turbulence or crash...
    Here a good mounting method picture: 
     
     

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  17. flywise added a post in a topic evolution of the old avid Catalina   

    There is one more important item to consider when choosing an amphib....
    The Catalina is easy to get out of water when a sandy beach is available (best place to be..).....not at all for the Icon nor the seamax. When you power up to get out the water on a high thrust line aircraft it gives a strong nose down moment...any nose wheel will dig into the sand and you'll be stuck. The Catalina with it's large low press tires and conventional gear is happy driving onto sand....
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  18. flywise added a post in a topic evolution of the old avid Catalina   

    I absolutely agree about the Seamax being great. The only thing on my my avid catalina I prefer compared to the Seamax is the really big luggage compartment (or child seat). There is hardly any space in the Seamax.
    Besides the cruise speed (90 vs 115 Mph) the Catalina and Seamax are nearly identical in performance. Obviously the folding wing Seamax is still WAY..to expensive (for me at least) at 150'000 USD (2012) a second hand one not below 95-125'000.....A nicely built Catalina with 912s will end up around 35-45'000   
    In my opinion the A5 is a hyped up rich man's heavy toy. The usefull load is small, empty/gross weight too high and rate of climb pathetic (a very well hidden secret number). Another secret is the relatively high stall speed at gross (45-52 Mph vs 37 Mph for Cat/Seam.)...Water take off at gross is crazy long...
    1510Lbs gross for a 100Hp..........really not good weight to power ratio compared to Seamax and Catalina (15,1 vs 12 Lbs/Hp)
    My1/2 cent
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  19. flywise added a topic in Avidfoxflyers General Hangar   

    evolution of the old avid Catalina
    Look at this new 2 seat floatplane from France......interesting design features...
     
     
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  20. flywise added a post in a topic Step 2, Build Magnum!!   

    Hey Barry,
    on the airframes alaske website the T3 tail spring lists a weight of 5 Lbs....does that weight include the wheel???
    I would love a T3 but am very limited in weight increase in the tail...
    As it stands now my tailwheel spring (fibreglass) and wheel (6in) is at 3.3Lbs..
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  21. flywise added a post in a topic stretching avid mk4   

    Ha...on my catalina I have the best of all worlds then.....it is "stretched", has a light engine and a bigger wing.
    Sorry, just had to brag a bit....
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  22. flywise added a post in a topic New Rotax 670 Install   

    Hey GFRY, we fled europe because of the stupid EASA ......I as an AME could not sign off my own aircraft anymore, just another example of stupidity. Easa has tried to apply airline standards to General aviation...what a failure,  GA now is at a historic low.
    It is my opinion that you should easily and without hassle be able to change engine on an experimental aircraft......that is why they're called that way is it not!!!!
    My 1/2 cent
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  23. flywise added a post in a topic Amperage reading- 912   

    Hey Neloner,
    With your master switch OFF you should see the needle on the zero mark.
    when you switch your master ON you should read a discharge on your gauge (needle showing about 2 amps left of zero). As soon as you have started your engine your needle should go to the positive charge side (right side of zero) and recharge your battery + feed the electric consumers. You will have a higher reading just after starting and when your battery has fully recovered, your reading is going to show the actual electric consumption of the different consumers you have switched on.
    If your alternator or regulator fails you will read a negative value (left of zero) even with engine running.
    Cheers.
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  24. flywise added a post in a topic Catalina engine replacement   

    Damn....you're right there is still a crack.
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  25. flywise added a post in a topic Catalina engine replacement   

    Hey everybody, at last the engine has been unbuttoned and assessed for damage....please remember that I had the Xtra pistons in my engine...
    first the GOOD:
    no piston or valve damage
    crankshaft and bearings good
    pushrods straight.
    THE BAD:
    on one cylinder the piston oil scraper ring was broken and there were bits of the ring in the crankcase....
    one inlet valve had a bit of blow by.
    I was lucky to take the engine down before damage even though it was still going well. Listening to your gut feeling pays off ......
    I found out that the Xtra pistons were problematic. it was reported that oil consumption was high. The piston boss retainer clip is also weak and liable to break. Have no idea if the oil scraper ring broke because of overspeed....it is confirmed it did not break during disassembly....
    Now my engine (912 UL) is going to be fitted with ULS pistons and cylinders and my camshaft will be a high performance type. After that my 80HP will pump out a good 105 Hp but retain good reliability at a reasonable price (~4500 all included)
     




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