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  1. #1251
    MinnFlyer's Avatar
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    RE: *** Ultra Sport Brotherhood ***

    The Goldberg Chippy is another of my all-time favorites!
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  2. #1252

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    RE: *** Ultra Sport Brotherhood ***


    ORIGINAL: MinnFlyer

    The Goldberg Chippy is another of my all-time favorites!
    Which plane flies better overall? The chipmunk was just so stable in all maneuvers....
    UltraSport #55

  3. #1253
    MinnFlyer's Avatar
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    RE: *** Ultra Sport Brotherhood ***


    ORIGINAL: Navy18

    Which plane flies better overall? The chipmunk was just so stable in all maneuvers....
    If you mean between the US and the Chippy, it's apples and oranges.

    The one you like better depends on the type of flying you feel like doing that day. The biggest difference is that the US is sleaker and faster
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  4. #1254

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    RE: *** Ultra Sport Brotherhood ***

    Navy18,

    I personally don't have one, but a friend I fly with has a US60 he built with an OS91 4 stroke on it and it flies VERY WELL, even though he didn't put retracts in it.............[X(][X(] Which, by the way, I still give him grief about...................

    David
    Fly Safe and Have Fun ! ! !
    Ultra Sport Brotherhood #22

  5. #1255
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    RE: *** Ultra Sport Brotherhood ***

    OH! You guys are KILLIN ME! Retracts, Retracts Retracts... LOL
    OK so now I am going to build another wing from scratch and put in these Dave Brown retracts I have sitting here.
    I'm fine with having two wings on hand. Just in case my thumbs don't match what I THOUGHT I could do. ha ha ha

    Retracts, moved outboard by 1 bay... Check!
    Some Preachers play Golf, I would rather FLY RC!
    Ultra Sport Brotherhood #74
    Hellcat Brotherhood #18
    NECPO #75 (North East Classic Pattern Organization)
    Vintage R/C Society #1016

  6. #1256

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    RE: *** Ultra Sport Brotherhood ***

    Has anyone ever tried to retrofit retracts? I have a 90% built US40 wing I got from someone and the gear blocks are in the tail dragger position. Additionally, I was thinking about adding them to my US60 as well which has the blocks in the trike position.

    I have both a US40 and US60 kit in reserve so I could always build new wings if it was easier.

    My old US40 had them and a US just isn't the same without retracts.
    Ultra Sport Brotherhood #82

  7. #1257
    MinnFlyer's Avatar
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    RE: *** Ultra Sport Brotherhood ***

    I don't think it would be at all difficult to retro-fit them
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  8. #1258

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    RE: *** Ultra Sport Brotherhood ***



    Hmm, maybe you're right. I'll give a try and see I can make it work. The removal of the gear blocks is the only part that worries me. Not sure how well those bad boys are glued in there and how to get them out clean. 

    Ultra Sport Brotherhood #82

  9. #1259

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    RE: *** Ultra Sport Brotherhood ***

    I am going to do it to a wing that I acquired on a partially completed US40 kit. I may have to replace the spars the blocks are mounted to, or at least double them up with a patch.

    The wing is not covered, so if I figure out a clean way to do it I will take some pictures and post them here.
    Rick
    Club Saito #725, Ultra Sport Brotherhood #104

  10. #1260

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    RE: *** Ultra Sport Brotherhood ***

    Nice. Thanks Rick. Same goes here if I find a good way to do it.
    Ultra Sport Brotherhood #82

  11. #1261
    MinnFlyer's Avatar
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    RE: *** Ultra Sport Brotherhood ***

    No need to take the old blocks out, just leave them in
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  12. #1262
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    RE: *** Ultra Sport Brotherhood ***

    I just finished building a US40+ wing with retracts and if the US40 and the US40+ have a similar wing structure it should not be too difficult. If you move the retracts out 1 bay as Minnflyer recommends then I would leave the old gear blocks in place.

    KaP2011
    Ultra Sport Brotherhood #110
    KaP2011
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    Ultra Sport Brotherhood #110
    Spitfire Brotherhood # 193

  13. #1263

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    RE: *** Ultra Sport Brotherhood ***

    I don't know why that didn't occur to me! 
    Rick
    Club Saito #725, Ultra Sport Brotherhood #104

  14. #1264

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    RE: *** Ultra Sport Brotherhood ***

    I know the US60 blocks can stay since they are in the trike poistion, but I was more refering to the US40 where the gear blocks are in the tail dragger postition.

    I think Minn's method of moving them out 1 bay would help with install, but it seems to me that I would still need to remove the blocks out so that the gear can have room to retract.  If i'm thinking of it right then the block is sitting right where the wheel should when the gear is up.
    Ultra Sport Brotherhood #82

  15. #1265
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    RE: *** Ultra Sport Brotherhood ***

    That's right, they would be in the way. Still should not be too difficult. A dremel cutter would do the job.

    KaP2011
    Ultra Sport Brotherhood #110

    KaP2011
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    Spitfire Brotherhood # 193

  16. #1266
    MinnFlyer's Avatar
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    RE: *** Ultra Sport Brotherhood ***

    Oh, I thought you were referring to the trike gear blocks.

    Even with the retract blocks, they could probably stay, you might have to cut some away with a dremel, but it beats having to remove them
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  17. #1267

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    RE: *** Ultra Sport Brotherhood ***

    You guys are probably right; I will try to just cut/grind out material vs removing the whole blocks. Thanks for the advice!
    Ultra Sport Brotherhood #82

  18. #1268

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    RE: *** Ultra Sport Brotherhood ***


    ORIGINAL: hrrcflyer

    Navy18,

    I personally don't have one, but a friend I fly with has a US60 he built with an OS91 4 stroke on it and it flies VERY WELL, even though he didn't put retracts in it.............[X(][X(] Which, by the way, I still give him grief about...................

    David
    Thanks for the report, hrrc... I have commited to the 91.... full speed ahead.
    UltraSport #55

  19. #1269

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    RE: *** Ultra Sport Brotherhood ***

    It's true about the Chipmunk vs the US, two different flying ships. I found the US to be a precise ship as opposed to the Chipmunk, but I really liked how the Chipmunk could be wrung out, knife edge loops and tumbles. I will say the US could pull off pretty much everything the Chip can, it just feels less sloppy.

  20. #1270

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    RE: *** Ultra Sport Brotherhood ***

    I'm not sure I agree with Minnflyer about moving the gears out board one rib length (4"). My first US had manuel retracts with standard length gears and the wheels were up into the belly pan. I was not all that pleased so when I built #2 using the same 6l OS with a 12" prop I shortened the gear by about 2 inches. This time the wheels were just out board the belly pan. Stability was greatly improved with the shorter VS longer gear. Even with the shorter gear there was still plenty of prop clearance on our grass field, even when it needed mowing. MY only complaint with the 90 US and a 61 OS is kniff edging. Either not enough power or enough rudder throw due to elevators. Have to admit it is a little slower, climb not as rapit or as high but over all satisfactory for an old toot.

  21. #1271
    MinnFlyer's Avatar
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    RE: *** Ultra Sport Brotherhood ***

    I do not do it for the purpose of making the gear longer, I do it to keep it from tipping over when turning on the ground. I used to fly on a VERY course asphalt parking lot, so dropping a wingtip on taxi could seriously gouge a wingtip.

    I only mention the longer gear because some people have had prop-clearance issues and this is a solution to that problem as well.
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  22. #1272

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    RE: *** Ultra Sport Brotherhood ***

    i've been reading minn flyers build thread and i am going to do the flaps and i'm sure i'll be doing laps and tail dragger retracts. However i have one question and that is i see that minn flyer used nyrods to connect his ailerons to the srvo. I have heard that nyrods are subject to trim changes in different weather. I just curious if any one has experinced this or is this just someone being anal? Phil
    ultra sport brotherhood #119
    P-47 Thunderbolt Brotherhood #54
    p-51 mustang brotherhood #68

  23. #1273
    MinnFlyer's Avatar
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    RE: *** Ultra Sport Brotherhood ***

    I'm glad you said it. I have used nyrods for years and I have never noticed any trim changes and I fly in temp ranges from "Whew" to "Brrrrrr!"

    Plus, suppose you DID find a trim change was needed... Isn't that what the trim buttons are for???
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  24. #1274

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    RE: *** Ultra Sport Brotherhood ***

    Ug...I wish mine had retracts now!  It's nice to have a simple sport plane, though...that 61 SF is like a timex watch...love it.  Still, if I run across a wing kit or salvage wing at some point I may retrofit to tail dragger w/ retracts.
    Goldberg Ultimate Brotherhood #79
    GP Ultra Sport Brotherhood #118
    Cub Brotherhood #130

  25. #1275

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    RE: *** Ultra Sport Brotherhood ***

    alright then Nyrods it is. this will be on the board after i finish the tiger 2 which should be in a few weeks. Next season will be fun. I'll have a tiger 2 a direct connection tsunami and and ultra sport .40. Does it get any better. phil
    ultra sport brotherhood #119
    P-47 Thunderbolt Brotherhood #54
    p-51 mustang brotherhood #68


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