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  1. #1476

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    RE: Scratch building 105

    Here I'm illustrating by using actual nose gear doors that i make long time ago, i made 3 tape hinges on both forward nose gear doors how they 2nd door is secured on the gear leg and 1st door is hinged and slides in n out hinged together with 2nd door.
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    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  2. #1477

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    RE: Scratch building 105

    Nobody can figure out how the first door can be supported so it slides out and stays parallel to the fuselage's belly in gear down position?
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  3. #1478

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    RE: Scratch building 105

    Hi Sam,

    Nice job you are doing on the Connie.

    Here is some food for thought for the front gear door.

    George
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  4. #1479

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    RE: Scratch building 105

    Hi George,

    I like ur idea but it will not work due to the main mounting aluminium frames are on both edges of the gear door opening and then strut is mounted with in the centre of the frame. Take a look at these pictures.

    Another method is needed here, a method with some sort of locking hinges

    or a thin piano wire to hold is in place while it opens and closes

    or some sort of rail with roller system.
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    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  5. #1480

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    RE: Scratch building 105

    Sam,

    You have to make a, to scale, side view mockup of the nose gear and doors so that you can see exactly what is going on when the nose gear retracts. Get the strut angle and pivot point correct.
    This is what I did with the Tu-95 gear. If you do something similar it will help you position linkages for the nose doors.

    George
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  6. #1481

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    RE: Scratch building 105

    George,

    I like how you did urs based on drawings and mock up while taking sequence shots as gear articulates fully into the nacelle's body.

    I can sure do the same based on initial drawings i have while using my actual nose gear assembly to see what is going on, otherwise making a mock up of the gear's assembly will take forever to do and i want to get this airplane in air before then end of this year...

    I'll do this today once i regain enough energy in my body as i didn't sleep at all last night due to my crazy cat meowing it and running and jumping stupidly through out the house!...
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  7. #1482

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    RE: Scratch building 105


    Here you go George, sorry for the delay, being weekend, had to do few things aside from the hobby...


    Let me know what you think...I took these best I could, if you need any specific close up ones at certain angles of the strut leg then let me know.


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    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  8. #1483

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    RE: Scratch building 105

    Now with both front Doors D1 and D2 with the strut manually articulating...
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    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  9. #1484

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    RE: Scratch building 105

    Sam,

    Maybe this diagram will help you figure out how to attach the gear doors to the strut. The attachment to the strut may have to be a sliding attachment. Lots of trial and error to get it to work plus getting the font door to seat properly.

    My suggestion is to fly the plane without the nose gear doors if you want to fly it this year and then spend the winter getting the doors to work.

    George
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  10. #1485
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    RE: Scratch building 105

    Sam.....
    Your build looks great!!!!!!!!!!!! planing on having it complete by spring? I know you want to do it in TCL colours but why not leaving in the colours tyou have it in at the moment. It looks good. Fly it for the season and make the colour change next winter. get soem air time under your belt and reap the fruit of your build..
    Dave
    Can fly, But sure can\'t spell

  11. #1486

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    RE: Scratch building 105

    ORIGINAL: flysrc

    Sam.....
    Your build looks great!!!!!!!!!!!! planing on having it complete by spring? I know you want to do it in TCL colours but why not leaving in the colours tyou have it in at the moment. It looks good. Fly it for the season and make the colour change next winter. get soem air time under your belt and reap the fruit of your build..
    Dave

    Well simply coz this project started at the time when Canada lost CF-TGE and this would be replacement for it gracing Canadian skies in miniature scale plus guys who donated rolls of Aluminium aviation high speed repair tape plus flitemetal are disappointed that I didn't used that on the model and did it up in PIA's livery instead. I just want to full fill my promise that's all but if they change there minds and accept this livery then I'd gladly keep it for couple years and fly it like this....
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  12. #1487

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    RE: Scratch building 105


    ORIGINAL: ampbomber

    Sam,

    My suggestion is to fly the plane without the nose gear doors if you want to fly it this year and then spend the winter getting the doors to work.

    George

    Taken and it really makes sense as this will take time to properly figure it out George....
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  13. #1488
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    RE: Scratch building 105

    That prop gear door is complicated any way you look at it. Get the bird in the air and figure it out later.

    Did you sort out the engine starting sequencer?

  14. #1489

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    RE: Scratch building 105


    ORIGINAL: iron eagel

    That prop gear door is complicated any way you look at it. Get the bird in the air and figure it out later.

    Did you sort out the engine starting sequencer?

    It sure is and i don't have drawings showing how it's mechanism was made...

    Looking to buy Spectrum DX18 soon, that will takecare of engine starting sequence....
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  15. #1490

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    RE: Scratch building 105

    Hi Sam,

    After looking at a few pictures of the front doors it appears that they used a very simple method to do the doors.

    It appears that the rear front door is attached to the strut in three places. You will have to retract the nose gear and then attach the rear door to the strut. Lower the gear and see where the front door happens to be in relation to the strut and fuse.
    If you are lucky it will be in the right spot and you can go ahead and attach the front door. If it is off position you may have to resize the rear door so that it will be in the correct position then resize the front door.

    Hope this helps.

    George
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  16. #1491

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    RE: Scratch building 105

    Hi George,

    Either the hefty springs on those hinges or some sort of locking ends that dosen't let door to fall on it's front and keeps it parallel to the fuselage, then front rollers roll on the belly skin but i'm not sure how rear rollers or support props the door.

    I tried to find the relation of front door tot he strut by placing it on the belly with gear retracted with a pice of balsa in between the two taped together, and then tracked the gear out to find the right angles and position. It seemed to work out right but D1's issue started. This I will tackle over the winter after Connie's maiden flight...

    Hey Timex, thanks a lot for digging this up for me, btw how is ur C-133 coming along?
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  17. #1492

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    RE: Scratch building 105

    Sam,

    Have fun with the doors this winter.

    C-133 is being covered with Flite Metal. Progress is usually posted here : http://cargomasterraster.blogspot.com/

    Got your snow blower ready?

    George

  18. #1493

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    RE: Scratch building 105


    Super Flitemetal work ur doing there Timex.....Loving it. Registered on ur blog there n will post.


    Updates form last couple nights...

    Fixed damaged right side fuselage green stripe, added windows decals and applied fuselage titles and aircraft registration number AP AJZ....

    To add titles, I had to paint vinyl letters with same green paint as stripe first n then application...

    BTW, last nite all the missing "N's" were applied to the titles!
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    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  19. #1494

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    RE: Scratch building 105


    Last night made remaining 3 rear cowl dome pieces out of 6oz CF, all are now cured waiting to be trimmed from access flash and installation on the nacelles...
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    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  20. #1495

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    RE: Scratch building 105

    Finally made a mechanical elevator control setup, it's old school type with a rod bend 90 degrees on both ends, with another "L" arm solder 90 degree downwards with A thin binding wire and has brass bushings made from tubes to be used as hinges of the control arm.

    This was later installed at the hinge line at the center of the stabilizer and fuselage, I also made my very first series of many access hatches to be able to access in the fuselage from left side to connect the connectors of both elevator push rod to the control arm. deflection tests gave following deflections figures.

    Up deflection is 1"-3/8"
    Down is about the same....

    To do this, it took 4 hours to do!...
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  21. #1496

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    RE: Scratch building 105

    Making and then will install center rudder control mechanism. Both OB rudders will be fly by wire controlled with servo in the fins but center one is internally controlled with mechanical set up.

    With this method I'm saving weight in the tail by placing HD MG rudder servo in the center of the fuselage besides elevator servo. Both will operate with CF push rods.
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  22. #1497

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    RE: Scratch building 105

    Looking good Props. There is light at the end of the tunnel!

  23. #1498

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    RE: Scratch building 105


    ORIGINAL: Chad Veich

    Looking good Props. There is light at the end of the tunnel!

    I can see it now Chad, I can see it my friend....I'm now looking for a test pilot for this bird's maiden flight or a really good spotter as my Co-pilot...


    Model's Update:

    Both out board rudder tail servos are installed in the fins, now making servo mounting platform in the center of the fuselage for elevator servo and center rudder servo operation.

    Elevator servos is Savox SC-0251MG
    All 3 rudder servos are Hitec HS-5475HB's


    On all L1049H models there were 2 large cargo loading and unloading doors, one at front left and other on rear left of the fuselage. I was thinking on making rear large cargo door as hatch but now I don't see a reason to as there will be only wires and push rods in this section for the tail plane. I do plan on making front cargo door as access hatch for the electronics and gauge panel in there. This door will be hinged at the top and at the bottom I will place 2 earth magnets to secure it and may as well place 2 more magnets in the center of both side frames of the door.
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    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  24. #1499

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    RE: Scratch building 105

    Another day is going to be spent on making, test fitting and then glueing all the new main gear bays reinforcing parts. After all major parts are installed with satisfaction, to make these rails and both gear bays robust, layup of 6 oz Carbon fiber cloth will be done in a way the forces will transfer into the full gear bay structure and not just be left on these rails only. I have to do this to make sure aircraft will keep flying and doing takeoff and landing with peace in mind and not being always worried about on the back of my mind that rails or this structure would fail on me, off course unless heavy botch landings happen then things can get different...
    I do believe in KISS (Keep it simple silly), but doesn\'\'t mean my models fall in this category!
    CUB BROTHERHOOD# 173

  25. #1500
    iron eagel's Avatar
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    RE: Scratch building 105

    Sam, just be careful of the weight all of this is going to add to the airframe.


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