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Narfi's Life after EU: Chapter Five - CH750-SD 3 Place Aircraft

Discussion in 'Life, the Universe and Everything' started by narfi, Sep 5, 2020.

  1. narfi

    narfi Lost

    This week we purchased plans for our new project.
    It will be a scratch built 3 place bush plane which we will build floats for as a secondary project after it is flying.

    These planes are normally purchased as a kit with all the aluminum cnc cut and drilled so the customer only has to put it together (they say 3-400hrs but more likely 2x that) but we will be building every single piece(will probably buy some of the more complex parts like the formed windshield etc...) from the blueprints and then putting it together, so it should take us much longer.

    We will start making pieces this winter in our tent, but the plan is to build a heated shop next spring/summer and by next fall be building in comfort and style :)

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  2. Wistrel

    Wistrel Kick Ass Elf


    (Can you fly?)
    Last edited: Sep 6, 2020
  3. narfi

    narfi Lost

    I soloed when I was 16 and got my license when I was 17. The license never expires but I haven't flown in quite a few years, though I am around aviation daily..... I am a small aircraft mechanic.
  4. Wistrel

    Wistrel Kick Ass Elf

    The difference between people when growing up is amazing... at about the same age I was trying to build an RC glider - never finished it :cry2: (I think I was inspired by the Sky Pirates kids film growing up [an 80's rerun] and my family used to go to airshows). The idea of getting a pilots licence at that age... or even afford a single lesson. I can't even imagine it!

    Fast forward many many years, my first "flying" was a double set of 2 channel RC copters that you could battle another player with and shoot each other down with IR. Was pretty fun although really hard to fly. Actually, during lockdown, due to breaking all my little quad's props, I've been flying an IR copter around the room whenever I need a screen break. Guess that is one of the benefits of working from home... can't really fly model helicopters around an office! I'm definitely getting better at it though! I'm trying to fix up a slightly bigger one I have that is "allegedly" outdoor capable. Reality is you need to be good at flying backwards but I have some ideas that might improve that situation.

    Anyhow. Mind suitably blown. Looking forward to following along. Aircraft Mechanic... well I never!

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  5. narfi

    narfi Lost

    I spent some time cleaning up the mess I made in the tent last 3 years boat building, still need to organize some tools and get the dust off all the shelving/benches.
    I have a 14'x35" strongback made from 2x8s and sheeted with plywood, thinking I might stick legs under it and a couple sheets of plywood to make a big table for working on this winter. Would give me a nice 6" overhang maybe reinforced with 2x4s or something.... or maybe just cut down some mdf and cover the existing size, the current sheeting is in pretty rough shape.

    Started watching the homebuilt help videos, need to rip them to a usb stick before I scratch any of the disks. Was trying to think and I cant remember the last time I used disks for watching anything.

    The plans arrived yesterday. Zenith included the SD assembly manual and the 750STOL blueprints with some parts in the horizontal and elevator pages highlighted. I assume those are the ones for me to start building, but sent roger an email to verify.

    Starting to make a tentative list of stuff to order before I start, some tools some supplies, etc....

    I found a list someone had made where they estimated the aluminum they would need for their 750stol,
    9 sheets .016
    10 sheets .020
    3 sheets .025
    2 sheets .032
    1 sheet .040
    1 sheet .063

    1/8" and 5/32" avex countersunk rivets (how many of each to start with?)

    1/8" and 5/32" clecos (how many of each?)

    Pneumatic and hand rivet pullers with Zenair modified heads

    Probably one of the Builders tool kits off Aircraft Spruce (is there a better place to look for the basics bundled together?)

    Cleco Pliers
    Metric squares and straight edges
    Compass and Protractor
    Assorted pencils and pens
    Snips and olfa knife

    Belt sander
    Band Saw
    Drill Press
    Router Table

    A couple extra sheets of 3/4" plywood for making form blocks

    Once I have a pretty good list together and finished, then negotiations with my wife begin...
    I have laid the ground work by buying her a brand new retro scooter like she has always dreamed of, and she is expecting a big lump cost starting out this project, but still I need to be wise with it.

    Like_50-1-1024x723-1-1024x723 (1).

    I own or have access to most of the tools at work already, but want to be doing most of this at home, starting in our boat building tent and moving into our new shop next fall when it is done.

    The boats were pretty much just skill saw, table saw, hand held router and random orbital sander, I do have some misc. stuff xactos, dremil, hammers, wrenches, sockets, cordless drills, etc.... but nothing really focused toward sheet metal at home.

    We have a local Aircraft Spruce warehouse (about 10% higher prices than the southern warehouses) so I will use it as my base price when shopping around for best prices. Not sure how realistic it is, but hoping to start with around $5-6k of supplies and keep the average going forward to under $750 a month.

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