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Thread: New kid on the block - Smith Cub

  1. #41

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    Dan
    I'll be happy to..Just need to take some picks Thursday when I go fly.
    Mike
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  2. #42
    Buzzcola777's Avatar
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    Aluminum Panels - Upper Baggage Section - Part 1

    This one is a little bit more challenging due to the fact that the elevator trim cables and the flaps cable go through this area. The box is easy enough but the learning curve to fold the covers makes me appreciate the metal tech trade. But hey, working with this 3-in-1 Shear / Brake / Slip Roll metal machine makes easier for sure. Learning new skills is just what’s all about, Right?



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    Little template just to make sure Good thing that I did a cardboard before... Riveted to the upper Baggage Panel
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    Front Panel - Upper Front Panel Upper Made couple clips to attach side panel
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    I try to use anchor nuts vs metal screws Fixed on the side panel Now the flap cover attach to the front panel
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    Ready to go

    Part 2 is coming up!
    Dan

  3. #43
    Buzzcola777's Avatar
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    Aluminum Panels - Upper Baggage Section - Part 2

    All the cutting & bending is done, time to complete the upper baggage section...

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    Parts almost ready Need to reinforce the top panel with braces Better support now
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    You can see the pulleys for the trim cables Side panel to be added
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    Better view of trim cables cover Flap cable cover Giant microwave!

    Next...Upper cabin.
    Dan
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  4. #44
    tedwaltman1's Avatar
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    I mentioned earlier on this thread that I built carbon fiber floor panels for my experimental SQ-2 cub. I created this PDF explaining my process. I list material sources (links) in the PDF for everything one might need to purchase. This is a first draft. My wife just brought me a beer and appetizers so I'm not going to proof-read this before posting! Please send me feedback. Email and phone contact info in the PDF (or PM me here on the forum).

    Create carbon fiber floor panels http://eaerofab.com/docs/Ted_CF_Floor.pdf

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    Last edited by tedwaltman1; 06-29-2020 at 07:08 PM. Reason: Added picture
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  5. #45
    Hardtailjohn's Avatar
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    Excellent writeup!! Thank you Ted!
    John
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  6. #46
    Buzzcola777's Avatar
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    Top-notch workmanship Ted! Very instructive and well detailed. It is certainly the option of choice for saving weight and adding a touch of class to one’s project. Thanks for sharing! Dan
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  7. #47
    Buzzcola777's Avatar
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    Aluminum Panels - Upper Cabin Area - Part 1

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    Need couple measurements first Cabin back panel with its counterpart Fitting it Done!
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    Top panel in the making Need a stiffener to keep it straight Done!

    Next will be the side panels with ''D'' window.
    Dan
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  8. #48

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    Dan
    Sorry it took so long...
    I bought it from the original builder. Engine is a pumped O-360 with an 84 inch Mac prop. Incredible performance at our altitudes (mornings are around 8000 DA). Stalls at 30 mph at around 1800 lbs. I removed the die spring struts and put on a set of Acme Aero gen 3 struts. I run 26 inch goodyears because of the cactus needles where we land off airport. Tires do great in the rough clump grass and cactus. Would love to keep 31s on but they wouldn't last long here in the high desert.
    MikeClick image for larger version. 

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  9. #49
    Buzzcola777's Avatar
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    Hey Mike,
    Great Cub you've got there!! I had never heard about these high performance shocks from the ACME AERO...Great stuff! For those who have not seen it here is a link: https://www.youtube.com/watch?v=P9lMZSNLvfA . Thanks for sharing Mike!
    Dan

  10. #50
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    Aluminum Panels - Cabin Area - Side

    Took me a while to figure out how to make theses ''D'' windows. I guess, there's more than one way to skin a cat! (Question: Why would you skin a cat???)

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    First, I make a marker with a lead (5mm) to trace the shape of the ''D'' window.

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    Bubble level to keep it square with panel.

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    Couple strips cut-out in order to form the ''D'' shape.

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    Draw bend lines & drill a hole at each intersection.

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    Cut at an angle.

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    One strip done...

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    and bent.

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    Drilled & clecoed in place before cutting out the window.

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    Ready to be installed.

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    In action!

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    I chose to install a strip on top and around the window for better look. File it all around to make it flush with contour

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    Countersink rivets

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    Next I made all the trims for the windows.

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    I wanted to make sure that I could remove the side panels when required, so I made a small part and....

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    ...I installed it under the top strip and screwed it to the frame (3 x countersink screws). To remove this panel now, it only takes a minute!

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    Side panels and ''D'' windows...Done!!

    Dan

  11. #51
    Buzzcola777's Avatar
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    Battery / Storage Box

    I just can't decide where the aircraft's battery should be installed..Firewall or under the passenger seat? Trying to weigh the pros and cons on the matter...But one thing is sure, the importance of stowage and storage in a PA-18 is indisputable. Therefore, I will be building a box that will go under the passenger seat and that can accomodate most of the batteries on the market. So, I the options will be there (Battery / storage or storage only) when time comes. Let's begin...

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    I have built two different boxes (cardboard) to see which one would do the job best

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    Other view...

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    Chose that one...Less complex to built...I think

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    Couple bend lines

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    Photo for the Feds...

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    Bending done for the main structure

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    Drawing for the front and back cover

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    All parts ready to be installed

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    Dimpling and riveting

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    More to follow!
    Dan
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  12. #52
    Bearhawk Builder's Avatar
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    Nicely done!

  13. #53
    Buzzcola777's Avatar
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    Quote Originally Posted by Bearhawk Builder View Post
    Nicely done!
    Thanks!

  14. #54
    Steve Pierce's Avatar
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    What engine are you planning on using and what is your mission for the airplane? I prefer the battery in the stock Super Cub location because most of my flying is light and it keeps the CG further aft. The underseat and firewall mounted batteries move the CG further forward than I like. Of course you are experimental so you can use the small EarthX battery and save a lot of weight.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers
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  15. #55
    Buzzcola777's Avatar
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    Hi Steve,
    The mission for this bird is to be a Gentleman’s bush plane. I have no intention to be the guy that lands & takes off the shortest distance but rather be the guy that can go anywhere (On & OFF Airport )in a comfortable cockpit well equipped for Day / Night (IFR if I have to). Flying for the Army, I discovered the Canadian North. We flew from Montreal to CFB Alert (2500 Miles) straight North every year for months and seen all these beautiful landscapes that I would like to share with others. That’s why I bought a 0-360 and equipped this aircraft with 72 gallons of fuel (Main tanks = 2 x 24 Gals and Aux tanks = 2 x 12 Gals). I prefer to have the fuel in the wings vs belly pod. Something that I learned up North is don’t trust forecast weather and the fuel cache. I slept in the open many times due to the fact that I was stuck in bad weather based on a CAVOK forecast!! As the say ‘’One Man, One Kit’’.

    I love winter flying! That’s why I hesitate to locate the battery way back there. By having it located on the firewall (Earth X as you mentioned) I would remove around 10 pounds of cable, keep the battery warm and probably get better starting and also easier access for maintenance or boosting cables. I’m also planning to buy a Catto prop which would save a bit of weight.
    Hope this give you a better insight of the mission...
    Dan

  16. #56
    Steve Pierce's Avatar
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    Souds like a good plan. The Catto prop will help conciderably with the forward cg issue we have with certified 180 hp Cubs with the 1A200 prop which is very heavy.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers
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  17. #57
    Buzzcola777's Avatar
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    Darn! Modifying Top Panel - Cabin Area

    Darn!
    When I sat on the passenger’s seat to take references for the top panel I did not, well you guessed it…Sit on a cushion, daaaaaah!! So, after fixing the cushion part, it was crystal clear that I needed more headroom. Did not have the choice but reshape the top panel…

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    Always start with a little drawing

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    Trial fit

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    Let's bend it!

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    Done...Let's work on the top panel.

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    Transfering drawing to the panel

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    Don't you hate cutting open a brand new panel Aaaaaargh!

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    Getting there!

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    Assembling cabin parts together

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    Better clearance now

    Dan
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