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Thread: First, Build a Shed

  1. #421
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    Default Re: First, Build a Shed

    I worked each cowl separately so don't feel alone on that rock in the middle of nowhere ... Regarding the form in place seals for the cowlings, I'm thinking of doing this on mine. I can't do anything yet as I'm laid up after a Carpal Tunnel op. but I'm planning on doing a simple test first to see what maximum thickness I can use before the cam spring bottoms out. I'm expecting to get a seal thickness of 0.040"-0.050" on average. For the seal release agent, I'm using spray-on wax that I've previously used in fibreglass work as a mold release.
    David
    SS7 Builder

  2. #422
    Senior Member efwd's Avatar
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    Default Re: First, Build a Shed

    I used a brick of wax purchased at a craft store. I rubbed it all over the under side of the fiberglass edge, then used the heat gun to melt it down to get good spread. I then laid down a bead of high temp silicone from the tube and then installed the boot cowl and fastened it down. I can't speak to how this works but I figure I am going to remove the boot cowl at my annual because I have some wiring I wan't to add and some trouble shooting to do on my connection between my Vertical Power unit and the G3X touch. It could be a mess or it may be sweet, we will see.
    Eddie Forward
    Building
    SS7, 912iS, Garmin G3X

  3. #423
    Senior Member Cherrybark's Avatar
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    Default Re: First, Build a Shed

    Even more rounds of the cowling on and off routine before I drilled the pilot holes for the camlocks. Started at the top center of the firewall. Of course, I cringed every time the bit punched through the firewall metal - reminding myself that I had checked and double checked that nothing expensive was in the the way of the holes.

    The second and third pictures show the attached cowling pieces sitting on the garage floor ready for cleanup and faring. The pilot side will be pretty simple but I'm not sure how to best correct the gap on the passenger side. I don't want to cut away the nice curve on the upper cowling piece so the job will be to build up the lower cowling shape. The faring "blob" will be about 1/4" at its thickest. Poly-Fiber Super Fil is a pleasure to work with but I'm not sure about using it to build up this thickness. West System epoxy mixed with their Microlight Filler makes a great faring compound and is very strong. I have both sitting on the shelf and will probably use the West.
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    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

  4. #424
    Senior Member Cherrybark's Avatar
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    Default Re: First, Build a Shed

    The camloc install step says to read a section in the "Notes to Builder". My document covers an older style of camlocs than these that came with the kit. I'll bet those tiny pins aren't to be messed with until the final install. Can someone point me to a document or give a quick run down on these jewels?
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    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

  5. #425
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    Default Re: First, Build a Shed

    Quote Originally Posted by Cherrybark View Post
    The camloc install step says to read a section in the "Notes to Builder". My document covers an older style of camlocs than these that came with the kit. I'll bet those tiny pins aren't to be messed with until the final install. Can someone point me to a document or give a quick run down on these jewels?
    I found a video on them but canít recall where itís at. For just FYI the are made by skybolt. I ordered some some new studs from skybolt directly to have a butterfly instead of a Phillips for the oil access door. I am going to also change out the turtle deck ones. There is a washer for the studs that you install at final assembly. The receptacles you are correct donít pull the pin out until the depth of the camlocs are set. You can adjust the depth in and out. Once all the camlocs are installed I went through and adjusted the depths then pulled the pin. Makes it easier to install and remove cowl. You can put them back in but kind of a pain. I lost count at about 100 of how many times I installed and removed my cowl.🙂 not really but it had to be close
    Dustin Dickerson

    Building 7ss STI x 2
    Oratex
    29" shock monster
    EP912STI 155hp
    Garmin
    N33TF
    N53TF

  6. #426
    Senior Member Cherrybark's Avatar
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    Default Re: First, Build a Shed

    I'll look for that video Dustin. Replacing the Phillips with Butterflies on the oil access door sounded like a great idea. Then I read Eddie's comment about using a fuel sampler that had a screwdriver blade on another thread.
    Last edited by Cherrybark; 08-03-2019 at 04:58 AM.
    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

  7. #427
    Senior Member efwd's Avatar
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    Default Re: First, Build a Shed

    Flip those connectors over. Notice that on the opposite side there is a little notch extending out from the center and into the flange. I notched the hole on the fiberglass and Stainless firewall to accommodate the notch. Now I can use a scribe or narrow pick, insert it from the outside to lift the locking spring, turn the barrel with a screwdriver, pull the pick and it locks back down.
    Eddie Forward
    Building
    SS7, 912iS, Garmin G3X

  8. #428
    Senior Member Cherrybark's Avatar
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    Default Re: First, Build a Shed

    I played with a pair over morning coffee. The adjustment and locking mechanism quickly made sense. Very clever of you to make them adjustable when mounted.

    Keep posting flying pictures. They are inspirational and it's great to see you having such a good time. Decided on your next project yet?
    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

  9. #429
    Senior Member Cherrybark's Avatar
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    Default Re: First, Build a Shed

    This is my cowling. There are many like it, but this one is mine.

    Working on the cowling revealed several, small unfinished projects that needed doing: trim switch and indicator wiring, fuel pressure sender and wiring, a couple of communication (cam bus) cables from the 912iS to the Garmin engine interface. I spent an evening redoing the lacing that secures the wire runs so things are tidy. Along with those chores, life got in the way for awhile and the cowling work seemed to drag on and on. But the cowling was finally hung this evening. The adjustment of the camlocs is very rough with the "bases" at full extension to have the best chance to catch the screw parts. There will be a lot of trial and error adjusting to get a satisfactory fit. I'm really looking forward to getting on with the radiator and various scoops. That work will give me plenty of opportunities to adjust the fit.
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    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

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