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  • What bolt where

    Just started a QB 5 kit. I know Virgil is working on improved directions which will be done just after I finish with my luck.

    1. Is there a list of what fastener goes where?

    2. How about torque values?

    Thankfully Aircraft Spruce is drivable from my shop. Any other advice, tips or tricks would be greatly appreciate. It’s been very helpful to search the forum. Add a coffee and it’s a great way to start the day!
    N750HT - Model 5
    KCNI
    https://eaabuilderslog.org/?blproject&proj=8Fr0X26jS

  • #2
    Unless things have changed I don’t think there was a very useful list anywhere. I started out with a hardware kit from Wicks then just had a big order of a variety of AN bolts, nuts, washers from Spruce. I just saw what fit as I needed them then ordered whatever I got low on. Not the most efficient from a cost perspective though. I think every AN3 and 4 bolt size up to 2 inches times six plus nylock nuts (AN365?) and castle nuts, plus washers for each size times a couple dozen. For a start - you’ll need much more as you go. Lots of AN3-3 through 10.
    As for torque values just use the standard value from a chart in I believe AC 41.13.
    After you torque a few though you’ll probably get a good enough feel for how tight they need to be and only actually torque more critical assemblies. If anyone here thinks that is irresponsible advice feel free to correct me - but torquing every nut would have added months to my project!
    Last edited by AKKen07; 11-26-2024, 06:36 PM.
    Almost flying!

    Comment


    • #3
      Screenshot_20241127-051759.png This is from AC43-13. You will probably find yourself most often in the upper left box if you are using standard nuts.
      Last edited by jaredyates; 11-26-2024, 06:56 PM.

      Comment


      • #4
        There is a pretty comprehensive listing of what goes where on the Bearhawk Aircraft website. You can find it in the resources, manuals area under Bearhawk 5 resources first item. Or from here:https://www.bearhawkaircraft.com/s/M...l-out-REV1.pdf
        Bearhawk 5 Advanced Quick Build #49

        Comment


        • #5
          Thanks! jfoz that’s great thanks. Just knowing where to look is half the battle.
          N750HT - Model 5
          KCNI
          https://eaabuilderslog.org/?blproject&proj=8Fr0X26jS

          Comment


          • #6
            Originally posted by pnh2atl View Post
            Any other advice, tips or tricks would be greatly appreciate. It’s been very helpful to search the forum. Add a coffee and it’s a great way to start the day!
            Rather than exercising control over your inventory to keep it sparse and expenses frugal, let your hair down a bit and exercise some freedom. For example smaller shorter bolts get used more often. I addition to bolts that Plans says I will need, I now keep these items in my hardware inventory. Its a blessing to need something, and go over and get it. When I start running low, I order more. I do this to expedite building and lower shipping cost.

            -AN3A bolts every size under 1.25 inches.
            -A bolt drilling jig so I dont have to inventory drilled bolts of any kind.
            -AN4A bolts under an inch.
            -Nuts from #6 machine thru AN6....both shear nuts and tension nuts, both elastic stop and all metal stop nuts, plan thin nuts, tension castle nuts, and MS21042n nuts. They are lightest of all. So that means 7 kinds of nuts for each bolt diameter. If that sounds crazy, you can build with five kinds, tension and shear ealstic and all metal, plus plan thin ones for your jam nuts.
            -Cotter pin inventory, just short ones to fit AN3 thru 6 bolts.
            -Nut Plates. k1000, MS21047 dimpled, K-2000 one leg. I think I seriously installed 1000. Size 6, 8, 10, If I build again, I might consider using just 8's and 10's. weigh a #6 and a #8 screw and nut late and youll see why.
            -NASA1097 rivets.

            Ran out of time. Gotta go. Washers, Adle Clamps, machine screws, rivets size 3 and 4, get 1/2 lengths too. Just keep a good inventory to avoid all the shipping charges and stop the interuptions that happen when you need somehting common.

            Brooks Cone
            Southeast Michigan
            Patrol #303, Kit build

            Comment


            • DBeaulieu
              DBeaulieu commented
              Editing a comment
              That there is excellent advice

            • svyolo
              svyolo commented
              Editing a comment
              Yep. I did the same. If you have the correct bolt, you won't be tempted to "make do". I bought a bunch of organizers for bolts/screws/etc. invaluable. I am a pretty disorganized person, but not with this. You will use lots of AN3 stuff, a reasonable amount of AN4. Buy AN5 and 6 as needed.

          • #7
            Originally posted by Bcone1381 View Post

            Rather than exercising control over your inventory to keep it sparse and expenses frugal, let your hair down a bit and exercise some freedom. For example smaller shorter bolts get used more often. I addition to bolts that Plans says I will need, I now keep these items in my hardware inventory. Its a blessing to need something, and go over and get it. When I start running low, I order more. I do this to expedite building and lower shipping cost.

            -AN3A bolts every size under 1.25 inches.
            -A bolt drilling jig so I dont have to inventory drilled bolts of any kind.
            -AN4A bolts under an inch.
            -Nuts from #6 machine thru AN6....both shear nuts and tension nuts, both elastic stop and all metal stop nuts, plan thin nuts, tension castle nuts, and MS21042n nuts. They are lightest of all. So that means 7 kinds of nuts for each bolt diameter. If that sounds crazy, you can build with five kinds, tension and shear ealstic and all metal, plus plan thin ones for your jam nuts.
            -Cotter pin inventory, just short ones to fit AN3 thru 6 bolts.
            -Nut Plates. k1000, MS21047 dimpled, K-2000 one leg. I think I seriously installed 1000. Size 6, 8, 10, If I build again, I might consider using just 8's and 10's. weigh a #6 and a #8 screw and nut late and youll see why.
            -NASA1097 rivets.

            Ran out of time. Gotta go. Washers, Adle Clamps, machine screws, rivets size 3 and 4, get 1/2 lengths too. Just keep a good inventory to avoid all the shipping charges and stop the interuptions that happen when you need somehting common.
            That’s good stuff. I’ve got an Aircraft Spruce order started. I will incorporate this into it!
            N750HT - Model 5
            KCNI
            https://eaabuilderslog.org/?blproject&proj=8Fr0X26jS

            Comment


            • #8
              Maybe this will help with your hardware setup. To add on to what others have said, the Wicks kit fell way short of expectations. Virgil has done a great job in outlining the hardware callouts and can be found on the BH5 hardware callout on the Bearhawk Aircraft website.
              I got very frustrated early on in not having the right sized bolt, washer, nut etc and created a mini- hardware store. ( pre- hardware callout list). Sizing bolts length became frustrating, so I hot-glued specific nuts and bolts to the outside of each tray. Time consuming on the front end, but time saving on the backside.

              I saw your post on the elevator bearings- to add on to that post. There’s a lot of paint to remove to get the bearings to fit. I’d recommend a dowel wrapped with 3M flex Sandpaper and a lubricant that won’t seal water inside the tubes. When fitting the horizontal stabs, there’s a precise angle that may be required to get the bearings to slide into the tubes. You may need an extra hand to facilitate this process. The mounting bolts have a very tight tolerance and will cause interference if they aren’t left a little loose before mounting the stab. You may have to sequence the bolts in a certain manner to achieve fitment.

              jay

              BH5 QB- Huntsville
              Attached Files

              Comment


              • #9
                All hardware callouts can be found here.
                Access comprehensive build manuals for all Bearhawk models, guiding you through the construction of your aircraft.


                We are in the process of releasing new manuals, these will be released in stages, wings will be out shortly, then cowling, landing gear and fuselage will follow.

                The hardware kits have been redone and are now an all inclusive kit with everything needed down to the grommet and bushings used throughout the build. I you have a question, about what to use where, shoot us a message and we will help get that ironed out. thanks again everyone for the support and patience.

                Comment


                • #10
                  Another hardware hint....
                  -Get an inventory of Adel Clamps (Cushion loop clamps, aka MS21919 WDG clamps). I have every size from -3 up to about -12....maybe -14. When you have these in your inventory, you will see how to attach things to fuselage tubes. You'll get good using them and creative problem solving has another dimension. I could not build without these clamps.
                  -Get the Cushion Clamp Install Pliers. Put these on your christmas list. Installing them is just darn frustrating. They look easy to install, but are Impossible without the pliers to hold the loop shut while you safety wire it shut so you can install the bolt. Sounds complicated, but when you get good it takes :45 seconds to do.
                  Brooks Cone
                  Southeast Michigan
                  Patrol #303, Kit build

                  Comment


                  • Nev
                    Nev commented
                    Editing a comment
                    And in places where the pliers are proving difficult, use a cable tie to hold the Adel clamp closed, put the bolt in place, then cut the cable tie off.

                • #11
                  Originally posted by Bcone1381 View Post
                  Another hardware hint....
                  -Get an inventory of Adel Clamps (Cushion loop clamps, aka MS21919 WDG clamps). I have every size from -3 up to about -12....maybe -14. When you have these in your inventory, you will see how to attach things to fuselage tubes. You'll get good using them and creative problem solving has another dimension. I could not build without these clamps.
                  -Get the Cushion Clamp Install Pliers. Put these on your christmas list. Installing them is just darn frustrating. They look easy to install, but are Impossible without the pliers to hold the loop shut while you safety wire it shut so you can install the bolt. Sounds complicated, but when you get good it takes :45 seconds to do.
                  They are in the AS order coming today. All great advice.
                  N750HT - Model 5
                  KCNI
                  https://eaabuilderslog.org/?blproject&proj=8Fr0X26jS

                  Comment

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