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-   -   Modification: RV-10 Step bolt access (http://www.vansairforce.com/community/showthread.php?t=66204)

fehdxl 12-16-2010 03:48 PM

Modification: RV-10 Step bolt access
 
There was some discussion about using the stall warning access panels on the baggage floor to facilitate future access to the step bolts. While I still have a ways to go before needing to do this, what do you think of my proposed locations? Right now, the holes are essentially on top of the step, but I could move them aft of the stiffener as well. Thanks for your thoughts! -Jim



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douglassmt 12-16-2010 07:23 PM

Me too
 
I did exactly the same thing, in almost the same place. In hindsight, I think the holes couldn't get close enough to the outboard side of the aircraft to get good access to the bolts. Still, it was really easy and cheap to do and it's better access than none.

aturner 12-16-2010 08:08 PM

Given the length of the bolt and distance to the floor, I don't think you will be able to get the bolt in and out without an access cover directly over the bolt. This means you have to shoehorn the access cover up into the corner, with an edge running under the floor rib:

http://forums.matronics.com/files/p1000864_520.jpg

-Andy

N427EF 12-16-2010 08:20 PM

Another solution
 
The best solution I have seen was a nutplate attached to the top of the sleeve and a 1" access hole in the bottom skin.
I did not know or think about that and made 2 one inch access holes, one in the baggage floor and one in the bottom skin, just large enough to access the nut with a socket. The removable side cover was an unintended consequence due to my lack of foresight.:confused:




Janekom 12-18-2010 12:22 AM

I have made mine as two little doors with the hinge FWD side and further to that I have also installed my two com antennas directly below the doors. So now I have access to the step bolts as well as the antenna connectors.

Mike S 12-18-2010 09:13 AM

Quote:

Originally Posted by Janekom (Post 495091)
I have made mine as two little doors with the hinge FWD side and further to that I have also installed my two com antennas directly below the doors. So now I have access to the step bolts as well as the antenna connectors.

Great idea, I would definitely steal tip that if I was still in the building process.

flion 12-29-2010 06:42 AM

Quote:

Originally Posted by N427EF (Post 494698)
The best solution I have seen was a nutplate attached to the top of the sleeve and a 1" access hole in the bottom skin.

I'm thinking ahead to that point and I don't think I like the idea of having a bolt able to drop out (with subsequent disaster waiting at the step). But, combining an idea from the next post, if you put the nutplate below and an access door above for the bolt and a comm antenna mount, it should be pretty nice.

N427EF 12-29-2010 07:20 AM

Keep It Simple
 
flion,
You bring up valid reasons to do what you have outlined.
This seems to be one place where you can make it unnecessarily complicated.
First, a bolt will not come loose out of a nutplate and if it did it would not be able to fall out because it will bottom out against the plug. At worst it will be left stuck just keeping the bottom end of the step tubes engaged and you will notice a wiggly step.(time to check on it)
You really do not need access to the back of the antenna, terminate the cable with enough slack and plug it in before you mount it, the reverse is true for disconnecting.
I am trying to save hours of labor making access holes on top if you can do it from the bottom with a step drill in about 5 minutes or less.

blahphish 12-30-2010 05:58 AM

Purpose?
 
New builder question - what is the purpose of a customization in this area? Are the steps prone to come loose? Have there been a rash of problems in this area or is this just one of those 'better to do it now' kind of ideas?

N427EF 12-30-2010 06:56 AM

Bang up job on shin
 
Van's instructions have you install the step somewhat early in the building process. Once the floor is riveted on you cannot remove the step anymore.
(unless you drill out the rivets holding the floor down)

Having a removable step is simply a convenience while you build so you won't bang up your shin everytime you walk past the step.


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