Apr 24

S-21 countersinking of leading edge spar - video

16 comments

Edited: Apr 24

 

 

Apr 25

Wow - that's good value Mark

Apr 25

@Jase Henchman tools are usually very expensive but I will get on the blower and order one tomorrow. Its too cheap to refuse

 

Apr 25

Mark, the Micro-stop we have comes with that white base. As soon as I get to the factory this morning, I'll check to see if they come this way. Not 100% sure, but I believe we include one in the tool kit, I'll post back soon.

Apr 25

Guys, I just checked and our tool kit does not come with the micro stop, sorry for the confusion.

Apr 25

A note to keep in mind - The dimple die for dimpling the skin is also not in the tool kit.

Eddie, do the SLSA S-21's get the flush rivet treatment? I don't remember seeing that on the detail list. Could be wrong.

Apr 25

Charlie, all S-21 models get flush rivets along the top and bottom leading edge wing skins, that is the only place they get them, no option to go full flush rivets from the factory

Apr 26

Thanks Eddie..all the pictures I have seen of the microstop doesnt show that foot..from different suppliers maybe its something you have done there. I ordered mine last night anyway and I can turn up one on my lathe anyway

Apr 26

I hadn't really paid attention to other models, but you are correct. We did not add that foot, it must be particular to this model. Funny thing is, that feature, while providing a stable, perpendicular alignment, also works against you when drilling the spar, you might not even need the shim I mention in the video with a smaller footprint micro stop.

Apr 26

And there you go, Flightnut just showed the one I have.

Apr 26

The Spruce one doesnt have the foot either... ok cool if I need one I can soon make one and fit it

 

In the Navy, we had both styles. With and without the plastic non-maring foot. It depends on how much space you have. It does help if you are trying not to leave a small mark on the face of the part. But seeing as this is the base peice you won't be able to see it under the aircraft skin. Is this correct Eddie?

Apr 26Edited: Apr 26

That is correct Eric, the leading edge skin covers it.

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