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Bolt spacing

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naumuk(at)alltel.net
Guest

Posted: Mon Apr 10, 2006 3:29 pm Post subject: Bolt spacing

Here's one for y'all-

    Getting ready to drill the gear box/slide holes for my HDS. Manual says "Maintain safe edge distance". Doesn't look like I can hold to the 2x diameter rivet distance with a 3/16" bolt, and there's no information I can find that gives the edge distance calculation for a bolt. No problem centering the hole to the slide flange, it's the ground side end I'm wondering about.

                                                                Bill

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larry(at)macsmachine.com
Guest

Posted: Mon Apr 10, 2006 4:10 pm Post subject: Bolt spacing

Bill,

Once you've placed the box on the angles, mark centerlines so that for 

A3 bolts,

you've enough distance to avoid the nut being drawn down on the inside 

radius of the angle.

Ink mark the angle edge and check the nut for good position before 

laying down centerlines on the box.  Then

place the box back on the angles, match mark and remove to carefully 

drill the holes in the box. Then match mark

and drill the angles. Once you've drilled two holes each side 

successfully, put a bolt thru and drill the rest.  The most difficult

were the holes that match thru the reinforcing angle, box and guide angles.

http://www.macsmachine.com/images/gear/full/gear-support-brackets-fitti.gif

http://www.macsmachine.com/images/gear/full/gfairingbrackets.gif

Assembly is the most fun though, putting the nuts on from the inside  .

http://www.macsmachine.com/images/TJH/gearAW/full/gear-support-nut-holding-wr.gif

If the A3 holes aren't capable of having a 2x edge distance, center the 

holes on the short sides of the angles anyway.



Larry

Bill Naumuk wrote:



 	  Quote: 	
		  



Here's one for y'all-

    Getting ready to drill the gear box/slide holes for my HDS. Manual says "Maintain safe edge distance". Doesn't look like I can hold to the 2x diameter rivet distance with a 3/16" bolt, and there's no information I can find that gives the edge distance calculation for a bolt. No problem centering the hole to the slide flange, it's the ground side end I'm wondering about.

                                                                Bill

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naumuk(at)alltel.net
Guest

Posted: Mon Apr 10, 2006 4:58 pm Post subject: Bolt spacing

Larry-

    I wasn't worried about the placement on the width of the slides, more 

the distance to the end. I laid everything out, but haven't drilled anything 

yet. Suppose I better take another look tomorrow.

    Thanks.

                                                        Bill

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naumuk(at)alltel.net
Guest

Posted: Mon Apr 10, 2006 5:21 pm Post subject: Bolt spacing

All-

    Thought I was offlist to Larry- sorry.

    Couldn't wait till tomorrow to measure. Looks like I'll be OK if I 

locate to the inside of my existing lines, and the factory steel work is on 

the money. Haven't found anything off more than  .004".

                                                                    Bill

                               do not archive



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