Drilling tight spaces

[Wayne G. O'Shea]

Thought I would share a dilemma and solution I came up with today. I needed
to open up 4 x 5/16" holes up to 7/16 holes in the top of the carrythrough
for the outer gear saddle bolt crush tubes. I had only wanted the tubes to
be held in place by the top and intended on leaving the bottom at 5/16" to
add an 1/8" thick layer that the bolts/crush tubes would have to pull
through to make it a little harder to "lose" the gear. Now I now why MAM
drilled totally through the carrythrough tubes, as they could only do so
easily from the bottom! With everything riveted together, door sills
together, etc, no flex drill or 90 degree angle drill capable of holding a
7/16 bit (or 3/8" shank unibit) would fit in to get at these holes in such
tight quarters.

I found a use for one of those Christmas presents, from the kids, that I
always get accused of never using. As seen on TV "squeeze wrench". I ground
3 more flats on my unibit so it would fit into one of the adapter sockets.
Put it in the squeeze wrench and while pushing down on top with a piece of
wood, spent 45 minutes ratcheting in 4 holes. Not quick, but it worked!

Picture attached

Regards,
Wayne G. O'Shea
www.irishfield.on.ca





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[A G Yeoman]

Of course Wayne, if you had put solid inserts in the tubes, you could have
drilled from the bottom still!! :) :)

Just a thought!

Cheers

Alister

----- Original Message -----
From: Wayne G. O'Shea <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Wednesday, April 25, 2001 3:19 PM
Subject: Drilling tight spaces

Thought I would share a dilemma and solution I came up with today. I

needed

to open up 4 x 5/16" holes up to 7/16 holes in the top of the carrythrough
for the outer gear saddle bolt crush tubes. I had only wanted the tubes to
be held in place by the top and intended on leaving the bottom at 5/16" to
add an 1/8" thick layer that the bolts/crush tubes would have to pull
through to make it a little harder to "lose" the gear. Now I now why MAM
drilled totally through the carrythrough tubes, as they could only do so
easily from the bottom! With everything riveted together, door sills
together, etc, no flex drill or 90 degree angle drill capable of holding a
7/16 bit (or 3/8" shank unibit) would fit in to get at these holes in such
tight quarters.

Regards,
Wayne G. O'Shea
www.irishfield.on.ca

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[Drew and Jan]

very energetic Wayne when I had to drill a tight hole I brazed the bit into
a cheap socket and used my air rachet wrench.
Drew

At 11:19 PM 4/24/01 -0400, you wrote:

Thought I would share a dilemma and solution I came up with today. I needed
to open up 4 x 5/16" holes up to 7/16 holes in the top of the carrythrough
for the outer gear saddle bolt crush tubes. I had only wanted the tubes to
be held in place by the top and intended on leaving the bottom at 5/16" to
add an 1/8" thick layer that the bolts/crush tubes would have to pull
through to make it a little harder to "lose" the gear. Now I now why MAM
drilled totally through the carrythrough tubes, as they could only do so
easily from the bottom! With everything riveted together, door sills
together, etc, no flex drill or 90 degree angle drill capable of holding a
7/16 bit (or 3/8" shank unibit) would fit in to get at these holes in such
tight quarters.

I found a use for one of those Christmas presents, from the kids, that I
always get accused of never using. As seen on TV "squeeze wrench". I ground
3 more flats on my unibit so it would fit into one of the adapter sockets.
Put it in the squeeze wrench and while pushing down on top with a piece of
wood, spent 45 minutes ratcheting in 4 holes. Not quick, but it worked!

Picture attached

Regards,
Wayne G. O'Shea
www.irishfield.on.ca


Attachment Converted: "c:\eudora\attach\Dcp013571.jpg"

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[Wayne G. O'Shea]

Alister, I got bumped from receiving mail from the list for a few days,
mysteriously some how (but I had Mike look into it and he obviously fixed it
up! Thanks Mike), but I saw your response in the messaging archives.

I know, and you know, that solid inserts in the carrythroughs would have
been better for the SG-2 saddles to be bolted to, but you know how they say
"the customer is always right"! I had a very hard time even getting him to
let me only drill 7/16 at the top for the crush tubes (to leave an extra
1/8" wall to pull through at the bottom), let alone allow me to deviate that
far from how MAM spelled it out!

How are those glacier skis coming along???

Regards,
Wayne G. O'Shea
www.irishfield.on.ca





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[A G Yeoman]

Hi Wayne,
Skis are only about half done, I keep expanding the business
and getting sidetracked!!

I bent up top hat beams out of 63thou 6061-T6 and am using two thickness's
of 63 thou for the bottom plates.
Thanks for the info and photos they were a big help.

These glacier landings should get the heart pumping!!

Cheers

Alister


----- Original Message -----
From: Wayne G. O'Shea <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Monday, April 30, 2001 1:47 AM
Subject: Re: Drilling tight spaces


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Alister,

How are those glacier skis coming along???

Regards,
Wayne G. O'Shea
www.irishfield.on.ca

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