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help with sizes please Options
pamlupo
#1 Posted : 07 May 2010 16:26:35

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Hi everyone
In issue 3 in relationship to the cannonade the tip section says in regards to drilling holes use an Archimedean drill and drill bits No 62, No 65 and no 72

I have bought the drill along with the drill bits but mind are in metric.
Could someone please tell me what NO's 62,65 and 72 are in metric please

Thanks in advance, looking forward to the issues

Pam
dtgray
#2 Posted : 07 May 2010 16:36:40

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Pam,

I've no idea what size of drill bits the numbers refer to, my drill bits are in metric too, however it's not an exact science as the eye pins can be slightly different widths depending on the manufacturing tolerance, so I'd start off with a 0.6mm bit and if this is too tight then re-drill the hole with a slightly wider bit. I'm afraid there's no point me telling you what size I used because I didn't use the eyepins supplied, I used No. 14 fishing hooks with the hook end cut off as it looked a better scale than the supplied eyepins. Thanks for that tip Capt Stedders BigGrin
Regards,

David

Mike Turpin
#3 Posted : 07 May 2010 16:53:58

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pamlupo wrote:
Hi everyone
In issue 3 in relationship to the cannonade the tip section says in regards to drilling holes use an Archimedean drill and drill bits No 62, No 65 and no 72

I have bought the drill along with the drill bits but mind are in metric.
Could someone please tell me what NO's 62,65 and 72 are in metric please

Thanks in advance, looking forward to the issues

Pam


Hi Pam

For future reference:
62 = .9652mm (1mm bit)
65 = .889 mmm (.9 mmm bit)
72 = .635 mm (.6 mm bit)


Just in case you thought I knew these off by heart, I googled and found:

drill chart

However, I agree with David, if you have a set of drill bits, then choose one as close to your eyebolts as you can get.

Good luck

Mike T
pamlupo
#4 Posted : 07 May 2010 16:55:25

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Thanks will do they are so small its a shame they couldn't have been drilled at the factory.Mellow

I am needing a pair of reading glasses just to see the drillsLOL

Pam
Love
pamlupo
#5 Posted : 07 May 2010 17:08:54

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Thanks Mike
you are a star
pam
xx
Zeptrader
#6 Posted : 07 May 2010 17:18:29

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Just get yourself some cheap balsa wood and try them out, drill, insert part you want, if its too large change down to a smaller one, once you have the correct size on the Balsa then use on your kit.
pamlupo
#7 Posted : 07 May 2010 18:14:33

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What a great idea
Thank you so much

Ps where do I buy Balsa from?
captainalan
#8 Posted : 07 May 2010 19:01:06

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hi Pam
your local model shop should have a bit of a selection in
mavrickandgoose
#9 Posted : 07 May 2010 19:16:42

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i alwaysjust use any off cuts i have lying around, like when you have to cut parts fom a sheet to always have the edges.
jonny7england
#10 Posted : 09 May 2010 13:04:55

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May sound stupid but what I did was to construct a small stand out of model off cuts, drill a hole in the stand using the smallest of drill bits, mark out the size of the drill bit you just used on the stand in nice large letters in bold black ink stick your drill bit you just used into that hole and do the same with the next size drill bit up, no fiddling about and the drill bits are kept visibly handy nearby on the work surface BigGrin
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willie
#11 Posted : 09 May 2010 13:36:44

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jonny7england wrote:
May sound stupid but what I did was to construct a small stand out of model off cuts, drill a hole in the stand using the smallest of drill bits, mark out the size of the drill bit you just used on the stand in nice large letters in bold black ink stick your drill bit you just used into that hole and do the same with the next size drill bit up, no fiddling about and the drill bits are kept visibly handy nearby on the work surface BigGrin



how do you mean sound stupid /Confused engineers have been doing this for years the place where i worked did this up to 2 inche drill bits on spare bits of wood
mavrickandgoose
#12 Posted : 09 May 2010 13:42:17

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thats how we do it at work as well, its the way ahead!!
pamlupo
#13 Posted : 09 May 2010 14:44:46

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Wow what a great idea.
Thanks everyone
Pam
x
tomo29
#14 Posted : 10 May 2010 14:52:18

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are the right size drill bits in the shop on here
tomo29
#15 Posted : 10 May 2010 14:58:22

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hi pam how much did it cost u the drill bits and drill and what shop did u get it from plz thanks
Zeptrader
#16 Posted : 10 May 2010 19:38:30

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How have you got on with those drill bits Pam?
pamlupo
#17 Posted : 10 May 2010 19:41:49

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Hi
I got mine from Ebay very reasonable and its very good and easy to use I also bought the drills at the same time.
Tiswas
#18 Posted : 10 May 2010 21:12:42

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I bought a 20 drill set, 0.3 through to 1.6mm in a handy case from Maplins, cost £10.99, which I thought was a good buy?
TIS
tomo29
#19 Posted : 10 May 2010 21:20:11

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Tiswas wrote:
I bought a 20 drill set, 0.3 through to 1.6mm in a handy case from Maplins, cost £10.99, which I thought was a good buy?
TIS

were did u get it from matey
jonny7england
#20 Posted : 10 May 2010 21:25:48

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I bought 20 piece Expo drill set for £10.99 from East Anglian Models, thought I had got a pretty good bargain.ThumpUp
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