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THE FAULKS 20" F4 DOB BUILD

faulksy

By faulksy
in DIY Astronomer

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DRT

DRT

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Wow!  Before I went to bed this was just a triangle of steel. A few hours later I find that the elves have been at work and we have almost an entire scope :eek:

How do I get the elves to visit my house? :wink:

 

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faulksy
faulksy

hi everyone, thought now was a good time to put this build up on here, lots and lots of thanks to the great steve jenner for his wood working skills and a big thanks to damien mapster for emailing and

faulksy
faulksy

quick quick review, got to be up at 4 A.M. lol clear skys, so had to try and set my pole lengths up, had to cut 125mm of them in the end but now it balances beautifully, whilst removing the poles

faulksy
faulksy

next up mirror cell welded with milled cut outs for wobble bars, this was quite hard to mill as its stainless steel next up wobble bars which i milled in work with support triangle and bear

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mapstar

mapstar

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Posted

Sorry to say I've only just spotted this as I've been busy with other bits, and needed an excited nudge from someone to say it was on :wink: 

It's looking really good Mike and you've certainly been very busy since our last chat. 

Lovely thread (I know Steve likes lots of pics :grin:) which is coming on quickly. It's also nice to see a different take on a few bits.

Watching with interest Mike. Keep up the good work buddy and thanks for the mention. 

Also see you've got the bearings mounted for the mirror edge supports :happy7:

 

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ollypenrice

ollypenrice

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This is a beautiful job. Are you a professional in the machine shop? Welding stainless isn't for everyone. It does give the whole thing some real class. (I am probably the worst amateur welder in Europe. :D)

We have a 20 inch F4. It's such a nice size, big but not ridiculous and not too terrifying at the zenith.

Olly

Edited by ollypenrice
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faulksy

faulksy

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2 minutes ago, ollypenrice said:

This is a beautiful job. Are you a professional in the machine shop? Welding stainless isn't for everyone. It does give the whole thing some real class. (I am probably the worst amateur welder in Europe. :D)

We have a 20 inch F4. It's such a nice size, big but not ridiculous and not too terrifying at the zenith.

Olly

im a maintenance fitter olly so part of my job realy. i will polish all the welds up today and put another pic up :happy10:

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faulksy

faulksy

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3 hours ago, mapstar said:

Sorry to say I've only just spotted this as I've been busy with other bits, and needed an excited nudge from someone to say it was on :wink: 

It's looking really good Mike and you've certainly been very busy since our last chat. 

Lovely thread (I know Steve likes lots of pics :grin:) which is coming on quickly. It's also nice to see a different take on a few bits.

Watching with interest Mike. Keep up the good work buddy and thanks for the mention. 

Also see you've got the bearings mounted for the mirror edge supports :happy7:

 

mirror edge support bearings were fun to drill and tap, just need to make spacers now so they rest at the cog

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mapstar

mapstar

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6 minutes ago, faulksy said:

mirror edge support bearings were fun to drill and tap, just need to make spacers now so they rest at the cog

I knew they would be :evil6: Getting them set up properly would be a nightmare. I've been looking into a jig for the next build :wink:

Edited by mapstar
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faulksy

faulksy

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15 hours ago, Pig said:

With a 20" scope Mike will probably be able to see Infinity from Wales :hello:

hopefully shaun, but only need to see 3 dso,s m27,m57 and m13 happy with them :happy10:

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faulksy

faulksy

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spoke to 00 yesterday and asked for a update on my mirror set they said its all milled out (dont know what that means) and its got a red sticker on it which is a great sign dont know what that means either :icon_bounce:

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mapstar

mapstar

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1 minute ago, faulksy said:

spoke to 00 yesterday and asked for a update on my mirror set they said its all milled out (dont know what that means) and its got a red sticker on it which is a great sign dont know what that means either :icon_bounce:

They use a diamond cutter to rough generate the curve. Not sure on the red sticker bit? next steps are

Rough grind

Fine grind

Polish

Figure 

Testing 

Coating 

Not necessarily quite in that order but still some way to go by the sounds. Oh and not to forget 

Shipping to Mr Faulks

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DRT

DRT

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11 minutes ago, faulksy said:

spoke to 00 yesterday and asked for a update on my mirror set they said its all milled out (dont know what that means) and its got a red sticker on it which is a great sign dont know what that means either :icon_bounce:

That's a lot more information than I got when I asked "Can you please give me a rough idea when my VX12 will be available for collection?" - answer: "we will email you when it's nearly ready". :BangHead:

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niallk

niallk

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Posted

Real nice craftsmanship on the mirror box!!

Impressive metal work - you mentioned you made the alt bearings yourself - wow! That cell looks class.

It's going to be a beauty :thumbsup:

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faulksy

faulksy

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14 minutes ago, mapstar said:

They use a diamond cutter to rough generate the curve. Not sure on the red sticker bit? next steps are

Rough grind

Fine grind

Polish

Figure 

Testing 

Coating 

Not necessarily quite in that order but still some way to go by the sounds. Oh and not to forget 

Shipping to Mr Faulks

im collecting :happy10:

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faulksy

faulksy

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8 minutes ago, DRT said:

That's a lot more information than I got when I asked "Can you please give me a rough idea when my VX12 will be available for collection?" - answer: "we will email you when it's nearly ready". :BangHead:

as you can imagine, i phone them most days :happy10: there communication skills are terrible

 

i ordered the 30th of march, was told 8 - 10 weeks

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JRM

JRM

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On Saturday, May 28, 2016 at 09:10, faulksy said:

hopefully shaun, but only need to see 3 dso,s m27,m57 and m13 happy with them :happy10:

Really enjoying this thread Mike, interesting little tid bits for when I start my build, keep em coming.

Horsehead nebula  for me would make it all worth while.

Rick M

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jetstream

jetstream

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23 hours ago, estwing said:

great work lads...not bad for a chicken farmer and a bricklayer..:hiding:

:grin::grin:

Still laughing Calvin :laugh:

I must say though that I have a new found respect for Mr Faulk's work and an ongoing respect for Swampthings wood working skills... I had a sneeking suspicion that Mike could produce great work after seeing his Nexus fabrication...

Great job guys!

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faulksy

faulksy

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3 hours ago, JRM said:

Really enjoying this thread Mike, interesting little tid bits for when I start my build, keep em coming.

Horsehead nebula  for me would make it all worth while.

Rick M

very true rick, it was lovely in my 14" should be good in a 20" with the same figure. thanks

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