Slow Geodesic Dome build

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Green Aura
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Re: Slow Geodesic Dome build

Post: #284296 Green Aura
Fri Apr 17, 2015 12:41 pm

That's where we got ours from, too. I thought it looked familiar. I agree he's got some great domes. The 4.5m one is the biggest we can fit.

What are you "glazing" it with? We've got an entire polytunnel skin that my OH ripped putting it on (before we clad it with polycarbonate). We thought we'd use that. So that's free but the wood cost about £360. (We won't mention the cost of the table saw though). :roll:
Maggie

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mamos
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Re: Slow Geodesic Dome build

Post: #284299 mamos
Fri Apr 17, 2015 3:17 pm

I have calculated that the wood is going to cost about £250 and £88 for the polytunnel plastic.

paul
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Re: Slow Geodesic Dome build

Post: #284319 mamos
Tue Apr 21, 2015 11:50 am

As you have seen in the previous post I have completed the first of the Hexagon panels so the next step was to complete a Pentagon panel so I could be sure they would go together before forging on and making the rest of the triangles.
There are only 6 Pentagon panels to make and now I know they work and everything fits together and my two chop saws are set to the Pentagon angles I will press on over the next week or so and make all of the pent triangles.
Here is a picture of the two jigs needed for building this dome. The tall one is for Hex triangles, the other is for Pent triangles.

Image

Making the triangles is simple once you have the templates built and checked for accuracy. You start by cutting the correct angles on one end of each of the struts. then you clamp the struts to the template and screw the struts to each other and saw the projecting ends off.
I will add a photo of this later.
As I am finishing each triangle and before I take it off the template I mark the apex of the triangle as this makes it fool proof when assembling the panels.
Here is a picture of the finished Hex and Pent panels before putting them together to test their fit.

Image

You wouldn’t normally make the panels up like this before covering in plastic but as this is the first dome I have built I wanted to make sure everything lined up and the two panels fitted together.
Here is a picture of the Hex and Pent panels fitted together.

Image

To give you an idea of the hight of the finished dome there is another Hex panel to go below the Hex panel in the above picture. The picture above does illustrate the curvature nicely.
So now I have to get stuck in to making all the rest of the triangles and covering them with plastic.
Ultimately there will be a detailed step by step article on the [url="https://tinyallotment.wordpress.com/geodesic-dome/"]Geodesic Dome Page[/url] of this Blog
More soon
paul
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Re: Slow Geodesic Dome build

Post: #284320 doofaloofa
Tue Apr 21, 2015 5:22 pm

nice jeep
ina wrote: die dümmsten Bauern haben die dicksten Kartoffeln

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Re: Slow Geodesic Dome build

Post: #284324 mamos
Tue Apr 21, 2015 8:55 pm

doofaloofa wrote:nice jeep


Yes, That is my next project :icon_smile:

Paul
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Re: Slow Geodesic Dome build

Post: #284330 mamos
Wed Apr 22, 2015 10:39 am

Might have found a solution to the tanalised saw dust problem. our local saw mill will tanalise the timber after I have milled the angles and sanded the wood smooth so no more deadly dust.

It is going to end up costing about £35 + VAT per dome

Too late for this dome but future domes will be less toxic to build plus I can just add tanalising as a optional extra which the customer will pay for.

Paul
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Re: Slow Geodesic Dome build

Post: #284334 doofaloofa
Thu Apr 23, 2015 7:47 am

£35 seems quite reasonable, plus you won't have to treat the cut ends by hand
ina wrote: die dümmsten Bauern haben die dicksten Kartoffeln

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Re: Slow Geodesic Dome build

Post: #284765 mamos
Wed Jul 08, 2015 8:09 pm

Nearly finished all the triangles just a few more to make and that is the bulk of the woodwork done.

Image

I ordered the plastic cover today which should be here tomorrow.

Then I need too get busy covering the triangles in plastic ready to actually build the dome next weekend if the weather is good.

paul
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Re: Slow Geodesic Dome build

Post: #284766 Green Aura
Thu Jul 09, 2015 7:37 am

Not jealous at all! :mrgreen:

Events this year have taken a weird turn, the upshot of which is that the wood we bought for the dome is now going to be used to dry-line part of the house, for my daughter to use. The dome will have to wait until next year now. Still the area we'd earmarked for it (which proved to be too small once we'd cleared it well enough to measure accurately) is now a compact and bijou veg patch.
Maggie

Never doubt that you can change history. You already have. Marge Piercy

Life shrinks or expands in proportion to one's courage. Anais Nin

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Re: Slow Geodesic Dome build

Post: #284769 mamos
Thu Jul 09, 2015 9:07 am

We are having a community BBQ at the allotment on the 25th so I am hoping to get it finished by then.

I have some home brew on the go and I will set the barrel up in the dome and label it Dome Brew.

Proceeds to go to the allotment association funds

Paul
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Re: Slow Geodesic Dome build

Post: #284771 mamos
Thu Jul 09, 2015 9:15 am

Green Aura wrote:Not jealous at all! :mrgreen:

Events this year have taken a weird turn, the upshot of which is that the wood we bought for the dome is now going to be used to dry-line part of the house, for my daughter to use. The dome will have to wait until next year now. Still the area we'd earmarked for it (which proved to be too small once we'd cleared it well enough to measure accurately) is now a compact and bijou veg patch.


Don't worry, you will get there. I bought my plans because of a thread on this very forum. Dave said he wanted to build a dome and I did a little search and found geo-dome.co.uk.

This was the thread. Check out the date. It has only taken 6 years to get around to actually building the bloody thing.

Plus, I have learned a lot from building mine and when I do a final write up you will end up with a how to guide to go alongside the plans. So you can learn from my mistakes.

paul
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Re: Slow Geodesic Dome build

Post: #284775 Green Aura
Thu Jul 09, 2015 4:29 pm

Sounds like a plan. :thumbright:
Maggie

Never doubt that you can change history. You already have. Marge Piercy

Life shrinks or expands in proportion to one's courage. Anais Nin

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Re: Slow Geodesic Dome build

Post: #284776 mamos
Thu Jul 09, 2015 4:58 pm

In the last two hours I turned these

Image

into these.

Image

38 triangles. So that is all the triangles including the custom ones that go around the door done.

The plastic didn't arrive today but that is OK. As long as it is here by the weekend I will be happy

paul
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Re: Slow Geodesic Dome build

Post: #284794 mamos
Sat Jul 11, 2015 5:05 pm

All the triangles have been sanded to accept the plastic and I have started covering the panels in plastic. I am going to knock it on the head because it is difficult on my own so I will need Jules to give me a hand with covering the panels.

Image

I am now off down to the allotment to start prepping the base so we can start erecting the dome next weekend.

paul
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Re: Slow Geodesic Dome build

Post: #284795 doofaloofa
Sat Jul 11, 2015 5:28 pm

it all looks fantastic Paul

I'm envious!

How's the budget?
ina wrote: die dümmsten Bauern haben die dicksten Kartoffeln


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