V-strut for Skeletal bracket

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NaughtyBits
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Re: V-strut for Skeletal bracket

Post by NaughtyBits » Wed Apr 18, 2018 6:17 pm

Very Nice, Nudge.

Just picked up the 'A' tilt last week - thanks again, great job on them.

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Nudge
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Re: V-strut for Skeletal bracket

Post by Nudge » Fri Apr 20, 2018 10:24 am

All moulded up and ready to go!

Don't know when they will get poured and I still don't know what the cost will be.
I have 10 transom brackets and 3 A brackets.
IMG_3117.jpg
IMG_3116.jpg
IMG_3115.jpg
IMG_3113.jpg

What I'm doing is kiddies play... that is a car hoist behind the prop! :shock: It is 1.2m (4 foot) in dia. and even that is a small one to them!!
IMG_3109.jpg
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Charles uk
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Re: V-strut for Skeletal bracket

Post by Charles uk » Fri Apr 20, 2018 11:25 am

That's going to hit your water pump housing!
Make it idiot proof and someone will make a better idiot.

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Nudge
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Re: V-strut for Skeletal bracket

Post by Nudge » Sat Apr 21, 2018 3:07 am

That's going to hit your water pump housing!
I don't think the water pump housing is the problem..... it's the spark plug the sticks out too far! :lol:
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Nudge
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Re: V-strut for Skeletal bracket

Post by Nudge » Sun May 13, 2018 9:57 am

I have got 4 "A's" cast along with 1 transom bracket.
We only cast one of the brackets because we didn't have the correct core stock.
The core needs to be 1 1/8" and we only 1" in stock. The bracket came out Ok but still needed quite a bit of work.
If it had the correct core you may be able to finish it off with only a grinder and a "Dremel". Well ok! You will also need to drill and tap the two holes to hold the cap on.

I've spent about an hour and cleaned up one of the "A's" just to show you how it is done! This one is silicon bronze
The flash around the edges is quite thin and can be easily removed with a grinder with a sander pad.
From this:
IMG_3162.jpg
IMG_3161.jpg
To this:
IMG_3166.jpg
IMG_3167.jpg
This is what the transom bracket looks like:
IMG_3170.jpg
If the core was the correct size most of the "tube" wouldn't be there.
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Charles uk
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Re: V-strut for Skeletal bracket

Post by Charles uk » Sun May 13, 2018 11:32 am

Nudge we're have a discussion about whether we should change the title of this thread to "Pimp up your Seagull" & your screen name to "King of Bling"!

Your putting us all to shame!

Very impressive.
Make it idiot proof and someone will make a better idiot.

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Oyster 49
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Re: V-strut for Skeletal bracket

Post by Oyster 49 » Sun May 13, 2018 11:04 pm

Yes, some great work going on here 8)

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Nudge
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Re: V-strut for Skeletal bracket

Post by Nudge » Fri Jun 08, 2018 9:56 am

I finally got the transom and A brackets cast!
In the end I had to buy an entire box of core blanks 1 1/8" core is not that common. If it wasn't for the core these would have been cast over a month ago. Now I have a box of cores if we need any more it should take anywhere near the time to get them done!

I will post up some pics of them in the morning (it's cold and dark outside and the bits are in my van).
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Hugz
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Re: V-strut for Skeletal bracket

Post by Hugz » Fri Jun 08, 2018 11:02 pm

Excellent news. Looking forward to some delightful hours fettling. I don't quite understand the process with the core blanks. I'm assuming they are of a material that holds their form and is a higher melting temperature than the bronze yet doesn't fuse with the metal, basially a solid piece of 1 1/8" round casting sand rod? Am i close?

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Rob Ripley
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Re: V-strut for Skeletal bracket

Post by Rob Ripley » Sat Jun 09, 2018 3:37 am

I was looking at one of my broken alloy struts and noticed that there is a 25 x 6 half threaded rod with a convenient slot in the end. I assume that the casting was drilled and tapped for the pieces to be fitted. I guess it makes sense as that point takes the most stress and a brass rod would be stronger than a small alloy part. I scratched it with some abrasive to clean off the paint, tried to remove the rod but after 65+ years it's stuck.
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Nudge
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Re: V-strut for Skeletal bracket

Post by Nudge » Sat Jun 09, 2018 4:10 am

Heat it up a bit to get the aluminium to expand. the pin will be held in with an oxide layer. once the oxide layer is cracked it should come out.

Some pix of the clamp bracket.

There is 10 of these up for grabs
Just been poured.... it is always like Christmas at this point, what have we got inside!
IMG_3258.jpg
Looks good so far!
IMG_3260.jpg
The core blank that I have been waiting for is the darker brown sand where the drive tube would go, by getting the correct size there will be very little clean up required when it comes to the hole. It could probably be done with a bobbin sander on a Dremel.
IMG_3263.jpg
IMG_3265.jpg
IMG_3264.jpg
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Hugz
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Re: V-strut for Skeletal bracket

Post by Hugz » Sat Jun 09, 2018 4:14 am

Rob, with the brass skeletal bracket one can stretch it open after removing the thrust block bolt. With the std bracket you can't do this and need to unscrew those studs. Incidentally those studs come in two different sizes. You can compress that V but run the risk of snapping it.
Last edited by Hugz on Sat Jun 09, 2018 4:36 am, edited 1 time in total.

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Hugz
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Re: V-strut for Skeletal bracket

Post by Hugz » Sat Jun 09, 2018 4:17 am

Looking good Nudge. I like the concave on the tail. Better than original!! (or is it originally like that?). Never seen an original tail on these come to think of it.

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Nudge
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Re: V-strut for Skeletal bracket

Post by Nudge » Sat Jun 09, 2018 4:25 am

And a couple more pix
IMG_3266.jpg
IMG_3267.jpg
IMG_3270.jpg
IMG_3271.jpg
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Nudge
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Re: V-strut for Skeletal bracket

Post by Nudge » Sat Jun 09, 2018 4:29 am

I think the tail is ground on the Ali ones to make them fit.
These may need a little clean up round the edges but shouldn't be too bad.
"THE KING OF BLING"!
Is it better to over think, than not think at all?

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