Vince's Tiger 1 late variant 2017

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Robert E Morey
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Re: Vince's Tiger 1 late variant 2017

Post by Robert E Morey » Mon Feb 11, 2019 5:21 pm

Vince
The lazy susan turret bearing is a late edition to the design - the first models didn't have this bearing. I would try reversing the direction of the bracket as Adrian suggested. If that doesn't work a notch may be needed. Looks like the engine deck support plate has been notched already.

I'm retrofitting my Tiger with this type of bearing so I will have similar clearance issues.
Bob

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Vince Cutajar
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Re: Vince's Tiger 1 late variant 2017

Post by Vince Cutajar » Mon Feb 11, 2019 8:48 pm

Thanks Adrian and Bob for the suggestion. I thought about flipping the bulkhead but at first sight I thought it might foul the grille panels. I will still give it a try tomorrow. I wonder if Tom encountered this problem with his Tiger.

In the meantime I sent Kian an email.

Vince

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Re: Vince's Tiger 1 late variant 2017

Post by Tom OBrien » Tue Feb 12, 2019 5:01 pm

Vince, I had to cut the rear deck support to allow the turret bearing component to fit.

I used a Dremel cutting disc, which worked fine.
rear deck support-2.jpg
rear deck support-1.jpg
You won't see any imperfections in your cutting the rear deck support.

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Re: Vince's Tiger 1 late variant 2017

Post by Vince Cutajar » Wed Feb 13, 2019 3:25 pm

Many thanks to all the people who sent photos and suggestions both here and also off-line.

So what did I do?

I first tried the solution of Adrian, Bob and Kian of flipping the bulkhead around. It is workable although the bend for the legs of the bulkhead just hits the grille panels and as such when bolted to the engine deck it does not sit perpendicular to the engine deck. All it needs is some filing in the bend. It also blocks two of the holes for the square headed bolts. Solution is to cut and glue in place the square headed bolts. Also, the batteries need to be moved back a little. Something which I wanted to avoid.

So I decided to cut the rectangular notch in the bulkhead instead. According to my measurements it needs to be at least 4mm wide. It can be cut with a Dremel and cut-off disk as Tom did but as I am apprehensive of using this method for long cuts I discarded it. One could also chain drill the cut-out, use a fret or scroll saw to remove the unwanted material and then file smooth but as I am lucky to have a milling machine, I milled it out.
Tiger 446.JPG
Finished milling the bulkhead
I milled it 6mm deep instead of 4mm just to be sure. Using a drum sander in the Dremel I also touched up the semi-circle in the engine deck so that the hull roof will fit easier.
Tiger 447.JPG
Trial fit was perfect. Now I need to touch up the paintwork.

Vince

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Re: Vince's Tiger 1 late variant 2017

Post by Tom OBrien » Wed Feb 13, 2019 10:58 pm

Very nicely done! It helps to have a well appointed shop with the right machinery for light fabrication.

Because my batteries sit upright (terminals upward), I trimmed the longer bolts that stuck out from underneath the lower deck. I wanted to avoid any possibility of shorting the terminals. I also covered the battery tops with a non-conductive rubber/vinyl material held on with Velcro, just in case.

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Re: Vince's Tiger 1 late variant 2017

Post by Vince Cutajar » Thu Feb 14, 2019 8:56 am

Thanks Tom

Vince

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Re: Vince's Tiger 1 late variant 2017

Post by florian rudolf » Thu Feb 14, 2019 9:05 am

Verry nice detailles build...
Looking forward to see more of that :)

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Vince Cutajar
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Re: Vince's Tiger 1 late variant 2017

Post by Vince Cutajar » Thu Feb 14, 2019 11:33 am

Thanks Florian.

I am also following your Famo build. It's amazing how many things one learns just by following other peoples projects.

Vince

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Re: Vince's Tiger 1 late variant 2017

Post by florian rudolf » Thu Feb 14, 2019 1:31 pm

Yes thats definetly right. Learning by looking and trying :)

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Re: Vince's Tiger 1 late variant 2017

Post by Tom OBrien » Thu Feb 14, 2019 2:23 pm

Yes, working on tanks is fun and they don't come crashing to earth if you did something wrong in the build.

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Re: Vince's Tiger 1 late variant 2017

Post by Christoffer Ahlfors » Thu Feb 14, 2019 8:31 pm

That's clearly the advantage with tanks! They also do not sink, nor do they need a gym floor to run. :D
Klotzen, nicht kleckern (Guderian on panzer tactics, but the way I interpret it - it applies to a great many things in life)

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Re: Vince's Tiger 1 late variant 2017

Post by Vince Cutajar » Sat Feb 16, 2019 10:07 am

After the turret turn mechanism got sorted, it was the turn of the turret joint protector (bullet ring). Earlier I had made these (actually only drew them in CAD and then somebody else laser cut them) following the pattern of a real one (http://tiger1.info/EN/Turret-ring-protector.html). Today I drilled the holes in the roof using the segments as templates.
Tiger 448.JPG
Tiger 449.JPG
Temporarily bolted on the roof using 2mm hardware to see how they look. As the real ones were fitted using flat top bolts the plan is to tap the bullet ring segment holes 3mm and bolt them from below the roof and eventually use Milliput to give the impression of flat top bolts. Let's see if it works out.

Vince

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Adrian Harris
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Re: Vince's Tiger 1 late variant 2017

Post by Adrian Harris » Sat Feb 16, 2019 10:31 am

How about using these instead ?

https://www.ekpsupplies.com/steel-count ... slots.html

Adrian.
R.I.P Margaret I.L.Y

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Re: Vince's Tiger 1 late variant 2017

Post by Vince Cutajar » Sat Feb 16, 2019 10:48 am

Thanks Adrian.

I did not know that those existed. There are two problems though. EKP does not cater for overseas orders. The other problem is that three of the holes are over the front bulkhead and I was going to use countersunk screws for them.

Vince

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Re: Vince's Tiger 1 late variant 2017

Post by Vince Cutajar » Sat Feb 16, 2019 4:15 pm

Did one of the segments to see how it looks. Each segment has seven holes and two are unused. Tapped the used holes 3mm and the two unused ones drilled 3mm.
Tiger 450.JPG
I am now wondering if it looks better if I go one size larger (4mm).

Vince

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