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Taplin twin

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mike frear 112/04/2020 10:09:58
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6 forum posts

Hello

I'm looking for help with finding one of these diesel engines the Taplin twin rc diesel,

Have any members built there own?

Would any one be able to give me a price/quote for making one,

Forgive me if I have posted this in the wrong place but I really do need this to fly...

Best regards Mike

Emgee12/04/2020 10:26:39
2446 forum posts
291 photos

Why not go for a V engine of some kind, or even a radial, any of those would look better in a model than an in line 2 cylinder compression ignition engine.

Emgee

Hopper12/04/2020 10:38:09
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6728 forum posts
348 photos

I would think there could be 50 to 100 hours work in one, being a two stroke, but hard to tell without seeing drawings.Could easily be more.

I bill my time out at $100 an hour. So that would come to $5,000 to $10,000 and upward.

Plus there would be the initial cost of buying the raw castings, if they are even still availbable? Otherwise, as much again to make patterns and cast crankcases, cylinders and heads etc.

Edited By Hopper on 12/04/2020 10:40:12

Former Member12/04/2020 10:47:54
1329 forum posts

[This posting has been removed]

herbert punter12/04/2020 10:51:09
128 forum posts
1 photos

Here’s one

Here

Circlip12/04/2020 11:04:26
1531 forum posts

Be very aware, original Tappy crankcases were carp, easy to strip cylinder screws (Them into crankcase)due to poor aluminium. Original 7cc., later ones I think were about 15cc. Basic original was two ED Hunters strapped together. Descriptions of all ED (Col. Taplin) designs can be found online, search ED - Electronic Developments.

Regards Ian

mike frear 112/04/2020 11:46:52
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6 forum posts

Wow thanks guys for the fast reply,

So I'm not going to get one made... (cost)

The model that I would be putting the engine in is a Radio Queen, the original plans are Col Taplin so that's why I'm after a Taplin twin..

The one in the link looks like a marine boat version I will email and see if it can be converted..

I shall keep hunting on ebay

Thanks all for your help and input

Best regards Mike

Former Member12/04/2020 11:55:11
1329 forum posts

[This posting has been removed]

Hopper12/04/2020 12:22:40
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6728 forum posts
348 photos

What does your local mechanic or plumber charge per hour?

Local motorbike dealer here charges $120 per hour.

I stick with a nice round number.

Former Member12/04/2020 12:31:56

[This posting has been removed]

Circlip12/04/2020 13:04:55
1531 forum posts

" The model that I would be putting the engine in is a Radio Queen, the original plans are Col Taplin so that's why I'm after a Taplin twin.. "

Have a replica 3D modelled and bung an electric motor in, in/out runners don't leave your hands with the "Three day Caster oil" stink. Ah yes, I remember it well, AND the finger scars.

Regards Ian.

mike frear 112/04/2020 13:08:11
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6 forum posts

Hi Barrie

Thanks for your help that would be excellent..

JasonB12/04/2020 13:08:29
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Moderator
23088 forum posts
2774 photos
1 articles

The carank case does not look to be too complex for anyone wanting to carve it out of solid which would be viable if you were making your own but just adds to the cost if having one made. I'll have to find out if the Motorboy I know has any castings in his collection, may not all be originals but he has a lot of his own diecast ones of the old engines.

Former Member12/04/2020 13:18:12
1329 forum posts

[This posting has been removed]

Hopper12/04/2020 22:50:09
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6728 forum posts
348 photos
Posted by Bill Chugg on 12/04/2020 13:18:12:
Posted by Hopper on 12/04/2020 12:22:40:

What does your local mechanic or plumber charge per hour?

Local motorbike dealer here charges $120 per hour.

I stick with a nice round number.

Min wage equivalent to $18 per hour ... Plumbers are $35 / 40 per hour average where we are. If you live in London then a higher figure applies.

Bill

Edited By Bill Chugg on 12/04/2020 13:44:26

You are getting mixed up between wages and labour charges. Huge difference.

A quick web check shows average labour charge by a UK car dealership for their mechanics' services is about 70 Quid per hour. So I am sure machine shop time is billed at a somewhere similar rate. And good luck finding a plumber who will come to your house for $35 (17 Quid).

Former Member13/04/2020 08:00:25
1329 forum posts

[This posting has been removed]

Hopper13/04/2020 09:35:41
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6728 forum posts
348 photos

I quoted my regular rate, as the OP requested. If you can do better, all the best to you.

Former Member13/04/2020 09:38:38
1329 forum posts

[This posting has been removed]

Hopper13/04/2020 09:43:42
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6728 forum posts
348 photos

???? Crikey cobber, if you think that's impolite you'd best not get within earshot of the Girl Guides then. .

Former Member13/04/2020 09:50:54
1329 forum posts

[This posting has been removed]

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