Yet another Ellie

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Garethh
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Yet another Ellie

Post by Garethh » Fri Jan 07, 2022 9:10 am

I haven’t bothered posting this up until now as it seemed like there was plenty of Ellie builds on the go, but now it’s reached an interesting stage I thought I’d share it. The other half bought me the Ellie build book for my birthday. I started off by building the motor, pretty much as designed using the laser cut bits from Camden.



It worked but I didn’t like the idea of it not being self starting or easily reversible as the plan is to run it rc in the end. So I started working on a doubling acting twin cylinder motor, based on the single one but doubled up essentially, with inspiration drawn from some internet searching. The chassis is standard jackshaft ellie but with sealed bearings instead of bushes. I did have some issues with clearance on the gears and motor mounts but ended up soldering on a piece of threaded hex and loctiteing studding in to mount the motor on, this also allows for fine adjustment of the gear mesh which is handy.
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Quite surprised with how well it runs if I’m honest! Next to tackle is the burner and boiler, thinking I may stick to the standard meths design with some minor modifications, but gas is also tempting…

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Keith S
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Re: Yet another Ellie

Post by Keith S » Sat Jan 08, 2022 6:07 am

Everybody's "Ellie" is going to be different. I love them. Tony Bird's is really good, and this one has some interesting different features. I really like your steam motor and the mechanism.

Trevor Thompson
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Re: Yet another Ellie

Post by Trevor Thompson » Sat Jan 08, 2022 10:42 am

It runs very nicely, and I think self starting is important - unless you just want it to run round and round in circles. So nicely modified.

I am interested in the modifications to the steam motor. You mention wanting it to be reversible, but I can't see how it reverses. Is it going to have a remote reversing valve - of the type it was designed to have?

Trevor

Garethh
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Re: Yet another Ellie

Post by Garethh » Sat Jan 08, 2022 12:12 pm

It’s a nice design that lends itself to modifications, be interesting to see how they all turn out. Trevor, I did think about trying to build a reversing valve into the port block, but I’m a bit limited on tooling so decided to have it separate and will most likely be off the shelf to save a bit of time. https://www.ebay.co.uk/itm/Reversible-c ... 635-2958-0 - this is what I had in mind.

Garethh
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Re: Yet another Ellie

Post by Garethh » Sat Jan 15, 2022 11:13 am

Got the burner/meths tank made up and painted with vht the other day. Pretty much as per the book but with slightly bigger tubing and a threaded insert to retain it in the chassis as I didn’t like the idea of trying to wiggle a pin in there.
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Trevor Thompson
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Re: Yet another Ellie

Post by Trevor Thompson » Sat Jan 15, 2022 6:35 pm

Garethh wrote:
Sat Jan 08, 2022 12:12 pm
It’s a nice design that lends itself to modifications, be interesting to see how they all turn out. Trevor, I did think about trying to build a reversing valve into the port block, but I’m a bit limited on tooling so decided to have it separate and will most likely be off the shelf to save a bit of time. https://www.ebay.co.uk/itm/Reversible-c ... 635-2958-0 - this is what I had in mind.
It looks quite a nice reverser - and I am sure that it will work fine. You cant buy every tool at once - and I am sure you will make your own reversers soon enough!

Trevor

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