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EVRA 190 operating instructions

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kenking15/06/2012 23:53:55
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EVRA 190 Hi everybody, I've inherited the above engine from my brother but have no notes on its operation. Can anyone let me have a copy of theirs? Naturally I will bear all reasonable costs. Particular Q's, what fuel mix? what prop size? any tips? All help appreciated, thanks.

Edited By kenking on 15/06/2012 23:56:21

Edited By Steve Hargreaves - Moderator on 18/06/2012 11:11:42

Alan Cantwell15/06/2012 23:59:29
3055 forum posts

i have actually had copies of the instrcutions for several enya engines sent to me from the importers, steve webb models, they used to do a very good cheap overhaul service as well, cleaning the engines and the internals, and offering any bits that where wanted at a resonable price

Engine Doctor16/06/2012 10:42:07
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I ahve to second that. SWM have been very helpful in the past and have parts from early engines as well as up to date stuff. Well worth a call..Have just been on enya websitehttp://www.enya-engine.com/catalogueE_top.html and cant find a 190? is there a model number stamped on the c/case ?

Edited By Engine Doctor on 16/06/2012 10:47:09

kenking16/06/2012 13:25:29
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Engine Doctor, that wasn't a typo, the name IS ENVA, it's a 190 (1.9 cu.in.) from U.S.A. ser. 219 with Walbro carb 639-78 K8. Someone told me it's very similar to, or developed from, a Ryobi engine. I've been out of touch with model aeronautica for a long time. Did ENVA become Enya, is there any connection at all? I'll try SWM as you and Alan Cantwell suggest. Should get some answers there. Thanks fellas.
kenking16/06/2012 14:42:53
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To alan Cantwell and Engine Doctor. What a clot I am ! There was a typo, but not the one you thought. The engine name is actually EVRA and NOT Enva. Sorry for the confusion, it must be the excitement of aeromodelling again. Does this make a difference to your inputs ?
Alan Cantwell16/06/2012 14:49:05
3055 forum posts

face 1

 no relation to Enya at all, sorry,

this it?

Edited By Alan Cantwell on 16/06/2012 15:08:41

Edited By Steve Hargreaves - Moderator on 18/06/2012 11:15:53

Steve Hargreaves - Moderator16/06/2012 14:52:34
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Kenking, I've changed your thread title to EVRA in the hope of attracting someone who knows about these engines.....good luck!!

kenking16/06/2012 16:39:44
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Steve, thanks a lot. I'll be more careful in future. As a matter of fact there are two of these engines currently for sale on eBay, USA, apparently Hobby Lobby handled them. My biggest wish is for a copy of the operating instructions. Here's hoping.
Alan Cantwell16/06/2012 18:56:21
3055 forum posts

so, is the ebay link i put on, and probably going to get shouted at for doing, the engine you have?

kenking16/06/2012 23:07:36
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Hi Alan, yes it is. When I started googling the name( the correct one, that is) I found an American who is selling one and who shows a five minute video of it 'running good'. I came across it at 00:30 am and of course the volume was turned right up, so it got my wife's attention alright. You could find it I'm sure. My old eMac is being very temperamental, and I'm not really computer literate so can't give a neat link to it, sorry. Hope you don't get into trouble, I saw the warnings from Mods earlier today.
kenking16/06/2012 23:10:41
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52 forum posts
18 photos
Sorry, meant to say earlier that I contacted Steve Webb Models, and they'd heard of it but that's all.
Alan Cantwell17/06/2012 07:31:45
3055 forum posts

searched on every web site i know for obsolete instructions, nothing, i would treat it as a standard petrol motor, and run it at 40/1, you will need a petrol bung for your fuel tank, and tygone tubing for the petrol lines

Engine Doctor18/06/2012 11:06:35
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647 forum posts
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All becomes clear Grasshopper ! It looks a heavy old lump from the pictures on the web . I haven't seen one of those in many years. As alan says 40:1 mix should be fine . I have a old Quadra ,similar in construction and that runs fine on 40:1. Not very powerful but It starts if you give it a hard stare!!

Ben B18/06/2012 11:39:38
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So what's the prize?

Say 20:1 oil mix and 18-22" props.

By all accounts a tricky one to start unless you use a starter motor or a rope around the front pulley which tends to wack you on the bonce when you pull it hard.

Ben B18/06/2012 11:41:08
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1064 forum posts
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Found it here BTW

**LINK**

kenking18/06/2012 12:06:45
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52 forum posts
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Well thanks Ben B, but how can I contact Flying Rhino To ask for a copy of the bumph? Forgive me asking, if it's obvious, but I'm new to this game; I don't even know what BTW stands for. Please enlighten.
Ben B18/06/2012 14:53:31
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1064 forum posts
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Well if you know the oil ratio and the recommended prop the rest is (relatively) easy. Most of the carbs are pretty similar. I doubt you need the specific manual for that engine for the rest. You need to work out how you are supposed to choke the carb but that's about it. Certainly on all the gas engines I've tinkered with you close the choke, flip it until it runs (and stops due to being rich), then open the choke and get it running again. The carbs usually have two needles, a low end needles and a high end needle. Their functions are pretty obvious

Ben B18/06/2012 15:03:09
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1064 forum posts
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The one that Flying Rhino was selling was from ages ago. If you desperately want a copy of the instructions you could offer to pay someone selling one off Ebay to scan and send them to you

e.g.

**LINK**

they've obviously got a digital camera so they could always take a high res photo of the instructions if they haven't got a scanner.

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