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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › OS50 Hyper and Cline question
09-10-2006 07:46 PM  14 years ago
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Yug

rrMaster

UK. Herts

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OS50 Hyper and Cline question
I'm using the cline setup on my 90 and its tremendous. So I thought I'd try it with one of my 50s. 1st problem seemed to be that the crank pressure wasn't great enough for the check valve that came with the cline, so I swapped it out for a Perry VP-2CV check valve. Pressure now seemed to be generated.
I did eventually manage to get the engine running for a short while but it kept konkong out in idle so I eventually gave up as I was rather keen to get on with some flying.
I am interested to know what anyone might suggest as needle settings and also if infact I'm wasting time with attempting this setup.
Vegetable rights and Peace
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09-10-2006 08:20 PM  14 years ago
DOKEY

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Northamptonshire UK

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Ask Tris, last time I spoke to him he was doing this setup and seemed extremely happy with it, he was on about trying an MP2 90 on it next Ryan.
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09-10-2006 08:29 PM  14 years ago
Yug

rrMaster

UK. Herts

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I've pmed him. Fanx Vegetable rights and Peace
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09-10-2006 08:38 PM  14 years ago
Eco8gator

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Palm Beach, FL

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I have a Hyper 50 with the 60K carb and Cline regulator with the JK Hatori Pipe. I purchased it with my Evo 50 here on RR. I haven't started it yet but Jon (Mudbogger2) seemed to like it when he owned it. From the looks of it hes using the stock check valve like you have on your 90.

Ill let you know as well how this combo work and the needle settings Im using. You could PM him and ask him what his settings are...only thing is Im not sure what carb your running. If stock I guess the setting really dont apply. Either way Ill post what Im using.

Carlo
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09-10-2006 08:54 PM  14 years ago
Tmblewd

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Phoenix, AZ

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Wouldn't a 60B carb off a OS .61 work better than a 60K off a.91? I thought about putting a 60B on my Hyper, but I don't want to use a perry pump with it.
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09-10-2006 09:43 PM  14 years ago
evilone

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Melbourne Australia

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Iv been using a cline with my hyper 50 60b carb and a hatori 666 on my raptor for 18months had no dramas at all.It went where??? Oh up there!!!!!!!!
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09-10-2006 11:51 PM  14 years ago
Yug

rrMaster

UK. Herts

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I'm using the standard 60L that comes with the hyper - never really had any grumbles with it. Strange though how I was unable to get the cline check valve to generate any tank pressure - almost as if it was too 'stiff' for the hyper crank pressure. I tried blowing down the line and couldn't open it unlike the Perry check valve which has some kind of floppy vane so it offers little resistance to crank pressure to open it.

Update - I've just been fiddling about with the cline check valve with compressed air. There was a 'pop' and the valve now seems OK. Looks like it just needed loosening up. Give it a whizz tomorrow.
Vegetable rights and Peace
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09-12-2006 08:07 PM  14 years ago
teeroy

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Huntsville Alabama

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Send James Oneal at OMI an email or call him about the cline setup. James has converted several hyper 50 engines to this setup. The 60k carb has the same bore as the stock hyper carb but it gives you 3 needles to adjust with.
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09-12-2006 08:16 PM  14 years ago
colsy

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Cambridge, UK

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I am also looking for the 60K carb, as recommended by Ron Henry, I understand there is a plastic sleeve that needs to be cut of to fit in the Hyper's throat.

Guy what are you expecting from the cline, all my Hypers run spot on at the mo, but do fancy playing with the three needle carb.

Colin...
Only Quote From Experience.
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09-12-2006 08:58 PM  14 years ago
Yug

rrMaster

UK. Herts

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The reason why I wanted to go cline was 1st to use crank pressure and avoid nitric acid in the fuel system. 2nd I've already fitted a pressure nipple to the backplate so the pressure can also be used for a smoke system. However, I've now plumbed it back to muffler pressure so at least I can fly the thing. I'm still intending to use crank pressure for the smoke system and all I need to do there is make up a needle system that fits in the fannymould to regulate and atomise the smoke oil. I also had a communication from tris heli who has successfully clined his 50, but of course (and this is where I failed), it was an OMI modified 60K - same as what I use in my 90. Turns out though that Skyline offer a clined 60K but its £200 which is too much for me at the moment, so i'll stick with muffler pressure for the time being. Afterall, it works fine.
Colsy - go Skyline for your clined big bore 60k
Vegetable rights and Peace
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09-12-2006 09:05 PM  14 years ago
Joe Ubaldo

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Grand Rapids, MI USA

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I sent my OS70's 3-needle carb off to James at OMI for cline modification. When I received it back, I installed in on my OS50 Hyper. I was running a UNIFLOW setup prior to the carb change and found the engine would go lean during certain maneuvers. After installing the Cline modded carb, the lean condition has disappeared. I do notice the engine goes rich when inverted...not sure what that's about...still working on fine-tuning the needle settings.

All-in-all...I'm VERY happy with the Cline setup (I've also have a Cline regulator installed on my OS 91-SZ).

Joe
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09-12-2006 11:16 PM  14 years ago
tris_heli

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Lidlington, Bedfordshire, UK

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Finally found this thread ..

Yeh ive been running a 60K big bore cline on my 50 hyper with great (no fantastic) results for the last couple of months.

I mainly went that route because a. i already had one and b. i wanted to use a carb that allowed me to lean the mid.

But like i said to guy, its just such a shame that the carb costs more than the engine.
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09-12-2006 11:30 PM  14 years ago
Yug

rrMaster

UK. Herts

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Frustrating init. I reckon a Hyper less the carb costs about £70, and the cost of a cline moded 60K is £230. WTF that makes no sense.
I'd be happy bunging £50 at the hyper to buy the cline (as I have done) to fit to it if only there was a simple fix to make it work, but not £230.
Vegetable rights and Peace
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09-12-2006 11:35 PM  14 years ago
tris_heli

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Lidlington, Bedfordshire, UK

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From memory, and if there's a few of you who are willing to club in towards the postage, it costs about £70 per carb to ship it off to james, for him to then do the big bore/cline and then to ship it back.. That was about a year ago since i did mine though.

But then that does mean your without your carb for the best part of a month
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09-12-2006 11:41 PM  14 years ago
Yug

rrMaster

UK. Herts

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Yeah i have his price breakdown somewhere. I'll wait till I'm feeling rich again.
In all honesty, I'm very happy with the stock Hyper performance. Yes it is boggable but only if your going nuts with all sticks in all directions without any consideration whatsoever
Vegetable rights and Peace
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09-14-2006 11:57 PM  14 years ago
bobj

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United Kingdom

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Hi Guy

I can't check until the morning but think our Cline carbs are a lot less than that now.

Cheers
Bob J
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09-16-2006 01:00 AM  14 years ago
Yug

rrMaster

UK. Herts

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bobj - meant to phone you today but got sidetracked with the freneticisms of life. Question, do you know what the difference is between the OMI Cspec and SZ clined carbs ?Vegetable rights and Peace
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09-17-2006 09:49 PM  14 years ago
tris_heli

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Lidlington, Bedfordshire, UK

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I think its all to do with the bore guy...

Now this is off the top of my head here but..

Stock c-spec is 10mm.. Sz is 10.8mm (i think)..

Omi offered (or still offers) two options with the old 60k (c-spec) carb, cline or cline + big bore (which enlarges it to 10.6mm)..

Obviously if you get a clined sz carb, then there's no need for the big bore option..

Ive seen cline carbs for sale for about £150ish though (new)..
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09-17-2006 11:56 PM  14 years ago
Yug

rrMaster

UK. Herts

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I see, so the SZ carb in its stock form is already big bore so to speak. That explains the price difference I've seen. ThanksVegetable rights and Peace
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09-18-2006 10:40 AM  14 years ago
bobj

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United Kingdom

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Hi Guy

Tris is right, the Clined SZ carb is 150 Pounds

Cheers
Bob J
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