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HomeAircraftHelicopterCentury Radikal G20-30 N640 Hawk Predator › What Motor For My 2nd Raven 50
10-29-2006 05:01 PM  11 years agoPost 1
ronaldc

rrApprentice

Sandwich,IL.

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I have a OS50 Hyper in mt 1st Raven 50 and love it, but I would like to try a another brand in my 2nd Raven. I'm not into 3-D. Getting too old(59), but I enjoy power. Any recomendations? I here Weston 50 is good, but they are expensive.

Thanks in advance,
RonaldC

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10-29-2006 05:53 PM  11 years agoPost 2
BC Don

rrElite Veteran

Calgary, AB Canada

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Ronald, what's this "getting too old" crap? Does this mean in 3 years that this will be the "3rd thing that goes for me"? I've been married for over 30 years and I can't hear anything unless you TYPE THEM IN CAPS so that's the first 2 things to go .

I burnt up my OS50 (non-hyper) a while ago so I figured I'd just go with a Hyper but if there was a 60 size with the same mounting pattern I'd think about going with it.

I'd like to get far enough into 3D so I could sorta do it but I'm more into FAI kinda stuff. I may get more into scale in the future but I don't want to take a ton of time to build, rather build and fly something that looks realistic (oh and if it can shoot other things out of the sky or drob large explosives that'd be a bonus)

Got Money? Send it to me, I'm a Heli Addict.

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10-29-2006 06:01 PM  11 years agoPost 3
J Kofoed

rrApprentice

Denmark

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I can only recomend West Eurotech 50H.
It has a lot of power if you want that.
It is very fuel economic.
Can handel low nitro. Sometimes I use 0%.
But to control it I use Rev Max.

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10-30-2006 01:49 AM  11 years agoPost 4
Gearhead

rrMaster

Vt

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how about the Webra 55 ??

Jim

Jim
Buzz Buzz Buzz

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10-30-2006 02:43 AM  11 years agoPost 5
snobdrs

rrVeteran

coatesville,pa-usa

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i just put a webra 55 in my venture, i ordered the correct pipe for the motor( magic pipe) and should be running it in the next week or so. Also im going to break in on 0 nitro as the manual suggests. I hope to run on either 5 or 10 percent

Support your local hobby shop

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10-30-2006 03:20 AM  11 years agoPost 6
catzazz

rrApprentice

Vancouver Island, BC, Canada

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OS 50 Hyper and a governor.

Cheers, MM

Fly like you borrowed it!! Land like you stole it!! visit www.virc.ca

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10-30-2006 03:28 AM  11 years agoPost 7
AGRAV8

rrProfessor

Mosquito Coast......Houston Texas

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hyper
just DO it.

GOOD guy list-39, BAD guy list-0

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10-30-2006 05:57 PM  11 years agoPost 8
jackheli

rrProfessor

Vancouver - Canada

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Don't go with the Webra. It is a waste of time.

I had one and it only lasted for 6 gallons. Very tricky to set up and break-in.

It is suppposed to be a no-nitro engine, but it would NOT work with less than 15%, which ended up frying the engine.

It's easy to find an excuse to do wrong. Hard is not to find an excuse to do right.

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10-31-2006 01:21 AM  11 years agoPost 9
snobdrs

rrVeteran

coatesville,pa-usa

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jack heli the motor i have if the 55p5, this is a brand new motor and has not been around for that long. Ive read alot of good reviews on this engine. Did you break in the engine properly as the manual??? this motor will not run on anything more then 15%. Some of the older webras were not to great and it sounds like thats what you had.

Support your local hobby shop

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10-31-2006 05:48 PM  11 years agoPost 10
jackheli

rrProfessor

Vancouver - Canada

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I wouldn't want to put a bucket of cold water on your gear, but I can't say I can recommend this engine either. Mine was a 52AAR which is very similar to yours.

I followed CHRC's recommendations to the letter, spending almost 2 gallons breaking the engine in.

The engine simply refused to work on 0% nitro. I would have to open the needles up considerably (note that the Webra needles work differently than other brands) to the point where the engine would almost not start. After 30 seconds on a very rich hover it would heat up and lean out really bad. I then switched to 15% nitro which fixed this problem.

I found that the engine would also not hold needle settings. Be prepared to walk around with a screw driver in your pocket so you can adjust the mid range before every flight.

The main needle flew off in flight and the replacement needle CHRC sent me was wrong, which completely busted the spray bar (which I also had to replace at my expense).

Really disgusting was the amount of fuel that leaked from the front bearing. You'll do a lot of cleaning on your heli!

As it stood, although I never let the engine run lean, there were all signs of abuse because of excess nitro and lack of oil.

Webra wasn't very supportive of my case and now after a con-rod-broken-while-inverted, I'm happy to say I'm an owner of a Hyper, which completely overpowers my late and defunct only-good-for-6-gallons Webra.

It's easy to find an excuse to do wrong. Hard is not to find an excuse to do right.

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10-31-2006 06:05 PM  11 years agoPost 11
snobdrs

rrVeteran

coatesville,pa-usa

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well i flew a few flights on mine yesturday without problem. I mixed my own fuel as manual recomends. 80 methanol 20 castor. Fired right up and ran like a top. slightly on the rich side. Ran strong with a good amount of power. Should only get better as she breaks in. No problem with fuel coming through the front bearing. Or for that matter any of the other problems you have had.
As i said before this motor is new this year 55p5 AAR. Working for me and many others over the pond are happy with it.
I also went and got the pipe just for this engine which i think makes a huge difference. This pipe is as big as my hatori on my YS61.
Cant wait to have it totally broken in.
Jack what pipe did you run? what fuel were you breaking in with?

Support your local hobby shop

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10-31-2006 06:25 PM  11 years agoPost 12
jackheli

rrProfessor

Vancouver - Canada

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I used a MPII which I am now have on the Hyper.

I started with Morgan FAI 0% and ended with Coolpower 15%.

This is how it looked like when new.

This is how it ended up with 15% nitro running rich.

It's easy to find an excuse to do wrong. Hard is not to find an excuse to do right.

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10-31-2006 09:04 PM  11 years agoPost 13
BC Don

rrElite Veteran

Calgary, AB Canada

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Anyone try the new Evolution 52 or 55, whichever it is? Saw it in one of the mags recently.

Got Money? Send it to me, I'm a Heli Addict.

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10-31-2006 09:05 PM  11 years agoPost 14
BC Don

rrElite Veteran

Calgary, AB Canada

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But, I was going to add that if you have an engine and it works well and you know how to tune it then get the same one again. I've had my share of problems with "other" brands than what I'm used to. I'd rather fly than play around trying to tune an engine or break in one that needs 3 or 4 gallons instead of 1/2 a dozen tanks.

Got Money? Send it to me, I'm a Heli Addict.

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11-01-2006 03:29 AM  11 years agoPost 15
snobdrs

rrVeteran

coatesville,pa-usa

My Posts: All  Forum  Topic

well the mp2 is not made for this engine. Low nitro motors with high compression use difference tuning. I went to extra lengths to get the correct pipe for this engine. And the fai fuel you used in not a true castor mix. I mixed my own using strictly methanol and castor. So far so good.

Support your local hobby shop

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11-01-2006 03:32 AM  11 years agoPost 16
jackheli

rrProfessor

Vancouver - Canada

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Let us know when you are close to the 20 gallon mark.

Cheers.

It's easy to find an excuse to do wrong. Hard is not to find an excuse to do right.

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11-01-2006 07:29 AM  11 years agoPost 17
ronaldc

rrApprentice

Sandwich,IL.

My Posts: All  Forum  Topic

I guess I'll be some of the first to try the new Evolution .52NX heli engines from Horizon Hobbies. I just ordered one tonight,
Wish me luck! I hope its not a mistake, I just like to try new technology.

Thanks for all of your replies.
RonaldC

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