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HomeAircraftHelicopterThunder TigerOther › Which engine for a 50v2?
11-01-2004 02:32 PM  13 years agoPost 21
Jason WAI

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Hong Kong

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plan to buy a 50v2 around Christmas time. Is there any significant difference between the OS 50 SX-H and the hyper version? In other words, is the hyper worth the additional cost?
Before, I thought Hyper was just better in apperance than previous version.

After trying it on a Raptor 50V2 last week, I was impressed about the improvement it made. More power seems to be generated from Hyper, perhaps because of better cooling and bigger carb. The main needle could be set a few more clicks clockwise without the risk of overheating.

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11-01-2004 09:42 PM  13 years agoPost 22
littleman

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Pasadena, Ca

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i have found alot of power on cp 15% for the weston and yes it si lighter and quieter w/ more power than the os.50sxh
A.J.

Proud member of Teams Castle, MSH USA, Futaba, Scorpion, & Nick Maxwell Products

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11-02-2004 12:07 AM  13 years agoPost 23
blakka_1

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London/Enfield

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os50 + mp2 + 30%

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11-02-2004 01:05 AM  13 years agoPost 24
littleman

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Pasadena, Ca

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the weston will not run on 30% at all but thats ok since 15% cp is cheaper than cp 30%
A.J.

Proud member of Teams Castle, MSH USA, Futaba, Scorpion, & Nick Maxwell Products

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11-02-2004 01:20 AM  13 years agoPost 25
AlanR8

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Saddleworth near Manchester (UK)

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I'm running an OS 50 SXH, Throttle Jockey, 12.5 % Magnum and MP2.

NO COMPLAINTS!!!!!!

Have just Uniflowed the tank and managed to lean the mixture out an extra three clicks, and I THINK I can go further. After a flight the backplate is just warm to the touch.

As for performance......BALISTIC! I've not bogged it down yet and my collective management is not as good as some!

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11-02-2004 09:58 AM  13 years agoPost 26
ShempHoward

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San Francisco, Ca - too many beggars + bad drivers

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By local shop are you refering to Alex's RC in Belmont? If so talk with him about the differences between the 50SX-H and 50 Hyper. He will not try to sell you somethng you don't need and is straight with his customers. A reliable person for Heli advice.

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11-02-2004 11:16 AM  13 years agoPost 27
PaulH-MA

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Boston, MA

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Ah, someone else who knows Alex!

Yep, he's a good egg. I like Alex. He's been very straight with me since I got into this whacky hobby a couple of months ago.

Yesterday I crashed the (really) old Shuttle Z I had been using for a practice machine. The guts of it (engine, etc.) are fine. It's just the airframe that is toast. I'm going to head down to Alex's today to get a Raptor 30v2 kit and a few other odds and ends. If my wife still wants to get me something heli related for Xmas, I'll just send her down there to get the 30v2-to-50v2 conversion kit and an engine.

--Paul

TREX 450
Bergen Intrepid Gasser x2

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11-02-2004 12:51 PM  13 years agoPost 28
littleman

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Pasadena, Ca

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alex
when you see alex could you tell him that A.J. Jaffe says hello. he will recognize the name he is a great guy.
thanks,
A.J.

Proud member of Teams Castle, MSH USA, Futaba, Scorpion, & Nick Maxwell Products

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11-02-2004 07:43 PM  13 years agoPost 29
ShempHoward

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San Francisco, Ca - too many beggars + bad drivers

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I must admit Alex is partly responsible for getting me into RC flying. I used to go back to Belmont once a year to visit my sister and would sometimes pass Alex's old shop in Watertown. I went in a few times just to have a look and one day he told me about the Burlington Field off Rte 128 which I went to see and almost immediately got the "Bug". Then when he moved his shop to Belmont I could just walk over to it from my sisters house. Havne't been back for a few years now though.

Where are you flying in the greater Boston area where I grew up?

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11-02-2004 07:59 PM  13 years agoPost 30
nivlek

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Norfolk England

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I have a West 50 and an O.S.50SXH and I vote for the West on the grounds of similar power with much lower fuel consumption.

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11-02-2004 10:36 PM  13 years agoPost 31
PaulH-MA

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Boston, MA

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Well, here's the deal: I ended up buying a Raptor 30v2 Pro ARF w/ TT39 engine from him today for $369. I have tomorrow off from work, so I will set it up and get it ready for this weekend.

Thank you all for the information. The 50 was just a little out of my budget at the moment. I will probably do the 30-to-50 upgrade route in the future. Alex had almost all of the parts necessary to fix my old Shuttle Z, so I could easily transplant the TT39 into it when I convert to a 50v2.

Littleman - Check your PM.

Shemp - I fly with the 107th in Revere. It's a little further from home (Reading) than the Burlington field, but several folks said that the 107th is a bit more heli-friendly.

--Paul

TREX 450
Bergen Intrepid Gasser x2

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11-02-2004 10:41 PM  13 years agoPost 32
littleman

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Pasadena, Ca

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wrenthem
try the wrenthem feild as well there are plenty of helis there.
A.J.

Proud member of Teams Castle, MSH USA, Futaba, Scorpion, & Nick Maxwell Products

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11-03-2004 09:08 AM  13 years agoPost 33
ShempHoward

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San Francisco, Ca - too many beggars + bad drivers

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Paul - You made an excellent choice in buying that Raptor V2 arf with the TT39. It will be easily and inexpensively upgraded at a later date.

I have heard that the Revere field is a good place to fly except if you have a far off the runway deadstick with a plane which results in crashing in mud salt flats.
Its a bit hard for me to understand exactly where that field is in Revere because all I can remember is the Amusement Park that used to be there when I was a kid in the late 50's and early 60's and I can't conceive that a space big enough to fly planes actually exists there. Must be a lot of fun flying in those Northeasters.

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11-03-2004 11:45 AM  13 years agoPost 34
PaulH-MA

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Boston, MA

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LittleMan - Thanks for the tip! I'll check it out one of these days. What's the name of the club that owns the field?

Shemp - I kind of figured that that would be the case. I found out that the replacement cost of all the parts I would need to get the old Shuttle Z up and running was $267. The Raptor 30v2 29bb kit is $269. My Shuttle has an old Enya 35 engine, which doesn't have a lot of power but does have a metric shaft. All of the modern engines have a 1/4" 4/40 threaded shaft for the flywheel. So, I wouldn't have even been able to salvage the engine for the Raptor. So, as much as I like O.S. Engines, paying $149 on top of the price of the kit didn't make sense when I could get the ARF with TT39 for $369.

Yeah, the Revere field can be a pain. Since it's all conservation land, if you crash, you have to go pick up all of the pieces because they could be an environmental hazard. The shed has a big old metal row boat so that you can go out into the marsh to retrieve your trash.

To give you an idea of where the field is, if you head South on Rt. 1 to the Rt. 60 rotary, continue South on Rt. 60. That's actually how you get to Logan Airport. As you go down Rt. 60, you will come to another Rotary for Rt. 107. Go 3/4 of the way around to pick up North Rt. 107. On the right side of the road you will see a Lobster store with a bunch of boats behind it. Directly across the street is the entrance to the field.

You actually have to go about a mile further down Rt. 107 to a U-turn area and then come back to the field entrance. There's a big steel gate that locks. Members have a key to it, but if you know someone who flys there, guests are allowed.

The wind does get a bit nasty there from time-to-time, but it usually stays constant in one direction. On the bright side, because you're flying over the marsh, there are no trees for about a mile in any direction. Visibility is great!

--Paul

TREX 450
Bergen Intrepid Gasser x2

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11-03-2004 12:39 PM  13 years agoPost 35
nivlek

rrProfessor

Norfolk England

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PaulH-MA,
I'm suprised that your Enya 35 has a metric thread on its shaft, I have an Enya 30 heli engine from the late eighties and that has a 1/4 UNF thread.I thought that the 35 was a later engine.My Shuttle from the early nineties required an engine with a 1/4 UNF thread as did the Concept 30 and the Space Baron (Enforcer).I can't think of a 30 size heli that required an engine with anything other than a 1/4 UNF threaded engine , are you sure that your Enya has a metric thread?

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11-03-2004 01:01 PM  13 years agoPost 36
littleman

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Pasadena, Ca

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they are called the lazy loopers. google them to find out more. they know me there i might have had a midair there last christmas. but no damage

A.J.

Proud member of Teams Castle, MSH USA, Futaba, Scorpion, & Nick Maxwell Products

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11-03-2004 01:14 PM  13 years agoPost 37
Lozzyho

rrApprentice

Tropical Ayrshire, Scotland

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We bought 3 hypers as a group. All of us were running OS-50SX-H beforehand.

Unfortunately, the first one broke straight away. A manufacturing or assembly fault caused the piston to catch on the inlet port and break the piston head and ring. My own theory is that the liner and piston were not the manufactured matching pair. Anyway, s**t happens. That's what warrantees are for.

The second one is running well, and seems to be quite a bit cooler than the 50SX-H which it replaced, which should enable you to run leaner and potentially get more than the 0.1hp nominal power difference. The carb is supposed to be easier to tune, and less fussy about the mix, but to be honest we've yet to verify this.

If you can afford it, go for it. If not, the OS-50SX-H is a great wee beastie. The TT50 seems to be harder to start, but more fuel efficient.

Just my 2 cents.

Loz

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11-03-2004 01:39 PM  13 years agoPost 38
gt900uk

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Scotland

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I have a TT50 with a MP2 on it. It gives great power and it was easy to tune and runs good. I can see no reason to buy the OS when you consider how much more it costs to buy and run. It does not give any better results in my opinion. Save ur money get a TT50 run it into the ground and if u werent happy get the OS l8r. Loz my TT starts very easily and my m8s does 2

This Heli Will Self Destruct In Five Seconds!!

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11-03-2004 01:43 PM  13 years agoPost 39
nojohnny101

rrElite Veteran

10 miles north of Cincy, OHIO

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hey
i think the main reason that people like teh OS engines better is because not fo their performance but because their more CONSISTENT of being well produced...
sure there are good TT50's out there and they might be just as good but i think people have just heard more consitency assoiciated wtih OS and TT just doesn't have the record to suuport their engines
the price also affects the quality i bleieve...you get what you pay for...

Let me know


Thanks
~Will~

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11-03-2004 01:47 PM  13 years agoPost 40
gt900uk

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Scotland

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Yeah but the OS engines seem to have many of there own problems i fail to see how it is any better from a well cared for TT engine. But hey thats just my opinion. Everyones different. I llike the longer run times and the cheaper buying costs mb im just a cheapskate

This Heli Will Self Destruct In Five Seconds!!

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HomeAircraftHelicopterThunder TigerOther › Which engine for a 50v2?
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