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HelicopterEngines Plugs Mufflers Fuel › OS .32 SX-HX Ringed vs OS .37 SZ-H
11-10-2005 06:53 PM  12 years agoPost 1
gps_tt

rrNovice

Brandon, Mississippi

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This is going to be my first helicopter engine. I am trying to get someone's (anyone) input or recommendation about these two engines for a new Raptor 30 V2. Both of these engines are in the same price range. I was told by the vendor that the .32 will perform better than the .37 for a basic hovering and 3D! I always thought that the bigger the engine is the better it is, and I might be wrong. What is the diffferent between a ringed & a non-ringed engine?
Thanks.

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11-10-2005 07:13 PM  12 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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Whoever told you that at 32 would outperform a 37 needs to drop the crack pipe.

Get the 37 if your sticking with a 30 or save yourself upgrading later and get a 50.

http://www.heliproz.com or
http://www.ronlund.com

Andy
AMA 77227
http://www.jaxrc.com

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11-11-2005 01:03 PM  12 years agoPost 3
Paulie

rrApprentice

Waterford, MI

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I have a .32...
If the .37 were available at the time I bought it, then it would have been a .37.

Buy a .37!

There's nothing like the sound of a tortured Stratocaster.

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11-11-2005 08:17 PM  12 years agoPost 4
Paulie

rrApprentice

Waterford, MI

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Another reason to buy the .37.

Resale value...for the extra $10.00 you have an engine that has a higher street value and far more power. Try to sell a .32. They are a great engine but not worth much because of the avalability of the .37.

If you want to get your $10.00 back, just burn some 10%-15% fuel through the .37 as opposed to the 30% you will end up burning in the .32.
You will STILL have more power with the .37. You may not need it now...but you will later.

Paulie

There's nothing like the sound of a tortured Stratocaster.

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11-14-2005 03:38 PM  12 years agoPost 5
k2enzo

rrNovice

Santiago, CHILE

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the only bad thing is the flight time with the 37
I have it in a Shuttle and the tank is too small for it, I was getting about 8 min. With the 32, I would easilly get 15 min

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11-14-2005 03:44 PM  12 years agoPost 6
reddragon

rrElite Veteran

Brooklyn, N.Y.

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But of course! The .37 is a little more thirsty that the .32.

GPS--Buy a O.S. .37 engine and leave the .32 alone.
The O.S. .32 is (I believe) 1.2 bhp and the O.S. .37 is 1.4 bhp. The ringed engines will start easier and will survive lean runs better than non-ringed engines. With engines of the "same displacement" the non-ringed engines do put out a little more power.

Wayne - Fly it like you stole it! You're in good hands with Runryder!

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11-14-2005 06:52 PM  12 years agoPost 7
turboomni

rrProfessor

East of the Equator

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Although not as nicely made or not as user friendly ,, after abit of fiddling like the Webra 36. It has very good power and I get an easy 14 minutes out of it throwing it around,,over 17 just puttin around
but if this your first heli,stick with OS.
If you're just learning to hover and OS 32's are nice but worthless used,
why not get a used 32 and buy a case of fuel with the money you saved.
You';ll get 15 minutes hovering per tank and become an expert in no time!
Just a thought.

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11-15-2005 01:23 AM  12 years agoPost 8
gkoutsis

rrKey Veteran

Athens Greece

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I am still hovering using an old 32 FH. Once I am ready for something more advanced I am going to install the OS 37 I have.

I get arround 20min per flight now....

George

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11-15-2005 04:30 AM  12 years agoPost 9
turboomni

rrProfessor

East of the Equator

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Actually I was thinking of first upgrading my Raptor 30 to a 50. Then I thought of getting a new 50 with Hyper. I then thought of upgrading the 30 to a 50 and buying another 50!
What I did instead was leave the fuel sipping 30 as is with the addition of Carbon blades and greenie paddles and it hooked up to the outer hole on the mixing arm. The 50 Raptor with an OS Hyper has carbons and greens on the inner hole.
I have 2 very different heli's now that I have a good time equally with.
The 30 I can flip on itself ,,tight tumbles and is extremely manuverable and the 50 is fun for faster flight and big loops more like a Pattern plank if you will.
If gps tt is rather new to heli's a 32 will fly inverted ,,will fly foward and backward inverted,,will nose in inverted,,will do backwards/forwards inverted and upright figure 8's 5 feet off the deck,,stall turns ,,loops,,inverted loops,,rolls and on and on. That's still Alot to learn in my mind.
I enjoy the 30 still because you really become aware of collective management and the nuances of making the thing fly well and under complete control with a finite amount of power. Lots of power is good of course but to me it can be a curse in the long run for learning real personal control of the heli. Maybe I'm getting old but I still admire grace, control and smoothness in maneuvers more than the hanging on jaw dropping violent stuff 6 inches off the ground that just makes me wonder how the heli stays in one piece!! Impressive ,,yes of course but beauty??? No.
I like the fact with the 30 you really have to plan and know how you will do the maneuvere. Sure the 50 is a BLAST but so is my 30. In my mind power can corrupt with heli's too.
My 2 cents

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HelicopterEngines Plugs Mufflers Fuel › OS .32 SX-HX Ringed vs OS .37 SZ-H
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