bassmanh

My Feedback: (5)

lexam,


i just came across this thread and was wondering how it's going with this engine ? and if you wouldnt mind answering a few questions for me ?


first, what size tanks are you using to get 14 minutes flight time ?

second, i am thinking about running a pair of these in a H9 B-25 and was wondering if you feel they have the same or more power than the evo NT .36's glow engines ?

and last how much time are you getting with the batterie for the ignitions ?

thanks.




bass

lexam

I'm running a 6 oz tank. I was getting 28-29 minutes on a 10 oz tank.

This engine has a lot of power. I'm running a 13 X 8 prop and I'm getting something like 9200 RPM. My guess is that would be much more then a .36.

I have never exhausted the battery pack for the ignition in one day yet. I think the most I've ever flown in one day is about 3.25 hours. My guess is most people don't fly this much in one day.

lexam

I flipped the plane over and it had no problems starting. I have a cell phone video if you like.

bassmanh

My Feedback: (5)

lexam,


thanks for the response and answers to my questions. would love to see the video of the engine running.

so if you had to compair this engine to a glow 2 stroke what size would it be ? and also whats the size of the plane your flying it on now IE weight WS type of plane ?

also what is the fuel to oil ratio for this engine ?


thanks





bass

TimBle

This engine definately does exist. My local Magnum distributorhas a few on order and they will be in hand within 6 weeks. I've ordered one

Someone asked whats the point in a small gasoline engine?

Well for one gasoline has a higher energy content per kilogram so theres more power available to convert to thrust.
Some of thepower is absorbedby the extr weight for thancillary kit but the higher torque for bigger props largely overcomes this as does the act hat you can fly a small tank with a lighter fuel and get the same flight time as a methanol plane.

Gasoline is cheaper than Methanol with Nitro, and AvGAS is cheaper still since it does not attract the taxes that road transport fuels attract.
the only issue with runnig avgas is the high tetra ethyl Leadcontent ( a neuro toxin) so how you bahave at the flight field is more important. Actually, methanol with nitro oxidises to form nitric acid which isn';t nice stuff either so there you go, I stillthink ULP is better.


What I am interested in is the octane rating for the engine. Is hte octane required in US Octane numbers which is (RON+MON)?2 or is it in Euro OCtane numbers which is RON?

This is important because a octane sensitivity in the fuel and and MON will be important for good engine life. I may need to tweak my retail site purchased gasoline...

NM2K

My Feedback: (14)

Small two-strokes are not generally very octane sensitive. This is good, considering that the fuel octane is lowered with the addition of lubricating oil anyway. Small cylinder bores below a couple of inches tend not to be octane sensitive.


Ed Cregger

kochj

I will say this....

Isn't part of glow flying the hassle, of flame outs, dead sticks and possible losing a Aircraft over it/??

I have an Os 1.60 twin that is on C&H Ignition, and there is something very satisfying to being able
To walk over to your plane, flip the prop, and know that as long as you have a charged battery, your engine
Will not quit.. The engine runs better, and just Ticks over...
Chachunk, caachunk...

I am looking for a carb, as I would like to get rid of all that Slime on my scale Chipmunk.

I lost a plane this week, due to a muffler pressure issue on a tuned pipe .51 SuperTigre engine...

If I had that Magnum .52G, IT wouldn't have happened!>>>>>

If one is concerned about power on this engine, ADD A TUNED PIPE!....

kochj

'

w8ye

My Feedback: (16)

I was looking at the picture of the Magnum 52 G

It has a pump type carb but is not exactly a Walbro carb.

There is no regulator

I assume that the pump has a mylar diaphragm and the pumping action is weak?

The tank will have to be mounted close to the engine as in glow operation?

How sensitive is the needle valve?

Andika

nice engine for this full ABS plane...
or the FOX .52.. www.fly ing giants.com/forums/showthread.php?t=52717

w8ye

My Feedback: (16)

The carb on this new Magnum is made just like the carb on the Saito FG20 and FG14 gas engines. The Saito carb is a Trouble Magnet

JLITZ3

I am looking for a airframe that would go good with this 52 G as well as give the best performance value. Thanks guys

rhd-RCU

My Feedback: (36)

Great Planes Escapade.

erieqc

If I were going to buy one I was going to put it on a HANGAR 9 Funtana 50 I think that would be a good match except you might have to rethink the fuel tank location. It might have to be moved back a little than again it might be alright were it sets depending on the cg and not wanting to add weight to the tail. I had the Evolution 52 on this plane and had to add a little weight to the nose so it might be alright. Just my 2 cents.

mikecoul

A short video.
http://www.twitvid.com/3DTWY

mikecoul

These guys VQ Warbirds are expecting to have stock November 10 2010.
http://www.vqwarbirds.com/product_in...roducts_id=130

RCer22

I am thinking of getting one for my Escapade.
I have a 50 size Enya on there now and the plane has average power.

Fuel is getting too expensive to buy and gas is still cheap.

Anyone know who else makes these 50 range gas engines?

NM2K

My Feedback: (14)

I have a .52 gas ordered, but I can't help but wonder why they didn't start out by offering a .75 or .91 first? I do hope that this is just the beginning of their gas fueled offerings. Maybe a few four-stroke gassers too?


Ed Cregger

captinjohn

<hr />How warm or hot does little gasser run in a airplane? Do you feel that this .52 gas engine getting to "warm or hot " would be a problem? Just Curious Capt,n

Andika

http://www.rcuniverse.com/forum/fb.asp?m=9886784

TimBle

and you know this how?

NM2K

My Feedback: (14)

If your Escapade isn't well powered by a glow Enya .50, your Magnum .52 gasser is going to be very disappointing, power wise.

Now if you were currently powering your Escapade with a sporty .32 two-stroke, THEN you might attain parity with the Magnum gasser.


Ed Cregger

TimBle

You have flwon this engine in order to be so authoritive about its performance?

NM2K

My Feedback: (14)

No, but I have enough knowledge about the difference in power that gasoline fuel provides versus glow fuel to know that parity between the two is physically impossible. Does your physician have to have experienced lung cancer in order for him to diagnose a patient with having lung cancer? Same thing.


Ed Cregger

JNorton

My Feedback: (2)

TimBle,
Both w8ye and NM2K have years of experience. w8ye owns the saitos he is talking about. I would trust their opinions.
John