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airraptor 11-16-2012 06:03 PM

Best for racing?
 
Between these two engines which is best for speed the DA 60 or the Evo 58? warbird type plane like say a mustang around 18 lbs or so.

kmtranmd 11-17-2012 03:48 AM

RE: Best for racing?
 
How about the G62 old horse,now with electronic ignition called the Platinum series? Just got one in and looks great.
Engine alone weighs only 3 lbs 14 oz.
It's cheaper, indestructable, and super reliable.
DA 60 is more torque engine for 3D flying IMO.
I've flown warbirds with both DA 50 and G62, and there's no comparison.

airraptor 11-17-2012 08:38 AM

RE: Best for racing?
 
Yes I amy have to look at that one. I wonder what the 50 cc warbird racers use?

w8ye 11-17-2012 10:41 AM

RE: Best for racing?
 
The AT-6 Texan racers use the Zenoah G-62

closetguy 11-17-2012 11:30 AM

RE: Best for racing?
 
Evolution 58,if that is the engine you are talking about.hands down the best speed engine you can get when run on a pipe,it will spank that DA60.
i had one on a ES pipe it would spin a Xoar 24-8 at 7500+,just gobs of instant HP and throttle response.
if you have the need for speed this one is it.
you might be better off looking into a MVVS58,same engine but put together with a little more care.

airraptor 11-17-2012 05:53 PM

RE: Best for racing?
 

Quote:

ORIGINAL: closetguy

Evolution 58,if that is the engine you are talking about.hands down the best speed engine you can get when run on a pipe,it will spank that DA60.
i had one on a ES pipe it would spin a Xoar 24-8 at 7500+,just gobs of instant HP and throttle response.
if you have the need for speed this one is it.
you might be better off looking into a MVVS58,same engine but put together with a little more care.

Thanks do you think a 20x18 or 20x20 prop would be too much for it?

mikes68charger 11-17-2012 06:00 PM

RE: Best for racing?
 
Thats a lot of pich, and I can tell you that on most bigger birds thrust is just as important as pich speed.

But if you turn a smaller prop faster / higher rpm you will get your thrust back.

closetguy 11-17-2012 06:52 PM

RE: Best for racing?
 
i have not done much with speed props, so i can't help you out there.
you need to talk to Pe Reivers.just google MVVS he will turn up some where,don't know the web link.

apalsson 11-17-2012 08:00 PM

RE: Best for racing?
 

Quote:

ORIGINAL: airraptor
Thanks do you think a 20x18 or 20x20 prop would be too much for it?
20x18 should be fine.
I tried a 22x14 on a 58cc for racing in my Top Flite P47 and did quite well as a racing setup. In our class, we are not allowed any mufflers "outside the cowling" which rules out pipes or canisters. My solution was the side dump MVVS muffler
If you can fit the INT58 canister (MVVS canister), you will gain a couple of hundred RPM on top of what any side dump or Pitts muffler will give you
Prop the engine for some 6400 - 6500RPM static. This will unload to around 7800 - 8000 in flight and give you some very good speed.

kmtranmd 11-21-2012 03:42 PM

RE: Best for racing?
 
I slapped a DA85 in my TF P47 and did not see impressive speed out of that Jug. Too much drag on that bulky airframe.
My TF P51 with DA 50 and Keleo scale exhaust swinging the T6 racing prop (APC 20x12 special order from Tower) put a smile on my face for years now.
If doing it over, I would put the Zenoah ZP 62 with same P51 airframe and T6 racing prop for speed warbird set up.

flygilmore 11-27-2012 12:09 PM

RE: Best for racing?
 
I would def. look at the G62 and prop it to spin up.........most guys really underprop this great engine!


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