Opinions about a gas engine please. - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 11-23-2007, 02:50 PM   #11
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Re: Thanks for the replies

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Originally Posted by NewGuy
Wow guys,

From what I can gather from the opinions expressed, the bottom line is that for 3D use, go for a 50cc and a bigger plane.
Some of the Yak 54's look good and seem like great fliers.

Can anyone recommend a Yak that will pair up well with the DL50?
I have seen the one from ExtremeFlight. Any good?
That hangar - 9 that one person suggested also looks great!

Keep the this conversation coming!!

Thanks again gents,

You nailed it!! Might as well go to 50cc for a gas plane.

If you want to go cheaper than the H9 will work, if you want to go with best performance, hands down go for the Extreme Flight!!! There are a lot of companies out there that make a Yak,


Just watch the wing area, As a rule I like to see gasser above the 84" or so, this generally gives lots of sq inches.
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Old 11-23-2007, 04:05 PM   #12
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I really love my new Aeroworks 50cc yak, big improvement over my original AW yak. With a DA-50 on the nose it has unlimited and predictable performance in any attitude.
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Old 11-23-2007, 09:22 PM   #13
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84-87" wing for a 50cc
extreme flight
Imac # 4751
Speedway and Hobby
PTA Hobbies
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Old 11-24-2007, 08:12 AM   #14
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Great - thanks for the advice. Sounds like you all
feel the same way about going bigger if 3D is the
ultimatle goal. Sounds like that is the only way to
overcome the power / weight ratio issue.

Thanks again,
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Old 11-24-2007, 09:27 AM   #15
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Originally Posted by hillmanr2
84-87" wing for a 50cc
extreme flight
Out of these listed the Extreme Flight is the lightest by far.

They do not make an 87" any more but the 88" rivals a QQ102" in size but is light as a feather and has no problem with a 50cc engine. Just ask sawranty on here. He has had the EF 87" and a QQ 102" and then got the EF 88" and got rid of the others. He just flys 3D so he knows what he likes. The EF planes fly bigger then they are. Price is US $649.00 + shipping from Georgia.

Oh and no I am not an EF sponsord pilot.. I wish.

I have owned three of their Yaks though and was pleased with all three.

As a matterof fact I am thinking about the 88" Yellow/Black one myself as I just sold my las 87"

Here isa some info on the EF 88" Yak:

Introducing the new Extreme Flight RC 88 inch Yak-54! Considerably larger than their original Yak and more scale in appearance, the new 88 inch Yak-54 features many unique design features and quality components.

• Carbon fiber wing and stab tubes
• Double truss composite control horns
• Titanium turnbuckle pushrods
• Heavy duty ball links
• Wing and stab bags, canopy/hatch cover
• Quality painted fiberglass cowl and wheel spats
• Professionally applied Ultracote finish

Performance enhancements include a longer tail moment for even more stability and improved tracking, taller fuselage, which not only aids knife edge performance (knife edge loops recover at idle!) but helps retain scale appearance, larger tapered ailerons for even faster roll rate and increased roll axis authority at near zero airspeed. Maximum travel elevator maneuvers such as waterfalls, parachutes and walls are rock solid and track straight, with no tendency whatsoever to snap out.
Precision maneuvers benefit from the longer tail moment, and this Yak performs some of the prettiest snaps we’ve ever seen, sure to please the judges at your next IMAC contest.
If you are looking for the top performing aircraft in its class, you owe it to yourself to check out the Extreme Flight RC Yak-54.
Jim Daly
IMAC Sequence Committee Member
Your Friendly Neighborhood SouthEast Zone Director
MAAC #14323L IMAC #3678
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Old 11-24-2007, 09:47 AM   #16
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That's right I have 2 50 cc engines and 27% airplanes and it's awesome. My friend has the Great Plane Yak with a 50 cc and it's a good airplane too. But I also have the Seagle Yak 54 with the Zenoah 20 EI and having lots of fun with it when practicing new manoeuvers like knife edge ... Can make hover with it but hard to make harrier etc... I like this motor a lot ! Paul
So hard to make 3D but I love it !
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Old 11-24-2007, 09:57 AM   #17
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Maybe a bit off topic here, but I have a small conversion engine. Its 23cc's and swings a 16x8 at 6400 RPM how does that compare to the G20ei? The wieght of my conversion is very comparable.

Cheers. George
I keep having the same mechanical problem. I've got a loose nut on the transmitter!

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