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| Gas Engines and Power Discuss all aspects of giant scale power systems |
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| | #1 (permalink) |
| Gettin' Lower! ![]() Join Date: Sep 2007 Location: Tuscaloosa, AL
Posts: 37
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I just ran my 4th gallon through my 85 and was thinking of going to a 27" prop. Right now I'm running a 26x10 ZM carbon fiber prop on a Slimline Pitts. Is there a better prop out there that will put more air over the control surfaces and reduce torque?
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| | #2 (permalink) |
| IBEW Local #1 ![]() Join Date: Jan 2006 Location: Ofallon, MO Age: 30
Posts: 1,087
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I have used a Mejzlik 26-10 for break in, liked it quite a bit then switched to a Mejzlik 27-10TH. I like the 27-10TH but is spins up very high RPM's and is loud, I tried a Xoar 26-12 today for a few flights and did not care for it too much it had a much slower spool up than either of the Mejzlik's. I have a Regular Mejzlik 27-10 from my 100 that I may try on the 85. In all likelyhood I will stay with the 26-10 Mejzlik, as I felt it had the best overall performance......No RPM #'s I evaluate my props, by how my plane flies not the rpm #'s
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| | #3 (permalink) |
| Gettin' Lower! ![]() Join Date: Sep 2007 Location: Tuscaloosa, AL
Posts: 37
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Thanks greyhoundman, Let me know if you try the regular 27x10 and how it performs. I'm trying to find a prop that will reduce torque. I'm having to hold full right aileron to try and keep the plane from torque rolling in a hover.(35 degrees of throw)
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| | #4 (permalink) |
| BYE BYE BOU ![]() Join Date: Jan 2006 Location: Townsville, NTH QLD, Australia
Posts: 4,692
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Standard 27x10 Mejzlik works great for me.
__________________ It's hard to soar like an eagle when you are surrounded by turkeys.. ![]() www.extraaircraft.com www.scaleaeros.com.au www.desertaircraft.com.au www.theprofilebrotherhood.com www.booma-rc.com |
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| | #5 (permalink) |
| Gravity Sucks! ![]() Join Date: May 2006 Location: Castle Rock, Colorado Age: 36
Posts: 174
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There are several other threads on this topic that may help you: DA 85 prop @ 5000ft Best Prop for DA85? I like a Menz 26x10 for 3D. |
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| | #6 (permalink) |
| Bad-ass Super Contributer! ![]() Join Date: Jan 2006 Location: Lexington Kentucky U.S.A.
Posts: 2,125
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one of these 2 are the best i think the 27x10th is better but if you want faster spool up than that youll need to go 26x10 Mezjlick 27x10th 26x10 i dont care about sound and going to a reqular 27x10 you lose a lot of performance.
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| Gettin' Lower! ![]() Join Date: Sep 2007 Location: Tuscaloosa, AL
Posts: 37
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I tried the Vess 26A and 26B TBM 26x10 and a ZM 26x10 carbon fiber this weekend. The Vess 26B was by far the best of the bunch! .
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| | #11 (permalink) |
| Caymanian Pirate Code Monkey ![]() Join Date: Jul 2006 Location: Mustang OK, USA Age: 29
Posts: 1,389
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I'm using the 26x12 Mejzlik and getting much better pullout than on the 27x12TH. That's the prop that QQ recommends for his DA-85 setups. I haven't flown 3D with is but its a much better IMAC prop.
__________________ Sawdust is weight leaving the airframe. |
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| | #12 (permalink) |
| Bad-ass Super Contributer! ![]() Join Date: Feb 2006 Location: Pearland/Houston,Tx Age: 21
Posts: 980
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Am using a Xoar 27 3D prop, and it work great for 3D. The prop spools up fast. I have also tried a Xoar 27*10 carbon tip. This prop is great for IMAC and it is very quiet.
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