Best 3D prop for Saito 82A  
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All Forums >> RC Airplanes >> 3D Flying! >> Best 3D prop for Saito 82A
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Best 3D prop for Saito 82A - 9/14/2004 9:29:23 PM   
zorka


 

Posts: 132
Joined: 5/31/2003
From: Panama,
Status: offline 		Got a Saito 82A 4 stroke and would like advise on best 3D performance prop for this engine. 3D plane will weight around 5 pounds with 3d surface controls. Any help would be appreciate it
       Post #: 1

RE: Best 3D prop for Saito 82A - 9/14/2004 10:41:17 PM   
Dewey2


 

Posts: 1896
Joined: 1/6/2002
From: sparta, TN, USA
Status: offline 		apc 14/4w or ms 13/6 k

(in reply to zorka)
       Post #: 2

RE: Best 3D prop for Saito 82A - 9/14/2004 11:05:57 PM   
ben beyer



Posts: 2339
Joined: 11/23/2002
From: College Station, TX, USA
Status: offline 		i'd try a 14x6 k series or apc wide blade or a 15x4 apc wide blade. also depends on what the airplane is, so what is it?

(in reply to Dewey2)
       Post #: 3

RE: Best 3D prop for Saito 82A - 9/15/2004 12:16:00 AM   
zorka


 

Posts: 132
Joined: 5/31/2003
From: Panama,
Status: offline 		Thanks for your help Ben. Its a Edge 540 40 size airplane so expect this light 4 stroke will render good power/weight ratio for 3d stuff. I actually have already the 14x6 KS but will consider others after maiden flight to test best 3D performance

Thanks again

(in reply to ben beyer)
       Post #: 4

RE: Best 3D prop for Saito 82A - 9/15/2004 12:27:14 AM   
PlanePizza


 

Posts: 27
Joined: 9/14/2004
From: HAMPSTEAD, NH, USA
Status: offline 		i would go with a 14x4 apc prop especialy if the motor hasent broken in yet?

(in reply to zorka)
       Post #: 5

RE: Best 3D prop for Saito 82A - 9/15/2004 12:37:14 AM   
zorka


 

Posts: 132
Joined: 5/31/2003
From: Panama,
Status: offline 		Thanks Plane Piza,

I have about 6 tanks (40mins) on the engine already on a stand. Do have the 14x4W apc available also so will try both. Maybe the 14x4w first.

Thx

(in reply to PlanePizza)
       Post #: 6

RE: Best 3D prop for Saito 82A - 9/15/2004 2:38:35 AM   
Flightwatch


 

Posts: 108
Joined: 1/2/2003
From: Trenton, NJ, USA
Status: offline 		I like a Zinger 14X5 on the 82a with my UCD 46. Have tried APC 14X4 and 15X4 and Zinger 14X6. Find the engine runs hot on 15X4 and 14X6 on hot days. Would run erratic when hot, think it was vapor-lock. Dosen't miss a beat on 14X5.

(in reply to zorka)
       Post #: 7

RE: Best 3D prop for Saito 82A - 9/15/2004 2:38:58 AM   
daveopam



Posts: 4356
Joined: 10/10/2002
From: ELK CITY, OK, USA
Status: offline 		I switched from a .72 to an .82. The 14x4W is not enough prop. Mine is on a Funtana. With the needle on the rich side it will swing the 14x4W APC at 10,600 on 15%. Thats way to much IMHO. I have a 15x4W and a 14x6 on the way. I am flying that way but using throttle mgmt.

David

_____________________________

"Choose your shirt and shoes by the color. Choose your friends by their character." unknown

(in reply to zorka)
       Post #: 8

RE: Best 3D prop for Saito 82A - 9/15/2004 3:17:25 AM   
Dewey2


 

Posts: 1896
Joined: 1/6/2002
From: sparta, TN, USA
Status: offline
quote:

I switched from a .72 to an .82. The 14x4W is not enough prop. Mine is on a Funtana. With the needle on the rich side it will swing the 14x4W APC at 10,600 on 15%. Thats way to much IMHO. I have a 15x4W and a 14x6 on the way. I am flying that way but using throttle mgmt.


what could be wrong with mine i'm only turning 9,600 on 30%cp

(in reply to daveopam)
       Post #: 9

RE: Best 3D prop for Saito 82A - 9/15/2004 3:51:29 AM   
zorka


 

Posts: 132
Joined: 5/31/2003
From: Panama,
Status: offline 		Flight watch, Do you use the pro or regular Zinger 14x5?

(in reply to Flightwatch)
       Post #: 10

RE: Best 3D prop for Saito 82A - 9/16/2004 12:10:05 AM   
daveopam



Posts: 4356
Joined: 10/10/2002
From: ELK CITY, OK, USA
Status: offline 		prophanger, You got me. Have you adjusted your valves? I am using the old muffler but it cant be that much difference. I tested mine on a 85degree day. Our ALT is 2,000ASL. Humidity was about 30%.


david

_____________________________

"Choose your shirt and shoes by the color. Choose your friends by their character." unknown

(in reply to zorka)
       Post #: 11

RE: Best 3D prop for Saito 82A - 9/16/2004 12:21:07 AM   
Dewey2


 

Posts: 1896
Joined: 1/6/2002
From: sparta, TN, USA
Status: offline 		yes everything checked out fine. when new for about 3 tanks it spit black goo out the vent but never sounded weird. I'm 863 feet about sea level about 70 degree when i run it in humidity around 60%. maybe its something in the air my 100 blowed chunks yesterday to I'll try some new fuel. never blowed up a glow engine before

(in reply to daveopam)
       Post #: 12

RE: Best 3D prop for Saito 82A - 9/16/2004 11:56:58 AM   
Flightwatch


 

Posts: 108
Joined: 1/2/2003
From: Trenton, NJ, USA
Status: offline 		Zorka. I use the "standard" 14X5 Zingers, not pro. Have not tried pro on this engine. The APC 14X4 and 15X4 I tried were wide. When propped with APC 15X4W, ran great, pulled great for several flights. then started to run lean. Landed, could not open high-speed needle enuf to get slightly rich or peak run. Smaller prop fixed this immediately. Larger prop may work OK for me in cooler weather.

(in reply to Dewey2)
       Post #: 13

RE: Best 3D prop for Saito 82A - 9/17/2004 6:35:22 AM   
vypr



Posts: 385
Joined: 5/28/2003
From: Woodlands, TX, USA
Status: offline 		use bigger than 14x4... that was a great prop for my .72, but using it on the newer bigger .82 is a little much.

(in reply to Flightwatch)
       Post #: 14

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