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Morris SuDoKhoi

Old 05-15-2002, 03:22 AM
  #1  
DoubleD
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Default Morris SuDoKhoi

I recently built a Morris #60 size SudoKhoi...weighs 7# straight up. I talked to Morris about engines and was told that a Rossi 61 would hover it without a problem.

With this info in mind I mounted an Irvine 72 in the rails. After break in it's turning 12K with 13x6 APC. It is still short on vertical & break away power.

Who out there in RCU has one and what engine/prop combo are you using?

So far I like the capabilities of the plane but if the vertical was better I would like it even more.

DoubleD

Note: When your up to your rear in alligators, don't forget that your main objective was to drain the swamp! :spinnyeye
Old 05-15-2002, 03:34 AM
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krayzc-RCU
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Default Morris SuDoKhoi

i have the fun fly morris with a 0s-91 with a 14 x 6 on her plenty of motor for all hovering and out of sight verticle......
Old 05-15-2002, 03:48 AM
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DoubleD
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Default Morris SuDoKhoi

I really considered an Os-91 before mounting the Irvine. You have confirmed my suspicions. I hate under powered hobbies.

Oh well, there's still plenty of room for more holes in the engine rails.

Thx,
DoubleD
Old 05-15-2002, 12:12 PM
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wgeffon
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Default Morris SuDoKhoi

Mine has a Saito 1.20 in it. Ridiculous on power but a lot of fun if you like hovering at less than 1/3 throttle.
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Old 05-15-2002, 02:30 PM
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George E.
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Default Morris SuDoKhoi

There is a good chance the 13x6 is too much prop. 12K sounds low for making max power. Try a 13x4 and if that doesn't get the rpms up you may have to use a more efficient muffler. I am not familiar with the Irvines but a strong 72 two stroke should have decent vertical on a 7 lb plane.
Old 05-15-2002, 07:30 PM
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Default Morris SuDoKhoi

Gator has a Saito 90 in his Ultra Stick... about the same weight.. I bet that would be the ticket.... or I'll trade you for my 40 size sudokhoi....
Old 05-15-2002, 08:02 PM
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DoubleD
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Default Morris SuDoKhoi

No thanks Paul, maybe later!

I thought we were buddies!

Would you like to buy a Pizzaz?

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Old 05-15-2002, 08:28 PM
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Billy Hell
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Default Morris SuDoKhoi

Did you get your pizazz yet?
Old 05-15-2002, 09:09 PM
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Default Morris SuDoKhoi

I have a YS91AC on mine turning a heavily (or should I say lightened) Zinger16x6. It hovers well, I don't know at what throttle setting, I guess I'm just not as good as wgeffon to look down at my tx while hovering to check throttle position he he. It doesn't jump out of a hover, but that's mostly the prop, it will accelerate vertically as the engine unloads.
DKjens
Old 05-16-2002, 01:36 AM
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DoubleD
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Default Morris SuDoKhoi

Well lets see......Saito 90, YS, Saito 1.20, Os91.

Guess I better find a 13x4 first. If that doesn't work

the Saito 1.20 sounds :thumbup: . Had not considered anything

that size while building. But hey maybe I could sell the Irvine 72,

the SuperTiger 75 I first used and throw in a little boot and have

some real fun. Besides I will surely have a bigger bird someday.

Thanks for the info everyone...

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Don't forget...when you're up to your rear in alligators, your main objective was to drain the swamp!
Old 05-16-2002, 11:53 AM
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Default Morris SuDoKhoi

We are friends..... But what are friends for?? I thought I could take that unwanted plane off your hands and set you up with something you'll really like....

just joking!! Anyway, I'd still like to see that thing fly..... I've been wanting to build one for a while.

I'll hook up wiht you Friday to get that Pizzaz...
Old 05-16-2002, 01:41 PM
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RSchrock
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Default Morris SuDoKhoi

Hmmm, that Irvine should be more impressive than it is. I think your wise to try that 4 pitch prop. I have a Saito .91 in a 7 lb Ultra Stick and it is well overpowered. Hanger 9 suggests the 1.00 for that plane, which borders rediculously overpowered. But hey, sometimes rediculous can be fun.

The Saito 1.00 is a sweet engine - you should consider it. The OS .90 would also be an excellent choice.
Old 05-17-2002, 01:14 PM
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Default Morris SuDoKhoi

Hi, do you fly with Gator? I fly several of the 40 sizes Sudokhoi, and run ST.45. some have Jerry Smith pipes on them and I'm turning an 11x4 apc around 15,000 rpm. Most of mine weigh in the 4.5 lbs range.
To me you need to run an flater pitch prop, also one of the power pipes. Gator has seen theses and he can tell you an little about them.
Old 05-17-2002, 01:41 PM
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Razor_Sharp
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Default Sudo 60

I have an OS 91 FS w/pump. Would this be a good choice for a Sudo 60?

Also, Is it all one piece or do the wings come off?

Thanks,
Gregg
Old 05-17-2002, 01:59 PM
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Default Morris SuDoKhoi

PropNut - I fly with Gator..... As a matter of fact... I built my SuDoKhoi using a set of ribs he gave me.... I think you might be the one that cut them out for Gator... Worked great!!!!
Old 05-17-2002, 03:03 PM
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DoubleD
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Default Morris SuDoKhoi

I have an OS 91 FS w/pump. Would this be a good choice for a Sudo 60?

Also, Is it all one piece or do the wings come off?

The wings are removable.
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