Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

YS 1.40 DZ in a .60 size P-51?

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Old 08-09-2007, 03:56 PM
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A 4 liter V8 eater
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Default YS 1.40 DZ in a .60 size P-51?

I was wondering if anyone has put a YS dingo in a .60 size (~65" wingspan) mustang? How did it fly? Any guess on top speed? (I'll have a 15.5x12 four blader) I have a YS 1.40 DZ arriving today and I plan on swapping out the current 1.10 fz. The plane is already stupid fast with the 1.10. There are two reasons why I'm doing this which are, A. to have a more scale prop size & B. to chase down some of the jets at my club. It is more involved than it sounds though (but not hard, its just that it isn't a bolt in like going from a os .60 to a ys 1.10):

1. reinforce firewall
2. increase fuel capacity
3. install soft mount
4. rebalance (will likely require ALOT of tail weight)

Becuase of the added weight I will also have to beef up the cheesey gear which means at the very least:

5. stronger control rods
6. metal gear

God, I would love to get some input or see a video of a similar setup before I start, even if it's not on a 'stang but another .60 warbird.
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Old 08-09-2007, 11:02 PM
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Default RE: YS 1.40 DZ in a .60 size P-51?

4 V8:

You need to get into the warbirds "Unlimited" group for any very good information in making the 4 banger YS scoot. You'r gonna spend all that money and effort to find out you will still be several ticks behind those "Jetts". The real fast guys are running hot cams and modified engines, 40% fuel and tear down after the weekend out of necessity. Honestly not that bad, but they are high maintenance compaired to the Jett 2S that seem to run foreaver. To beat the Jetts, simply get a better, and or bigger Jett!!! ENJOY
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Old 08-10-2007, 12:05 AM
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Default RE: YS 1.40 DZ in a .60 size P-51?

Wow seems interesting...I thought I was bad when my brother and I put a YS-120AC in a TF P-51 (60 sized) it was fast but flew like a pair of pliers [X(]

keep us posted-
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Old 08-10-2007, 11:04 AM
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Default RE: YS 1.40 DZ in a .60 size P-51?

I can't find the warbirds unlimited group. Could you post a link?

thanks,
- John
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Old 08-10-2007, 12:38 PM
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Default RE: YS 1.40 DZ in a .60 size P-51?

Gotta go shopping with the wife, "now Honey". Go find the Sacramento clubs web site and search in there. Also Pylon threads. Sorry, dont have any more time, away woman.
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Old 08-10-2007, 03:34 PM
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Default RE: YS 1.40 DZ in a .60 size P-51?

If anything like this was cheap or easy everyone would be 200mph+.... I built two Midwest .60 Mustangs with ASP 1.08 2 strokes 15 years ago, man were they fun...

Had a OS 1.20 fourstoke in a .60 size Ultrasport, one of the fastest and smoothest planes I've owned.
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Old 08-17-2007, 12:59 AM
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Default RE: YS 1.40 DZ in a .60 size P-51?

Hello Eater
Do you use the Hyde soft mount.
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