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

Rossi & Patriot.

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Old 08-23-2004, 09:29 PM
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freebird1
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Default Rossi & Patriot.

HI all

I have a Patriot 40 ARf. I think that this ARF is kinda rare. I put a new Rossi 45 on her with a 10x7 master air. She has pleanty of RPM, but the speed just is not there. She runs about 70 MPH. Which way should I got with prop choise? I was thinking of a 11x6. Help!

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Old 08-23-2004, 10:48 PM
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Default RE: Rossi & Patriot.

Yes, they are rare... I have one now and will use a Jett-50 for power..

You need to go in the other direction for speed- try a 9x8 or 9x9 apc

What rpm's are you getting now?
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Old 08-24-2004, 02:02 AM
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Default RE: Rossi & Patriot.

With the MAS....9-7 with the long pipe, 9-8 on the shorty.

FBD.
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Old 08-24-2004, 10:03 AM
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Default RE: Rossi & Patriot.

yep........as noted ........... you have too much prop on there.

let that engine scream Bolt an APC 9x7 or 9x8 on it. The rossi will want to run over 16K rpm if at all possible.

You had not noted, but I assume you have retracts installed?? or fixed gear?
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Old 08-25-2004, 09:52 PM
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Default RE: Rossi & Patriot.

Thanks

I have retracts, but my new tac is in the mail. The ARF was already put together by a friend that has been in the hobby for years(20+). I was talcking to him, and asked if he would help me with the new XL Patriot I was building(JETT 90L FOR ENGINE). He showed me this ARF that has a yellow tint because of age in his attic. Never in the air. We made a trade, and to say the least I wanted it bad. She will dead stick. Stopped her in mid air because I ran out of fuel. Lost speed quick on the turn approach, but no sign of a stall. I put wing whistles on her for sound. I will check out the local hobby for the props mentions. I can not wait to here and see her fly with a new prop. What range should the heat range be for the Rossi?

Thanks a million
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Old 08-28-2004, 07:41 PM
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Default RE: Rossi & Patriot.

Thanks


THe APC 9x8 added aleast 15 MPH. she is topping 100 MPH. Truning around 15k to 16k. A little more breaking in and leaning she will scream

Thanks again
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Old 08-30-2004, 02:10 AM
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Default RE: Rossi & Patriot.

Keep leaning...

My OS-50SX turns a 9x8 apc 15.7K on 15%, OS-8 Tower muffler
My Webra-50GT turns a 9x8 apc 16.4K on 5%, cheap plug, stock muffler
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Old 08-30-2004, 09:46 PM
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Default RE: Rossi & Patriot.

I am going to have to lean her or buy a gas station. I have a 12 OZ tank and getting about 8 Min of fly time at about half stick. I have had 2 dead sticks this week and to say the least, not much fun with a plane you love coming down with no power. A few more clicks leaner is in order. Im am running about 225 heat after a full stick on the bench for about 30 Sec. She is loading up on takie but clears up with a couple of trips up and down the strip, but the heat has me concerned. what do you think is she to hot or lean on?


Thanks
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Old 08-30-2004, 10:30 PM
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Default RE: Rossi & Patriot.

I had a Patriot ARF with a Rossi 40 running a 9/6 apc at 16600 plane was a great flier but very thirsty .I lost the patriot on dead stick over runway that lead to overshooting and hitting a boulder.Rossi engines make power at high rpm i would try an apc 9/7 and let her rip.
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Old 08-30-2004, 11:43 PM
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Default RE: Rossi & Patriot.

Sounds like you need to lean out the high AND low end needles... It should transition very quickly and smoothly (Before anyone says anything about the Rossi's transition-) if you are having a problem getting the Rossi-45 to transition well, it is the OPERATOR not the engine... seriously though, some folks complain about the Rossi being finicky and gargling trans. (again not true-)

You should not need to go smaller than a 9x8, and you should not get below 16-16.5K on 5% SHould be a great and fast combo!

Keep us posted-
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Old 08-31-2004, 09:13 PM
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Default RE: Rossi & Patriot.

Thanks for the info

I am running 15%. She runs fine on the bench. well let me re-state this, she runs fine at an idle or at full. In the middle she seems to load up. This is what is given me trouble. I can not fine set her on top or bottom. On taxi she loads up and after landing. This is my first Rossi and will not be my last, as a matter of fact I have a new 53 with a long pipe for a phantom II. I just wish I could stop her loading up; makes me nervous. I will lean her a few more clicks on top. and see what happens. I have tried a few glow plug in her and the OS A3 seems to be the best so far. The stock plug went bye bye after a few tanks.
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Old 08-31-2004, 09:36 PM
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Default RE: Rossi & Patriot.

I hate to hear about your plane rcalbuquerque. We have the same problem at my field. There is no reason why a pilot sould lose a plane at the end of a run way because of a dead stick. After our president lost a plane, so there is a net at our (rocks) while the project to remove the rocks is done. Sorry again.

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Old 09-01-2004, 11:22 PM
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Default RE: Rossi & Patriot.

i would tend to stay away from the 15% fuel i have a .53 and i run 0%-5% in the summer and about 5 in the winter. The rossi .45 is a fairly high compression engine (therefore low nitro) Now the head temp isnt to bad espically with that high of nitro. if you drop down to 5% you will loose alot of that unwanted heat in the head. ive herd that some engines run up as high as 250 degrees! thats way to hot for me. just be patient with it, you will find what it likes.
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Old 09-05-2004, 05:15 PM
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Default RE: Rossi & Patriot.

what do these things look like?
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Old 09-06-2004, 01:33 AM
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Default RE: Rossi & Patriot.

These are both ARF's and kit built-
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Old 09-27-2004, 07:46 PM
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Default RE: Rossi & Patriot.

Hi

I have gotten the Rossi 45 screaming. She still loves the fuel, but that is OK. I love this ARF. I know that It is out of production, but can anyone point me in the right direction to find one? Also will the Kit version of the Patriot 40 perform as well as the ARF.

Thanks
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Old 09-28-2004, 08:51 AM
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Default RE: Rossi & Patriot.

Freebird,

Glad to hear you have the patriot flying well. Enjoy!

From what I have seen, the kit will (can ?) outperform the ARF version a bit. Depends on how it is built, weight, and what is pulling it. Two of these variables don't really exist with the ARF.
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