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 .53 for speed??

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Old 11-22-2006, 12:33 AM
  #1  
Julian537
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Default Rossi .53 for speed??

has any one seen one of these rossi motors?
Does anyone know what the specs are on it?

It has a rear drum induction and rear exhaust. This leads me to beleive it is a go fast motor???

BOB27- i think you know the answer to this question!!!

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Old 11-23-2006, 03:20 PM
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Default RE: Rossi .53 for speed??

I think it is for ducted fan motor.
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Old 11-23-2006, 03:25 PM
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Default RE: Rossi .53 for speed??

I saw that pic on ebay--- This is the only Rossi-53 I am aware of
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Old 11-23-2006, 04:06 PM
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Default RE: Rossi .53 for speed??

I see this guy on the Morris Hobbies website, but it has a DF cooling head on it:


Rossi .53 Fan Engine $299.95
rf1
Rossi .53 Fan Engine
Click to enlarge

Rossi .53 Ducted Fan Engine "40 sized..........60 power" The Rossi .53 is in the same sized case as the Rossi .45. At only 510 grams the Rossi .53 offers awesome thrust to weight ratio! Specifications: Capacity: 8.5 cc Horsepower: 2.2HP Max Rpm: 23,000 rpm Weight: 510 grams Beam width: 37.5mm carb to thrust washer: 138mm crank center to top of cyl: 78mm carb center to exhaust port center: 34mm Engine includes carburetor, glow-plug, header/tuned pipe system complete. Turn your 40 sized fan-jet into a fire-breathing monster! Price includes complete exhaust sytem, header and tuned pipe. Order your Rossi .53 today!
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Old 11-23-2006, 04:11 PM
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Default RE: Rossi .53 for speed??

I have one of these coming new in the box. I will post what prop it suggests when I get it.

MJD glad to see what you posted. This should make a plane move pretty good at those RPM's.
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Old 11-26-2006, 03:54 PM
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Default RE: Rossi .53 for speed??

Awesome Julian! This could be the ultimate motor for 40 sized speed machines and deltas. A bit of lathe work can bring the outside head dimensions down to size if needed , but I'd like the extra cooling VS speed. Three bills is not out of line for a great engine & pipe setup. Good used OS ducted fan motors/parts are getting hard too find and pricey. Let us know the Rossi runs!
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Old 11-26-2006, 04:13 PM
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Default RE: Rossi .53 for speed??

so i guess there have been people who spin props with df motors? with no problems
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Old 11-26-2006, 04:47 PM
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Default RE: Rossi .53 for speed??

Yes, but you need a special nut (goes through the prop hub) and washer. Dave Brown sells them I think, I made my own. A carbon fiber prop is a must. I did some more checking. this Rossi in question may be of limited supply or obsolete . Rossi info is real fickle.
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Old 11-27-2006, 10:19 AM
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Default RE: Rossi .53 for speed??

Let me know about this when you get it. Looks like a nice toy - mix between the Fan engine and an FAI version.
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Old 11-27-2006, 03:14 PM
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Default RE: Rossi .53 for speed??

this motor was made some time ago. It is listed as a fan motor in the rossi catalog that came in the box.
Rated to 23,000 RPM. 2.2 HP
It does not have a large head on it. Has a small head, just like the picture I posted.
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Old 11-27-2006, 09:16 PM
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Default RE: Rossi .53 for speed??

I wonder if it's rated hp is with low/no nitro, like a good FAI motor can do. It would be cheaper to run My O.S. fan motors like 40% or better to really get them screaming $$$$[:@]$$$$
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Old 11-01-2008, 02:48 AM
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Default RE: Rossi .53 for speed??

Guys ... I just saw the red headed 53 and she looks great. Going throught the manual it does not tell me much about the engine. Anyone can assist me with what prop and what sort of fuel? What RPM would I expect to see? Thanks!
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Old 11-01-2008, 03:59 AM
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Default RE: Rossi .53 for speed??


ORIGINAL: tIANci

Guys ... I just saw the red headed 53 and she looks great. Going throught the manual it does not tell me much about the engine. Anyone can assist me with what prop and what sort of fuel? What RPM would I expect to see? Thanks!
I run mine with 10x8 APC @ 15,500 RPM and 10% nitro , it runs great also with 9x10 APC with more RPM , you can also use 5% nitro with excellent results .
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Old 11-01-2008, 12:05 PM
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Default RE: Rossi .53 for speed??


ORIGINAL: SpeedBoy


ORIGINAL: tIANci

Guys ... I just saw the red headed 53 and she looks great. Going throught the manual it does not tell me much about the engine. Anyone can assist me with what prop and what sort of fuel? What RPM would I expect to see? Thanks!
I run mine with 10x8 APC @ 15,500 RPM and 10% nitro , it runs great also with 9x10 APC with more RPM , you can also use 5% nitro with excellent results .
Thanks for the info man ... I saw the Rossi 53 today and was tempted to go with it but my experience with the 45 was ok and I realise the 45 was a little fussy and the mid range can be a little better than what it is but still she is a lovely engine. I like the look of the red head and the chrome pipe. Guess its better than getting the Jett BSE 50, that would cost me about 50% more than the Rossi. I will only use it in a sport plane so 15,500 on a 10x8 is more than enough!
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Old 11-01-2008, 01:26 PM
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Default RE: Rossi .53 for speed??


ORIGINAL: tIANci

Thanks for the info man ... I saw the Rossi 53 today and was tempted to go with it but my experience with the 45 was ok and I realise the 45 was a little fussy and the mid range can be a little better than what it is but still she is a lovely engine. I like the look of the red head and the chrome pipe. Guess its better than getting the Jett BSE 50, that would cost me about 50% more than the Rossi. I will only use it in a sport plane so 15,500 on a 10x8 is more than enough!
You are welcome buddy , just one thing that I forgot to tell you I'm using a mac tuned pipe (7.5 cc) on mine , not a UT muffler or Rossi pipe muffler so the RPM might be different with other exhaust system . Enjoy bro .
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Old 11-01-2008, 01:54 PM
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Default RE: Rossi .53 for speed??

Speedboy ... MACs pipe ... hmmmm ... maybe that is why you are getting that sort of RPM on a 10x8 ... time to start using the credit card I guess. Which pipe are you using?

What plane you using her on? I will be getting it on a GP Super Sporster, I am 100% EP now but my pals kinda give me a certain look when I race my sports EP planes against them. I mean its fast and I have unlimited verticals but when I beat them its like no biggie as I am EP. The I also do not have the duration they have for a nice session of pylon racing. I can't get more than 5-6 mins on a big pack. I know with GP I can easily keep it around 8 mins and the guys will think its a 'fair' race.
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Old 11-01-2008, 04:21 PM
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Default RE: Rossi .53 for speed??

What kind of pylon racing are you doing? Our slowest race is over in three minute tops.
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Old 11-01-2008, 08:57 PM
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Default RE: Rossi .53 for speed??


ORIGINAL: tIANci

Speedboy ... MACs pipe ... hmmmm ... maybe that is why you are getting that sort of RPM on a 10x8 ... time to start using the credit card I guess. Which pipe are you using?

What plane you using her on? I will be getting it on a GP Super Sporster
Hehe .... yeaa I think the pipe is the culprit of that RPM .

I'm using the quiet tuned pipe 7.5 cc on a Great Planes Patriot .40 (pics below ) .

A Super Sporster huh , ARF or kit ??? if it is ARF I would consider reinforce it , the Rossi 53 could damage some of its parts once in the air hehe just kidding .

Well , time to use a credit card and have a lot of fun . Enjoy !!!



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Old 11-01-2008, 11:09 PM
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Default RE: Rossi .53 for speed??

Can't beat a tweeked rossi,

I turn a 8.8x8.75 at 19200 rpm on the ground, my viper is good for 150+ mph.

You got to lift the exhaust timing - open the exhaust all the way- then stick a Jett pylon/racing short pipe with adapter, you may want to consider smoothing the exhaust transition in the adapter as I did on mine.

Next thing is get a 45 head and swap out the 53 , the 45 head has higher compresion, ( I have many rossi parts to mix and match )

Now get a carby off Jett with the largest ventury possible , I think mine was a 12 mm from memory, this will let the air in and still give you a good idle.

Plug is a siggp002 tuned pipe , sigg products and they are $6 bucks or so,

Fuel is 5% coolpower,

All this will wake your rossi up , I've been playing with these things for years and are a powerhouse engine if worked over.

My viper is for fun only , gave up racing due to the politics - that takes all the fun out of things.

Have fun .



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Old 11-02-2008, 12:57 AM
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Default RE: Rossi .53 for speed??

still - its more like a sport plane race, guys at the field having some fun with 40 sized low wing planes. Each race is one tankful, so that makes it to like 8 mins. We just go round and round imaginary pylons and cut corners when you are losing out! Its just for fun.

speedboy - the Patriot is nice, very nice, I hear that its a fast plane too. My Super Sporster is the ARF version, no worries about the stress, I been through enough ARFs to know how hard not to push them, will probably glass the wing a bit. I know which pipe now. Bet it would look great on the Super Sportster ... Nice and shiny ... guess will be picking up the Rossi 53 next week.

scoeroo - you really put in a lot of work and the performance shows, may I just send mine to you? Hahahahaaa ... 150 mph Viper, it sure rockzzzzz!!!
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Old 11-04-2008, 12:40 AM
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Default RE: Rossi .53 for speed??

tIANci

Sure , If you would like me to tweak out your rossi let me know,

All it takes is a few hours for me to get one to pull hard ,

Exhaust timeing is every thing to a rossi .

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Old 11-04-2008, 01:23 AM
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Default RE: Rossi .53 for speed??


ORIGINAL: scoeroo

tIANci

Sure , If you would like me to tweak out your rossi let me know,

All it takes is a few hours for me to get one to pull hard ,

Exhaust timeing is every thing to a rossi .

Hi scoeroo ,

Just wonder if you have any info , pics , procedure etc how you retiming the engine , that will be great to me .
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Old 11-04-2008, 02:28 AM
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Default RE: Rossi .53 for speed??

I think you guys here are nuts ... 17,000 RPM will not satisfy your hunger for speed! Hahahaahahaha ...

scoeroo - thanks for the offer ... you da man!
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Old 11-05-2008, 12:18 AM
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Default RE: Rossi .53 for speed??

Speedboy,

I should be back home some time around thanks giving ( currently out on a project ) if you can hangout till then I will give you the low down with pics when I tweak another rossi that I've recently purchased.
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Old 11-05-2008, 12:19 AM
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Default RE: Rossi .53 for speed??

Any aditional RPM is always welcome,

Go baby Go !!!!!!!!!
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