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HelicopterMain Discussion › Which engine ??
04-26-2004 11:17 PM  13 years agoPost 1
kicker

rrApprentice

uk wiltshire

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Im due to pick my new Rappy 30 v2 up this week, But im not sure what engine to go for. Had an os32 in my last Rappy 30 v1.
I would like a tt39 but heard a few stories...are these engines any good ??
I would like to try a muscle pipe 2.

So my question is : What engine to suit mp2 ??

Thanks....

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04-26-2004 11:28 PM  13 years agoPost 2
blakka_1

rrElite Veteran

London/Enfield

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tt39 no doubt. just run it rich through the break in stages. then you will be rippin up those guys at your field with os32's

your face =

there face in your smoke trail

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04-27-2004 12:21 AM  13 years agoPost 3
blakka_1

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London/Enfield

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thats hilarious. dont think so some how.

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04-27-2004 12:27 AM  13 years agoPost 4
need FAC

rrApprentice

London,ON,Canada

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I have a TT39 runs hot(20%wildcat),I did ran it very very rich when break in,so I just bought a OS.I know lots guys get TT39 runs great,but mine one not.BTW 3 gallons on my TT39 engine still runs hot,the needle set at 4.5 turns,if I make it more richer,it gonna die.
just my 2cents

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04-27-2004 12:29 AM  13 years agoPost 5
blakka_1

rrElite Veteran

London/Enfield

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use a colder plug ( enya 4 ) which will allow your engine too run richer without cuttin out.

thats wot im doin on my os50!!!

treat yur tt39 2 a enya 4 plug. watch it run like a champ.

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04-27-2004 12:39 AM  13 years agoPost 6
G-DAVE

rrVeteran

Tyne and Wear , England

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WHICH ENGINE

Get an O.S. and it will still be giving you great service when others are in the bin.
Dave

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04-27-2004 12:43 AM  13 years agoPost 7
blakka_1

rrElite Veteran

London/Enfield

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lol u guys r makin me laugh. os 32 is fine,but the tt39 is just as reliable if tuned and setup correctly. will last just as long as os32. i had no faith in the tt39 until guys at my field proved me otherwise. a guy from my field been running a tt39 since they 1st come out. still running strong after only 1 bearing change (damage due to crash)

tt39 is more powerfull and cheaper, and can be just as reliable as a os32 if its not abused (lean runs).

one thing a os takes better than a TT is lean runs.

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04-27-2004 12:52 AM  13 years agoPost 8
G-DAVE

rrVeteran

Tyne and Wear , England

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Hi Blakka _1
Glad to be of service we O.S. users are laughing all the time ...
Regards Dave

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04-27-2004 12:52 AM  13 years agoPost 9
blakka_1

rrElite Veteran

London/Enfield

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i no. its true we are laughing all the way. im laughing with my pucker os50 right now.

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04-27-2004 01:02 AM  13 years agoPost 10
G-DAVE

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Tyne and Wear , England

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I would like to have tried an Irvine 39 but don't hear to many people shouting about them ???? The reason is the OS 32 is not the most powerful around but can't bring myself to to change and give up the reliability they offer.
On the power side have a curtis pipe on mine now and it's measurably better --- but maybe a little noisier.
Dave

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04-27-2004 09:09 AM  13 years agoPost 11
kicker

rrApprentice

uk wiltshire

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Mixed reaction then ??

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04-27-2004 09:40 AM  13 years agoPost 12
G.Man

rrProfessor

Bristol

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Irvine 39 is good, but the Irvine 36H mk2 is better as being ring it is less temperamental to setup than the ABC 39 Engine

It also gives good power and carburettes well

Don't Email me as I wont reply - PM Only (spam countermeasures)

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04-27-2004 02:26 PM  13 years agoPost 13
armageddon

rrVeteran

N. Y.

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Never had a OS32, but my TT39 ran great...
that is until it started cutting on me in mid flight....

Now I fly only 50's (TT50 and OS50)

.

WHAT SIGNATURE?

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04-28-2004 03:32 AM  13 years agoPost 14
crash1953

rrVeteran

Washington State

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I always get a kick out of all the people that compare every engine thay own to OS.. If they were that good OS would be compared to them not the other way around .. I know from all my yrs playing with models that if I want an engine to run all the time no matter what I would buy an OS .. If I got a really good deal on some other brand and I didnt really care how long they would last ,I would go with the other brand ..Also if the engine was to go into something really nice or good I wanted to keep ,It always got an OS engine .In 35 yrs OS engines have never let me down ..I hope they never start ..As far as TT engines they do run pretty good but as usual they dont last long .. I have tried the TT39 and ,yes it is a power house but on the 2 I have tried, both died from bad bearings .. I have also tried the TT 70 and One died from bad bearings and the other broke a crank shaft .. The 70's were exactly the same age when they quit working.. I do have an old TT 25 that is somewhere around 30 yrs old that still flys a plank I own .. but that is the only one ..

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04-28-2004 03:37 PM  13 years agoPost 15
No1Richardo

rrNovice

Coventry, UK

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I have an Irvine 39ABC ... great power, never had any problems with it, and it wasn't too bad to run in (just don't do it _too_ rich) ...

Prepare to defend the Meatshake

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HelicopterMain Discussion › Which engine ??
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