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HelicopterThunder TigerOther › Tt-39 Must Be Junk - Blowed Tw Ice.
03-16-2003 11:05 PM  14 years agoPost 21
PAUL-HILLMAN

rrApprentice

palatka -florida

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i'll let you guys know if ace replaces the engine . monday . paul

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03-17-2003 04:10 AM  14 years agoPost 22
yah1003_us

rrApprentice

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Alternative engines to consider.....

>> Alternative engines to consider are the Irvine 36H ring or 39H ABC or the Webra 35 Competition


These might be good engines, but they are really unpopular and from what I heard, difficut to tune.

The bottom line is, OS provides the easiest and most stable engine but lacks of options and some of the engines are not so great (like OS50 & OS91). TT provides more options and their engines are good in many cases.

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03-17-2003 08:45 AM  14 years agoPost 23
G.Man

rrProfessor

Bristol

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Irvines are a doddle to tune...

Unpopular may be true as made in the UK....

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

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03-17-2003 01:35 PM  14 years agoPost 24
Waldo

rrVeteran

Middle of the corn​patch (Iowa)

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Paul, Ace's policy is to repair only, no replacements. I know from experience my TT39 also threw a rod, they fixed it and other then not getting the head bolts tight enough they did a good job it runs great now.

[b]Bill[/b]

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03-17-2003 04:11 PM  14 years agoPost 25
PAUL-HILLMAN

rrApprentice

palatka -florida

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just got off phone with ace said they would replace the whole engine. but i payed for shipping.paul at lease ace stands behind threre mortors.paul

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03-17-2003 04:23 PM  14 years agoPost 26
sodflyer

rrVeteran

Frederick Colorado

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TT-39's

I have almost 5 gallons through one and about 5-6 tanks through the other with no problems I am also at 4 turns out on the main , any less and the fuel starts foaming but still have plenty of power at that setting using Magnum 30%. You might try that for breaking in you're new one engine. Jeff.

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03-17-2003 04:30 PM  14 years agoPost 27
2LTime

rrKey Veteran

Walworth,NY

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It sounds like your engine is getting extremely hot. This sounds abnormal to me. When I'm done flying I can put my hand on the engine for at least a couple seconds. It sounds like yours is overheating, this may be causing the rod to break. There are many things that could cause overheating. How is the heli setup as far as pitch, etc. I also had a plank engine get near red hot once, it turned out to be the connecting rod installed wrong! Their is a front and back as it goes on the crankpin. I would pay attention with your new engine, if it starts getting real hot like the other the problem may be in your setup. A good way to tell is get a dropper with water in it and put a drop on the head of the engine, it should boil in a couple seconds. if it instantly boils it's too hot.

Jeff

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03-17-2003 04:37 PM  14 years agoPost 28
drdot

rrElite Veteran

So. California,​Orange County.

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My 2 cents....

Been an OS fan for many years, but in helis I am leaning toward the TT engines. While the 36 was problematic, the 50 has worked exceptionally well for me. While I recently replaced my original TT 50, the reasons had nothing to do with design or manufacture. I tested the limits of the product, and can say that the engines are easy to tune, have serious horsepower, but MUST be run rich..... If the engine is more than slightly warm on the crankcase after flying, richen it up.
Another overlooked issue is the fan installation. The fan must stay tight. If the crank can move fore and aft in the bearings, it will load the con rod incorrectly,and cause failure. TT makes an excellent product, but like any engine, they will fail if abused.
I feel that the .39 will be as good as the .50, only smaller.

John.

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03-17-2003 05:28 PM  14 years agoPost 29
PAUL-HILLMAN

rrApprentice

palatka -florida

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jeff i will use your i droper drop to see if it over heats. 6+pitch .paul thanks to all.

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03-17-2003 06:01 PM  14 years agoPost 30
Michigan PI

rrApprentice

St Clair Shores, MI

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Paul,
Replace your fuel.
Fuel has a tendancy to attract water. When water gets in fuel, it has a tendancy to break your con rod.

The cooling system on the Raptor is just fine. If it would make you feel better, you can extend the shroud by glueing a piece of plastic in but it really doesn't make a difference with the engine temp.

Buy a new gallon of fuel and keep it sealed air-tight whenever you aren't fueling. The humidity in Fla can kill un-sealed fuel in no time.

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03-17-2003 06:08 PM  14 years agoPost 31
PAUL-HILLMAN

rrApprentice

palatka -florida

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the fuel is new cool power with filter+ filter on motor-15-=%paul.

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03-17-2003 08:00 PM  14 years agoPost 32
proptwister

rrApprentice

SW Missouri

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Please keep us informed Paul.

Sorry to hear of you bad luck but I have the .36 in my V1 and the .39 in myV2 and have exceptional service from both. I believe DrDot(John) is correct in that the TT engines must be kept on the rich side. The needles, expecially on the .39, are sensitive and don't do well with "heavy handers" if you know what I mean.

Good luck!

Sincerely,
Matt

Evo 90 OS C-Spec 91 w/OMI Mod
Evo 50 OS Hyper 50
JR 9303
Wildcat Fuel

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03-17-2003 11:01 PM  14 years agoPost 33
G.Man

rrProfessor

Bristol

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To get the best from them you need to either run the idle needle quite rich to get the mix right in the hover, or mod the needle to improve the taper and get a nice mix at idle and then in the hover as well...

Same with the TT50

The needles are just too darn straight....

Russ Deakin modded my needles for me, done a darn good job as well...

My TT50 is smoooth at all settings, but still hot to the touch on the case after a sustained hover...

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

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03-18-2003 01:58 AM  14 years agoPost 34
PAUL-HILLMAN

rrApprentice

palatka -florida

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do you mean sharpen the point of main needel valve?paul

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03-18-2003 05:29 PM  14 years agoPost 35
mikef

rrNovice

Mayville, Michigan

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My TT39 runs great. I have 3 gallons through it so far. Needle is at 3 1/2 turns. The idle needle is extremely sensitive but I have heard this is common. I am still learning to fly but when I give full collective, the heli climbs like a rocket.

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03-18-2003 09:54 PM  14 years agoPost 36
PAUL-HILLMAN

rrApprentice

palatka -florida

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well ace must be mad about me on run rider cause they said he dont like no talking about there tt39. and dont wont no one eles to see all this talk . free speach sport. thats what i say. telling me i'm the onley one with a problem with tt-39 . oplease i've seen 10 pepole who rodes went to. iff you should run the tt39 more then 3 turns out. then they NEED TO PUT IT IN THE BOOK! i still say i did noting wrong . and say that engine is NOGOOD! not all but that one YES. i babyed that tt39. that GUY AT ACE IS FULL OF ----------------- PAUL guy at ace needs to make good on engine not get upset whats on runrider. 3 year warrant book says. no damage by me.

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03-18-2003 11:19 PM  14 years agoPost 37
PAUL-HILLMAN

rrApprentice

palatka -florida

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so are you.as they should.paul

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03-18-2003 11:51 PM  14 years agoPost 38
PAUL-HILLMAN

rrApprentice

palatka -florida

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all i wanted to know was if any one eles had problems with there tt39 not to put down ace. but do expect ace to replace that engine. ace should not care what any one say . there product and service will speak for it self. not what they see on runryder.paul

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03-19-2003 08:14 PM  14 years agoPost 39
PAUL-HILLMAN

rrApprentice

palatka -florida

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will let any and all know how ace handels this .paul

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03-20-2003 01:33 AM  14 years agoPost 40
PAUL-HILLMAN

rrApprentice

palatka -florida

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ace just called not the guy who i talked to last time who was rude. but ashley supper nice guy. any way after a long talk. they looked at it and still did not know why the rod broke. just that the piston was black on top like it had vapor locked. but it never did. both times it was spooling down win it broke. ashley did say the tt39 did not look abused. here,s what ashley said and if you have a new one do it to be safe. let it run at idle on 2 tanks of fuel. before trying to fly . so im getting back the same tt39 and try a 1 more time i would had like a differnt tt39 . but not to be. all i want is a good tt39 so i can go fly. so win i get it back and in. will take it to a man who does k now helicopter,s who teaches people to fly. first class all the way. then we no its set right. and will see. like to thank ashley at ace for being patience with this. and to any of you for your good in put. not bad but good input.paul

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