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HelicopterHIROBOOther › New Evo / build question/ upgrades
05-01-2004 07:31 PM  13 years agoPost 1
balsapro

rrVeteran

Gallatin,TN

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I just recived my new evo on friday, and let me tell ya it builds great. Altough some of the directions could be a little more clear for the most part there better than most helis. One of the areas that i need some help with is with the engine assembly. I am installing it an os 50 and when i mounted the flywheel here was not enough of the crank to tighten the engines drive nut. the flywheel is thredded however and tightens up nicely but is this enouth?

Another thing on heliproz web site the mention a larger fuel tank for the os 50 and a fan shroud to help with cooling. I also plan on changeing the landing gear out with the frea to make things look a little more porpotional. whats everyones take on these changes, good, bad, undecided, are ther any other upgrades/changes to give this heli an edge

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05-01-2004 07:57 PM  13 years agoPost 2
fitenfyr

rrProfessor

Port Orchard, Washington

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On the engine. You did remove the prop washer correct?
My OS50 threads up just fine.
Did you get an OS50 with the crank cut for a Raptor? In that case it will be too short.

As for the larger fuel tank and cooling shroud.
1. You got a bigger tank in your EVO kit. Unless you are upgrading from an original.
2. The Cooling shroud is not necessary IMO, but if you want one they are cheap and will not harm anything.

Jason Stiffey
Fly Fast....Live Slow...

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05-01-2004 08:57 PM  13 years agoPost 3
balsapro

rrVeteran

Gallatin,TN

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yeh the Manuel clearly shows the drive nut! If A mistake like that can happen then ( strike lightning ) It happened to me. the engine shaft ends flush with the hub. I will call and see if I can exchange the my engine

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05-02-2004 06:32 PM  13 years agoPost 4
traderdave2

rrVeteran

Covington, GA

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This may sound stupid, but did you remove the prop addaptor?
This is the bright aluminum piece that is used with props. It has a key way cut into it.
You won't have enough threads if you leave it on.

Harlan

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05-02-2004 09:36 PM  13 years agoPost 5
dkshema

rrMaster

Cedar Rapids, IA

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You MUST remove the knurled aluminum propellor drive hub from the engine, and the woodruff key that goes with it. Install the black steel washer in its place (comes with the OS 50), the fan hub threads on, then a steel thrust washer, followed by the prop nut. Plenty of threads for this assembly to go on.

Dave

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05-03-2004 01:59 AM  13 years agoPost 6
balsapro

rrVeteran

Gallatin,TN

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yeh I got the problem fixed, just seemed weard to remove the prop drive and key form teh engin but i got it right now
Thanks everyone for your help

on another topic what other upgrades shoud i do to make this heli a bit more arobatic.

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05-03-2004 02:40 AM  13 years agoPost 7
StressTest

rrApprentice

Oregon

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You definately don't need a larger tank on the EVO 50, it's plenty big already.

I've not had a problem with my over heating so I think going with additional shrouding is unecessary but I guess it just depends on how lean your running it and also the climate you may be in. Extra cooling on the other hand doens't hurt so down the road it would be a good addition but not something necessary right off the bat.

Some good glass or carbon blades are a good upgrade, along with MAH carbon tail blades this thing fly's really nice.

I just recently purchased some Mr. Carbon boom supports and tail pushrod as the stock boom supports when assembled are being loaded because of the angles and the Mr. Carbon have angled ends which will eliminate some of this preloading. I also wanted to get away from the tail servo wire connection and give mine some tighter response and went ahead and got the Mr. Carbon. Is any of this really necessary? I honestly don't think so but these were the upgrades I've done thus far.

Have fun with that new bird, it's definately a good one!

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05-04-2004 03:46 AM  13 years agoPost 8
marc8090

rrElite Veteran

Long Island, N.Y.

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The EX washout and guide blocks are good upgrades. The plastic washout base strips easily, and the guide block holds much better than the plastic one. That's about it. It flies great stock.

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HelicopterHIROBOOther › New Evo / build question/ upgrades
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