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Thunder Tiger
Raptor E325 › E325 Stock or Modify
01-23-2010 03:39 PM  8 years agoPost 1
jonesjj

rrApprentice

Northern IL

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Greetings All,
Was thinking of getting the E325 been looking at that or the Rex 450 and have decided to move toward the E325 but have a few questions for you guys that are more familiar with it as I am not at all

I have all the servos, a GY40l gyro with servo and Esc already, what I am wondering is should I get it with the stock motor or go with something like a scorpion or JGF ? I an not a 3D flyer but do like to do hovering Sport flying loops rolls flips stuff like that but certainly not a 3D flyer.

Would there be any up grades to get that are ( Functional ) rather than just bling? I dont mind plastic if it works but if not and there is a functional metal up grade I will go for that.

Thanks in advance for any input here with this guys.

Rgds

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01-23-2010 03:51 PM  8 years agoPost 2
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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The stock heli isn't bad but there are a few upgrades worth doing:
- the stock motor bearings tend to wear out after a short while and run hot, I dumped mine and went with the JGF500TH motor (which I have for sale...). Alternatively the Scorpion 2221 motors are also very good (have one on my Furion)
- the top mixing arms can give rise to tracking issues, the solution is either to ensure the bearings are well seated using cyano to glue them in, or upgrade to the metal arms. I upgraded these arms, headblock and blade holders, but I think the mixing arms - which are pretty delicate - are all thats really needed.
- the GY401 is a decent enough gyro but I found to be limiting as my skills progressed - it just won't hold the tail like the top gyros of today will. I would say unless you're going backward or invested, it'll do. Be sure to invest in a good tail servo, think I used a 9257 on mine.

As you might have gathered, I no longer have my MT, the Furion is a far superior heli IMHO but it costs substantially more.

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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01-23-2010 11:52 PM  8 years agoPost 3
jonesjj

rrApprentice

Northern IL

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Thanks for the feedback on this being out of things for awhile what would be one of the top gyros to go with for this size heli these days other than the GY401?

Thanks

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01-24-2010 06:44 AM  8 years agoPost 4
RAPTOR 4D

rrVeteran

GRANGER,IN,-USA

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The new Fut 520! It holds alot better and is way smaller and lighter.

Raptor 50 Titan SE

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01-24-2010 02:21 PM  8 years agoPost 5
dizzymarkus

rrVeteran

Oswego, NY

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Be sure to invest in a good tail servo, think I used a 9257 on mine.
the 9254 is leaps ahead of the 9257 :0) -- just thought I would throw that in there lol

.02 faster and almost twice the torque :0)

the 520 and the inertia 860 or nano are superb middle cost gyros

Markus

I reject your reality and substitute my own :0)

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01-24-2010 07:58 PM  8 years agoPost 6
fenderstrat

rrProfessor

Aston,Pa

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the 9254 is leaps ahead of the 9257 :0) -- just thought I would throw that in there lol

.02 faster and almost twice the torque :0)
yeah and much bigger and almost twice the weight(.9 vs 1.7),LOL,its a full size servo.and as such will most likely give you balance problems as well as looking kind of HUGE back there.9257 is perfect for this heli

but the Doctor hit the nail on the head,the only upgrade needed out of the box is the metal upper mixing arms.other than that,pick your power system and go enjoy.

oh both my MT's 1 non se one is an SE,have the stock set ups and I have had great performance from both

Compass helis Support Team
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Mini Titan/SE
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01-24-2010 10:23 PM  8 years agoPost 7
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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Good ugrades to the GY401 include the Spartan ds760 or quark (my favorites), GY520 or miniG. I would suggest you use to GY401 first and see what its like. Then if you want to upgrade see what others are using at your field so there's help at hand should you need it.

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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01-24-2010 11:34 PM  8 years agoPost 8
jonesjj

rrApprentice

Northern IL

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Lots of great suggestions here on this, I dont do any backwards flight, or inverted just sport stuff.

I may want to put one of the fuses on it later like the cobra or the A109K2 Agusta and do some scale type flying if the 401 gyro would be good enough for that with out to much of a weight penalty.

The TR servos I have now are the Fut S9257 and the JR DS3500G these are smaller than the full size ones.

For power I have 2 Scorpions the 2221-8 with 12tooth pinion's and couple of CC Phenix 45 for esc, which should be ok, do you think I should try different size pinions larger or smaller ?

What suggestions are there for a 3S lipo for this maybe in the 2200mA range?

Thanks a bunch for help with this.

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01-25-2010 03:36 AM  8 years agoPost 9
toolman18

rrElite Veteran

Portland Tx

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I have the scorpion 2221-8 motor and it is fantastic. You will love it.

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01-25-2010 03:38 AM  8 years agoPost 10
HeliMan Dave

rrVeteran

Suburban Chicago

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That motor/esc and TR servo sound good. For packs I'd suggest Hyperion G3 CX or VX 3s packs. I've had good luck with some 6s 5000mAh packs and most of my other name brand (including non-name brand, like zippy's) have become "soft".

Good luck with the MT. I am now on my 2nd one.

Logo 700 / 600 / 500 V-Bar NEO / Blade 180CFX / mCPX BL / Nano / V-Control

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01-25-2010 03:52 AM  8 years agoPost 11
2Dogs

rrNovice

Shreveport LA

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Metal Seesaw
I've had no tracking issues since swapping out the plastic flybar see-saw hub with the upgrade metal one. Just after doing this, however, I discovered CNCHelicopter.com, who do a whole CNC flybar assembly for about $20 - less than the MT metal see-saw hub on its own. In retrospect, I would have gone for the CNCHeli assembly, and added their metal rotor head which is just about $10. In order to get the MT metal see-saw hub to work with the stock plastic head, I had to do a bit of Dremel work on the head.

http://www.cnchelicopter.com/servle...recision/Detail

http://www.cnchelicopter.com/servle...recision/Detail

I've modded the blade grips on my MT, giving some delta offset angle, which I find improves hovering stability - but some would say this is at the expense of 3D ability. Not being a hotshot flier (yet!) I couldn't comment on that, but I like the way it flies with the mod.

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01-25-2010 04:44 AM  8 years agoPost 12
jonesjj

rrApprentice

Northern IL

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Well I just picked up a used MT here on RR in the classifieds with stock motor and extra blades and some parts, Price was $95.00 shipped. I hope I didnt get hurt on that to bad it looked like a good deal. I will take out the stock motor and sell that to make room for the Scorpion 2221-8 (would the 12tooth pinion be sufficient), I will be starting with basically a stock machine.

2dogs: those two upgrades seem reasonable and I will be getting those on order, is there anyway you could get a pic of the mod you did to the blade grips for the delta offset angle and maybe a short explanation ? I am a hover/sport flyer and dont do 3D so this may be a great mod to do.

Our LHS carry Hyperion packs and will give some of them a try, is the C rating the diff between the G3 CX and the VX 3S?

Is there a good CF Blade to use with this ship? it will come with the woodys, I have never been to crazy about woodys with the newer technology out now with the carbon blades.

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01-25-2010 05:27 AM  8 years agoPost 13
HeliMan Dave

rrVeteran

Suburban Chicago

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Yes, the VX packs are rated at 35C. The CX are 25C (I think).

If you're only sport flying then the CX Hyperions will be fine. The problem is, many "sport" flyers like to push the battery envelope so to speak by cranking the HS fairly and if you're not easy on the collective, you'd be putting a pretty good load on the CX packs.

If you are REALLY only doing sport flying the CX's will be fine.

For blades I like the Radix cosflaws. Excellent blades for $27.00

Otherwise check out: http://www.helidirect.com/high-qual...-trex-p-576.hdx

I have no personal experience with those however.

I would NOT run the stock TT woodies with the set-up you're planning. They are not safe at higher head-speeds than about 2200.

Logo 700 / 600 / 500 V-Bar NEO / Blade 180CFX / mCPX BL / Nano / V-Control

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01-25-2010 02:44 PM  8 years agoPost 14
jonesjj

rrApprentice

Northern IL

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The VX packs it is I know I will push it now and then or at least my version of trying to.

Not knowing what HS I should be at, what is the target HS I should be looking for with this ship say with the Radix cosflaw blades?

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01-26-2010 01:02 AM  8 years agoPost 15
fenderstrat

rrProfessor

Aston,Pa

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I've been posting on the MT forum almost since the beginning,and have followed the tracking issue "fixes"since day one. first it was glue all the bearings in,then glue the headblock to the mainshaft,then it was cutting the blade grip control arms,and finally the only fix that has stood the test of time is metal upper mixing arms.

the blade grip control arm mod kind of came and went,at first everyone was doing it,then for the last 2 years or so it seems to have fallen by the wayside,I think for 2 reasons.1 its permanent there is no going back unless you buy brand new blade grips.and 2 the jury is still out on wether it actually does anything to the feel of the heli or not,some say yes,some say no,so who knows.I do know TT chose to keep the arms the same lenght when they came out with the SE version.also the first version of kits had control arms that were not re-inforced.about 6 months after the MT was released TT came out with an upgraded plastic blade grip where the control arms were re-inforced,which eliminated any flex,therefore eliminating this as a cause for the tracking issue.

let me see if I can find the pics of both style blade grips

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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01-26-2010 01:11 AM  8 years agoPost 16
fenderstrat

rrProfessor

Aston,Pa

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https://rc.runryder.com/rr/rrpw.htm?p=3027315&i=1

the grip on the left is the original style blade grip,the one on the right is the "upgraded" one,you can see the reinforcing ribs on the control arm

you can also see they beefed up the area where the blade goes also.

so i think some guys thought the original blade grip arms were flexing causing the tracking issues

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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01-26-2010 01:22 AM  8 years agoPost 17
gmcullan

rrKey Veteran

Southbridge, MA

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I'm almost embarrased to say that after almost two years, my Mini-Titan is completely bone stock. Yes, slightly sloppier after all this time and way too many flights, but flies just great for my gentle "old-fart" flyinf style. Out of my 10 helis, my MT is my favorite. It's been dead reliable with very predictable flight characteristics.

Gerry Cullan,
Gaui 200, 255; T-Rex 250, 450 SE & SA, Mini-Titan, Blade 450

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01-26-2010 01:26 AM  8 years agoPost 18
fenderstrat

rrProfessor

Aston,Pa

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It's been dead reliable with very predictable flight characteristics
thats what i love about the MT,very reliable,unless you crash it goes hundreds of flights without adjustments and very predictable flights,solid heli.no matter what other helis i have i'll always have a MT ready to fly...GM how you doing?been a while since the BLADECP days

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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01-26-2010 01:27 AM  8 years agoPost 19
jonesjj

rrApprentice

Northern IL

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fenderstrat.
Thanks for posting that info, for someone like me who is new to the MT and don't know much about it you guys are saving me a lot of time searching and reading many many posts.

I so much appreciate the feedback with this little ship and look forward to getting it and getting her flying.

I found out today the cost of a new ship with motor and it seems I got a heck of a deal on the one I bought off of RR here with spare parts to boot.

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01-26-2010 01:31 AM  8 years agoPost 20
fenderstrat

rrProfessor

Aston,Pa

My Posts: All  Forum  Topic

no problem,ask any questions you want,always glad to help a fellow MT owner.

I'm not saying the blade grip mod doesn't do anything,just saying before you go doing a permanent mod,set it up and fly it as is,and see what you think,if you cut the arms first you'll have nothing to compare to.I have never done that particular mod and once i went with the metal arms the heli tracks perfect

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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