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HelicopterGasser Model RC HelicoptersOther › Spectra water landing, ...whew!!!
03-18-2009 10:31 PM  8 years agoPost 41
Justin Stuart (RIP)

rrMaster

Plano, Texas

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If you guys don't mind (and not to highjack this thread), but I have a few quick questions on the Spectra build. I got the metal inserts into the blade grip holders OK using the monokote heat gun. Now, I'm wondering about some other stuff.

The thrust bearings have three parts, the inner shield, the ball race, and the outer shield, and it seems that one of the shields fits tighter on the spindle shaft than the other. Anyone know the correct orientation of these parts, or does it matter? (I know on my Trex spindle shaft, it did matter)

Next, the green Loctite. I really don't like using green Loctite if I don't have to, but I guess I am supposed to put the green Loctite on the outer race of the bearing that go on either side of the metal insert in the blade grip holders? Is there a way to do this without getting Loctite inside the bearing? Can this step be omitted? (there is a metal bolt on either end of the spindle shaft, right?)

Finally, does the starter in this picture look right to you? I guess that metal butterfly shaped piece stays attached to the bottom of the helicopter and just rotates at 13,000rpm?

And as for the simulators, what ones are you guys using? I have FSOne, and I also have a free one called HeliSimRC which is pretty good--you can tweak all sorts of variables. What do you recommmend?

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03-18-2009 11:01 PM  8 years agoPost 42
rbort

rrProfessor

Franklin, MA - USA

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Assembly

Jock:

You're supposed to assemble ALL the parts on the head axle while the axle is in the head and THEN slip over the blade grips. You screw in the arms last. Well, I guess if you got them in, maybe you can assemble this way, but you have to be sure you put the aluminum spacers that are inside the grips the right orientation.

Heat iron, no. Use a heat gun instead.

-=>Raja.

MA 1005 Hanson 280, 4136 flts
Spectra 27 3DMax, 3200 flts
Whiplash V1 Hanson 300, 1430 flts
Whiplash V2 Hanson 300, 196 flts

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03-18-2009 11:17 PM  8 years agoPost 43
pgkevet

rrKey Veteran

Wales

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Finally, does the starter in this picture look right to you? I guess that metal butterfly shaped piece stays attached to the bottom of the helicopter and just rotates at 13,000rpm?
...don't worry about that until you have an engine...
And as for the simulators, what ones are you guys using? I have FSOne, and I also have a free one called HeliSimRC which is pretty good--you can tweak all sorts of variables. What do you recommmend?
I use phoenix..love it but then I've not used anything else... sadly no gasser model there but you can manipulate model attributes if you have the patience. The support is superb and if enough folk requested a gasser then they'd knock one up. Best is that once bought all new models, sceneries and upgrades are free downloads.

pgk

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03-19-2009 12:13 AM  8 years agoPost 44
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Heat iron, no. Use a heat gun instead.
Sorry, that was a typo. I meant heat gun and I went back and changed my previous post.

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03-19-2009 02:33 AM  8 years agoPost 45
CNCjunkie

rrVeteran

Kauai (The Garden​Isle), Hawaii - USA

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+1 for the Phoenix sim

Use your own TX with it, very realistic

jrock, I have couple of nice pics of how the blade grips, bearings etc are assembled. My computer PS went belly up on me, but I can pull the HDD out and put it in a USB enclosure to retrieve the pics to my laptop. Look for them later this evening in a post here.

Just another crappy day in Paradise....Aloha!

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03-19-2009 04:56 AM  8 years agoPost 46
Excalibur

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Destination: Earth

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And as for the simulators, what ones are you guys using? I have FSOne, and I also have a free one called HeliSimRC which is pretty good--you can tweak all sorts of variables. What do you recommmend?
Pretty much anything that allows you to use a real transmitter or your own TX. There are three accepted leaders: Realflight, Reflex XTR (European), and FS One. I own an old version of Realflight (G2) and it still does the job just fine. I have only flown demo versions of Reflex and FS One in hobby shops, and from what I can tell, they do the same job for the same money.

It's easy to get hung up in all the marketing hype, but in the end they all do about the same thing in the same way. The all let you edit models and select different airports, wind speed, orientation, etc.

You can also look for used systems on Ebay if you don't want to spend the typical $200 for new. You don't need the newest, top end sim to train muscle memory.

Bottom line - find one that offers the models that you want, at the price you can afford, with a TX that comes with it or allows you to use your own. Remember, you're not buying a video game, but a tool for training yourself how to be a good RC pilot. Don't get hung up on too many details.

Hope this helps - good luck.

Xcal

Camper Fuel: It's Not Just for Breakfast Anymore

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03-19-2009 05:46 AM  8 years agoPost 47
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Thanks for the sim recommendations guys.

Well, I got all the pieces of the blade grips together finally. I think I damaged the shield on one of the bearings a little bit by forcing it in with the wrong size socket wrench, but everything turns freely now so I guess that's all that matters. I don't really think I want to put any green Locktite in there, however.

Anyone ever worry about the pushrods coming off the head in flight? I had a guy recommend on my Trex that I put washers at the end of the ball links so that the pushrods couldn't fly off due to centrifugal force. I haven't done it yet because I can't find a good way to do it that doesn't cause binding.

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03-19-2009 05:48 AM  8 years agoPost 48
CNCjunkie

rrVeteran

Kauai (The Garden​Isle), Hawaii - USA

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Xcal,

Don't dismiss Phoenix as one of the top contenders. I had Real Flight 3.5 and found it to be almost like a video game. Not as realistic as Phoenix as far as the physics go. There may be improvents with the newer versions.

I found Reflex to be problematic with my JR radio. I had to patch the adapter and I still had engine surging that tech support was not able to resolve. Radio setup was also not as straight forward as the Phoenix sim was. Just my 2 cents.

Jrock, Here's a pic of the head. One side completed showing how things are stacked on the spindle before the grip is installed. In the forground shows the order of components as they are installed onto the spindle.

Just another crappy day in Paradise....Aloha!

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03-19-2009 05:52 AM  8 years agoPost 49
rbort

rrProfessor

Franklin, MA - USA

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Good job!

No, do not use green locktite on any of the bearings in the head. It will be a nightmare to disassemble and its absolutely not necessary as its not a spinning part. Just put locktite on the last screw at the end that holds all the parts from coming out, that's all.

No worries about the shield for the bearing - it happens to the best of us especially during disassembly of stuck parts...!

I wouldn't worry about any pushrods in the head, mine have never come off either of my gassers in all the years I've been flying them. However, I did trap the heavier ball links on my Spectra-g since one of them popped off very early on at flight #12. It was due to some excessive shakes from a bad out of round delrin ball, but I vowed it would never happen again and I trapped all those links. You can get parts from Minair to do that if you wish, someone here listed the parts recently or what Bob at Minair told him to get to build them with washers.

Keep up the building process - we want you to taste the Spectra!

-=>Raja.

MA 1005 Hanson 280, 4136 flts
Spectra 27 3DMax, 3200 flts
Whiplash V1 Hanson 300, 1430 flts
Whiplash V2 Hanson 300, 196 flts

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03-19-2009 09:39 AM  8 years agoPost 50
pgkevet

rrKey Veteran

Wales

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Don't dismiss Phoenix as one of the top contenders.
..as i commented, I can't speak for other sims.. but phoenix does allow a demo download. Some of the sceneries are supercool..particularly good fun is flying a big bird tight in the moutains with some interesting updraughts..and between the stones of stonehenge...

pgk

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03-19-2009 01:15 PM  8 years agoPost 51
Justin Stuart (RIP)

rrMaster

Plano, Texas

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No worries about the shield for the bearing - it happens to the best of us especially during disassembly of stuck parts...!
Thanks. I felt pretty bad about doing that. Oh, and I appreciate your comment on the Loctite. Is there ever really a place for green or red Loctite in this hobby?
I have only flown demo versions of Reflex and FS One in hobby shops, and from what I can tell, they do the same job for the same money.
For me the simulators so far have been to learn how to do things like nose in hover or how to give the correct rudder input when the heli is inverted. I flew on the FMS sim for a long time because it was a free download, and although the physics were quite irrealistic, it was still very helpful. But I will try a demo version of Phoenix if I can find a way to download it for free.

Thankfully the rainy weather in Dallas is finally leaving and being replaced by sun and wind, so I guess this means the flying season is starting all over again. Now if only I the UPS man would bring me my rudder servo back from Horizon Hobbies so I could spend less time talking with ya'll about flying and more time at the field doing it for real.

How's the weather in your parts of the world?

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03-19-2009 05:18 PM  8 years agoPost 52
CNCjunkie

rrVeteran

Kauai (The Garden​Isle), Hawaii - USA

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Do you really want to know what the weather is like here?

All kidding aside, it's been quite rainy for a couple of weeks now and today the trade winds have kicked in. We do have our winter weather here too, just not bone chilling cold.

There are a couple of places in the manual that call for green loctite. If I remember correctly, it was only for the mixing arm bearings (I used red, which IMO, was enough) and the 4mm tail blade grip retaining nuts.

Be careful with green, It's pretty much permanent and requires quite a bit of heat to break the bond.

Just another crappy day in Paradise....Aloha!

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03-19-2009 05:51 PM  8 years agoPost 53
Justin Stuart (RIP)

rrMaster

Plano, Texas

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It's pretty much permanent and requires quite a bit of heat to break the bond.
So then green Loctite can be removed? I thought the part had to be thrown away. I keep my tube of green and red Loctite locked in a separate place so that I can't accidentally use them in place of the blue.

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03-19-2009 08:29 PM  8 years agoPost 54
CNCjunkie

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Kauai (The Garden​Isle), Hawaii - USA

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So then green Loctite can be removed?
Yes, but you would need to heat to about 600 degrees to melt the loctite.

Just another crappy day in Paradise....Aloha!

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03-22-2009 03:23 AM  8 years agoPost 55
bosshoss

rrVeteran

Chicago, IL

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I found the problem that led to my forced Auto into the water.

My insulator block was WARPED and leaking air. I have been trouble shooting her since the forced auto. I have had sporadic running, rpm fluctuations and all-out leaning out flame outs.

The plug was showing extreme lean.

I bought gas right before the forced auto from a gas staion I rarely use, so I got new gas. Changed the plug, so I could get a good read.

No go, still sporadicly leaning out. Checked the screen , carb was clean. Did the 3 foot draw test , to see if the pump section was OK.
It was fine.

Took the insulator off, and AHA!!!, the gasket was WET. Wet, oily.

Insulator, black phenolic crappy resin thingy , metal inserts partially pushed through, warped and distorted.

Stuck it in the mill, shaved her down flat, re-install, runs like new.

Metal insulator with teflon gaskets coming form Toxic once they are in stock again.

Now I have confidence in her again, tore up the skies here. What a bird.

Why Hover a Yak, when a Heli does it better?

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03-22-2009 04:04 AM  8 years agoPost 56
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Is it the Z-RC insulator you plan to use?

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03-22-2009 05:49 AM  8 years agoPost 57
TaleGunner

rrElite Veteran

Deer Park WA

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Is Z-RC still around there website has said undergoing maintenance for some time?

CRASH! GLUE! REPEAT!
Spectra-G, Ion X-2

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03-22-2009 06:07 AM  8 years agoPost 58
shuttlepilot

rrElite Veteran

Mullins, South​Carolina

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QWW also sells the aluminum insulator. I noticed that z-rc has been down for a little while as well.

http://www.ewtech.com/Merchant2/mer...ct_Code=HHI2565

Gas is Great
Camper Fuel is Better!!
QWW Helis

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03-22-2009 01:15 PM  8 years agoPost 59
bosshoss

rrVeteran

Chicago, IL

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That QWW looks nice, thanks. I need one, because the way this black phenolic looked, it will probably warp again.

The heat from the motor must soften it up some and then it distorts.

I was shocked to find it warped, let me tell you. But, also happy that I definitely found the source of my bobbles and hiccups, and one very tense flame out.

Why Hover a Yak, when a Heli does it better?

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