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Old Dec 12, 2012, 02:02 AM
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gouch's Avatar
Lake Macquarie, Aust.
Joined Dec 2002
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oh great more choices!

seriously though, thanks for the input Ben, that sounds like a spritely setup. Do you have any vids of it with that? What cell count and current draw are we talking here?
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Old Dec 12, 2012, 08:15 AM
Cumulus Altimus
FASTBEN's Avatar
KELLER TEXAS
Joined Feb 2002
3,465 Posts
3s 55amp.sorry just a bench test.but i think it will do great on this plane as a lite setup.under $80.i may use this on my Orion 2.5m as a test bed one i build it.
Ben


http://www.rcgroups.com/forums/showthread.php?t=1787376

check this setup with with the 5.2 gb,,

http://www.reisenauer.de/artikeldetails.php5?aid=1120
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Last edited by FASTBEN; Dec 12, 2012 at 08:39 AM.
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Old Jan 23, 2013, 09:36 AM
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Joined Jul 2012
2 Posts
E-Typhoon build log questions

I just bought myself an e-Typhoon, but you would have to go back20 years in time to see me build my last model. So here are a few questions:

1/ what are the tips to properly mount and align the motor? I have seen posts advising to align it 2 degrees downwards + 2 degrees to the right, some saying 2 degrees downwards, 0 degrees on the horizontal axis, and finally 0.5 degrees downwards and 0.5 degrees right. So which one is right?

2/ which reference line should I take to measure the vertical adjustment for the engine?

3/ do people make any adjustments to ensure that the wings stay firmly in place? Same question for the stabilizer.

4/ is there a recommendation as to how to fix the antenna of the receiver? I have seen post recommending to let it float outside the canopy. Others go to great length to position the receiver at the back of the cockpit for the antennas to get out of the fuselage behind the wings.

Many thanks!
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Old Jan 23, 2013, 03:45 PM
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Stunt Double's Avatar
Australia, VIC, Melbourne
Joined Oct 2007
2,777 Posts
1 & 2 - that I cant answer you properly. I just tilted the motor right & down a little as the epoxy was drying and by chance it came out ok.

3 - Add some thin CA to the carbon joiner to build up the thickness ** let it dry before you attach the wings ** sand it back to get the right fit. I add one piece of fibre strapping tape to the top of the wing joining both together before each flight. I can fly my phoon without any tape as theres enough force on the joiner to hold the wings together tightly but the tape is good insurance. Do the CA trick to the stab joiner too thats all you need for that.

4 - First of all I would say use a long range rx with a satellite. It doesnt matter so much to position the antenna behind the wing as the nose has been built with kevlar so that its rx friendly. As in any plane make sure one antenna is vertical and one horizontal for best coverage.
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Old Jan 25, 2013, 10:59 PM
Find me a decent hill...
Xgnr's Avatar
Australia, QLD, South Brisbane
Joined Jan 2010
132 Posts
Some help with Motor/Prop decision please

Hi all

Just about to buy an E-typhoon and phaffing about trying to work out what motor and prop to get. I am looking at using it when there is no wind at the slope and hunt out some thermals essentially but also some High Speed passes if bored

So, I have been through the whole thread and sorta worked out that I should get a decent motor i.e. The HK specials just won't cut it right? I have had a pretty good run with the Turnigy motors in a couple of foamies.

Opinions please:

1. would a Scorpion HK2208-34 (2400kv) do the job using a 3s Lipo. be a physical fit and appropriate for the intended use?

I would need a 3.17mm prop adapter but not sure if the 3.2mm one they have on the web site will do the job?

http://www.wattsup.co.nz/catalog/pro...oducts_id=4709

2. I have 3s 1600 lipo (36mmx17mmx100mm) 130gm in my toy chest already.

3. What Prop/spinner would you suggest?

Many thanks for any advice

Stu

Motor Specifications
Stator Diameter 22.0 mm (0.866 in)
Stator Thickness 8.0 mm (0.315 in)
No. of Stator Arms 9
Magnet Poles 6
Motor Wind 34 Turn Delta
Motor Wire 5-Strand 0.19mm
Motor Kv 2600 RPM / Volt
No-Load Current (Io) 0.85 Amps @ 10 volts
Motor Resistance (Rm) 0.126 Ohms
Max Continuous Current 15 Amps
Max Continuous Power 160 Watts
Weight 39 Grams (1.38oz)
Outside Diameter 27.9 mm (1.097 in)
Shaft Diameter 3.17 mm (0.125 in)
Body Length 25.3 mm (0.996 in)
Overall Shaft Length 45.7 mm (1.799 in)
Max Lipo Cell 3s
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Old Jan 25, 2013, 11:03 PM
Crashing into the sky!
jackosmeister's Avatar
Auckland NZ
Joined Aug 2007
7,255 Posts
Totally not the right motor sorry. To small, and the kv is way to high to swing a prop big enough to haul a phoon around.


Maybe if you used it on a gearbox, but again its so small youd be struggling for power.


Really the only way to get decent power into a glider with a fuselage like a typhoon is with a gearbox. Wattsup stock KPG25/27 gearboxes.
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Old Jan 25, 2013, 11:35 PM
Find me a decent hill...
Xgnr's Avatar
Australia, QLD, South Brisbane
Joined Jan 2010
132 Posts
Quote:
Originally Posted by jackosmeister View Post
Totally not the right motor sorry. To small, and the kv is way to high to swing a prop big enough to haul a phoon around.


Maybe if you used it on a gearbox, but again its so small youd be struggling for power.


Really the only way to get decent power into a glider with a fuselage like a typhoon is with a gearbox. Wattsup stock KPG25/27 gearboxes.
Ah cool thats what I needed to know. Wasn't sure if the previous poster was suggesting that the Helicopter type Scorpion was better than a lower Kv motor WITH a gearbox... Trying to keep weight down if possible. I am a sloper and my only experience with Electric is with foamies only so forgive my ignorance in all this.

Any suggestions on a combination that is readily available and not OTT $$ wise ?

I am a kiwi and throwing Some Aus back over the ditch is kinda warming to the heart (esp on Oz day lol).

Cheers

Stu
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Old Jan 26, 2013, 12:25 AM
Crashing into the sky!
jackosmeister's Avatar
Auckland NZ
Joined Aug 2007
7,255 Posts
Hahahah, all good man.

Direct drive inrunner and outrunners with a small enough diameter to fit simply dont have the torque necessary to spin a large enough prop to haul most gliders around nicely (or efficiently). People do it cos its cheap (and some consider gearboxes scary voodoo), but once you go to a geared setup you'll quickly see the reason why gearboxes still totally rule the roost

This is how you put a KPG box together (its pretty easy)

http://www.rcgroups.com/forums/showp...&postcount=349

Id go something like this for a lightweight setup on your small 3S pack in a phoon

http://www.wattsup.co.nz/catalog/pro...oducts_id=3375

http://www.apachobby.com/electronics...-25-5-2-1.html - Wattsup have the KPG27 in stock, but finding a 36mm spinner with 6mm collet is tricky.

http://www.apachobby.com/electronics...a-400-480.html

http://www.apachobby.com/glider-acce...-spinners.html - 36/5mm

http://www.wattsup.co.nz/catalog/pro...roducts_id=244


Add a 50A esc and it should haul a phoon around well. Lots of headroom for more cells and watts in the future if you want. There are cheaper options, including geared ones (like the tower box), but the above is all quality stuff thats pretty bullet proof.


Happy strayla day
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Old Jan 26, 2013, 12:44 AM
Find me a decent hill...
Xgnr's Avatar
Australia, QLD, South Brisbane
Joined Jan 2010
132 Posts
Quote:
Originally Posted by jackosmeister View Post
Hahahah, all good man.

Direct drive inrunner and outrunners with a small enough diameter to fit simply dont have the torque necessary to spin a large enough prop to haul most gliders around nicely (or efficiently). People do it cos its cheap (and some consider gearboxes scary voodoo), but once you go to a geared setup you'll quickly see the reason why gearboxes still totally rule the roost

This is how you put a KPG box together (its pretty easy)

http://www.rcgroups.com/forums/showp...&postcount=349

Id go something like this for a lightweight setup on your small 3S pack in a phoon

http://www.wattsup.co.nz/catalog/pro...oducts_id=3375

http://www.apachobby.com/electronics...-25-5-2-1.html - Wattsup have the KPG27 in stock, but finding a 36mm spinner with 6mm collet is tricky.

http://www.apachobby.com/electronics...a-400-480.html

http://www.apachobby.com/glider-acce...-spinners.html - 36/5mm

http://www.wattsup.co.nz/catalog/pro...roducts_id=244


Add a 50A esc and it should haul a phoon around well. Lots of headroom for more cells and watts in the future if you want. There are cheaper options, including geared ones (like the tower box), but the above is all quality stuff thats pretty bullet proof.


Happy strayla day
Good on ya bro

That's exactly the help I needed. Always rely on a Kiwi

Last question today I promise - what sort of Props do you suggest I get ? Wanna get an order in for the lot and then I can get the prawns on the Barbie (in the rain... but its still warm :-) )

This is one of the fun parts of the the hobby, you learn sooooo much.

Cheers

Stu
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Old Jan 26, 2013, 12:58 AM
Find me a decent hill...
Xgnr's Avatar
Australia, QLD, South Brisbane
Joined Jan 2010
132 Posts
Rtfm

Quote:
Originally Posted by Xgnr View Post
Good on ya bro

That's exactly the help I needed. Always rely on a Kiwi

Last question today I promise - what sort of Props do you suggest I get ? Wanna get an order in for the lot and then I can get the prawns on the Barbie (in the rain... but its still warm :-) )

This is one of the fun parts of the the hobby, you learn sooooo much.

Cheers

Stu
Sorry Jacko, see that you sent a link for the Prop as well... now where is my XXXX?
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Old Jan 26, 2013, 01:04 AM
Crashing into the sky!
jackosmeister's Avatar
Auckland NZ
Joined Aug 2007
7,255 Posts
14x10

It might be wise to grab a 14x8 or so as well, depending on how comfortably launches with a relatively high pitched prop.

A seperate Rx power supply is a wise idea too btw, lil SBEC with small ~300-500mah 2S lipo/life is the norm

http://www.wattsup.co.nz/catalog/pro...oducts_id=6316
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Old Jan 26, 2013, 05:34 PM
Find me a decent hill...
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Australia, QLD, South Brisbane
Joined Jan 2010
132 Posts
Wing Servo's for E-Typhoon - Hitec HS-65 good fit?

Hi again

Can anyone confirm that the Hitec HS-65 will be a good fit for the for the wings? I read that they "drop in"?

Planning on MG's for the flaps if not all round.

Cheers

Stu
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Old Jan 27, 2013, 02:49 AM
Multi Rotor Maniac
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Australia, VIC, Melbourne
Joined Oct 2007
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Yes the 65's fit easily
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Old Feb 20, 2013, 09:50 AM
Registered User
Joined Jul 2012
2 Posts
Pushrods - E-Typhoon

Hi,

I am currently mounting the servos in the wings of the E-Typhoon. I find that with the space available between the curved fibre carbon of the wing surface and the wooden armature of the wing, very little space is left. The consequence is that the pushrod comes out almost completely horizontally on the other end, which is way too low for the servo to connect. Has anyone encountered the same issue? Does it mean that one has to cut through the wooden structure of the wing for the pushrod to pass through with a different angle?

Many thanks.
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Old Feb 20, 2013, 12:23 PM
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Staffs, UK
Joined Apr 2009
3,536 Posts
You'll need to remove some of the spar to let the pushrod go through properly. I've just looked at my Typhoon wing and I have a 'gap' so the push rod goes through. I had to remove some of spar on my Bird 60" to get the push rods to align properly. I was scared of doing this but was assured it was the norm.

You might want to try a metal clevis and lower which hole it goes on the servo arm too, most use the bottom hole if they choose not to drill a new one between the servo arm hub and the 1st hole.
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