Next Durafly bird...a Trojan! - Page 12 - RC Groups
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Feb 22, 2012, 03:16 AM
Angry Bird ...
yarrumevets's Avatar
Quote:
Originally Posted by GavDorro
I assume it is standard practise to mix in down elevator with flaps down to counteract balooning?
I did mix in a little down-elevator, just a couple of degrees. It's interesting because when you hit the flaps switch you get all of your down elevator immediately, but your flaps only descend slowly (as they're supposed to) with the servo-slow installed. So you'll get a momentary down pitch when you hit the switch, but it's not a problem - just something to be aware of if you don't anticipate it.

Quote:
Originally Posted by GavDorro
Do some also mix up elevator with undercarraige down to counteract increased drag?
Nah - it's not significant, or at least not to me. So I didn't bother with that.

Congrats and good luck with everything!
Steve
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Feb 22, 2012, 10:10 AM
Registered User
Mine just assambled today. Actually I bought also the replacement retract and metal trunnion, but even the trunnion fit perfectly on the original retract but can not close properly because of the stopper too big. Also I also tried put the replacement retract to the chamber but too big also, need modification at the screw holes.

So please upload the images of the retract modification ( with bigger retract replacement ) inside the front chamber and or how to modification the stopper in order to make retract can work perfectly with metal trunnion at original retract . ...

Hopely maiden fly this saturday with modification of front retract. ..
Last edited by Azka Anindya; Feb 22, 2012 at 10:24 AM.
Feb 22, 2012, 03:03 PM
Registered User
Quote:
Originally Posted by Bloke330
Chops3,
Are you serious that HobbyKing will sell spare props soooooooooooooooooon?????
Can't wait!!!!....
so thy say.
chops.
Feb 22, 2012, 04:09 PM
Registered User
Pics for mods required for metal trunnion installation on the stock retract can be found in post #147 in this thread.

As for fitting the larger retract you need to redrill the holes in the top plate of the retract, make up some spacers, readjust steering linkages and remove some material from the retract mount. if your were unable to figure any of that out yourself i suggest you do not try the modifications required to fit the larger retract.
Feb 22, 2012, 06:20 PM
Bathurst, NSW, Oztralia
I got the wiring sorted. Half my battle was that the Orange rx had the sticker on the wrong way, and as a result the bind plug was in the wrong end! Also one of the triple harnesses was not working so I don't have lights at the moment.

Does anyone have any probs with the hatch not shutting properly when the battery is in? I think I will have to carve some foam to get it to shut properly.
Feb 22, 2012, 06:50 PM
Bathurst, NSW, Oztralia
Oh, and I ordered a MAS 10x5 3 blade prop from a LHS so I can see whether it is a match. Cost me $22 with postage for 1 prop. Ouch.......
Feb 22, 2012, 07:33 PM
Registered User
i carved some foam out of the canopy so that it would close properly.
Feb 22, 2012, 08:13 PM
Registered User
Quote:
Originally Posted by Bloke330
Chops3,
Are you serious that HobbyKing will sell spare props soooooooooooooooooon?????
Can't wait!!!!....
Quote:
Originally Posted by jim350
Pics for mods required for metal trunnion installation on the stock retract can be found in post #147 in this thread.

As for fitting the larger retract you need to redrill the holes in the top plate of the retract, make up some spacers, readjust steering linkages and remove some material from the retract mount. if your were unable to figure any of that out yourself i suggest you do not try the modifications required to fit the larger retract.
Thanks jim, ooo yea drill the plate. Anyway with the stock retract, which parts broken in nose landing, the plastic trunnion ?
Feb 22, 2012, 09:48 PM
Registered User
Quote:
Originally Posted by Azka Anindya
Thanks jim, ooo yea drill the plate. Anyway with the stock retract, which parts broken in nose landing, the plastic trunnion ?
yes just the plastic trunnion broke on mine.
Feb 22, 2012, 10:40 PM
Registered User

prop tests


Durafly T-28 Trojan prop tests
tests, measured with my old HK meter.
useing all Master Airscrew propellers.
all test were with full chargers on batterys.

test with STD prop that came with T28.
peak: about 30.4A
with 323 watts give or take
on 3 S 2200ma

10.7 MAS Prop 3 Blade
peak: about 21.4 A
with 226 watts give or take
on 3 S 2200ma

9x6 MAS prop 2 Blade
peak: about 15.3 A
with 165 watts give or take
on 3 S 2200ma
Feb 22, 2012, 10:56 PM
Registered User
Will the MAS fit in the original prop adapter? If not how did you mount the MAS?

Would also be interested on ways to mount a 2 blade. I cut down the original prop and use it as a spacer in the original prop adapter. Must be a better way!!!
Feb 23, 2012, 01:45 AM
Registered User
Quote:
Originally Posted by balch
Will the MAS fit in the original prop adapter? If not how did you mount the MAS?

Would also be interested on ways to mount a 2 blade. I cut down the original prop and use it as a spacer in the original prop adapter. Must be a better way!!!
sorry made a boo boo the 10x7 prop was not Electric
and yes had to use heaps of washers to fill gap.
Feb 23, 2012, 01:46 AM
Registered User
Quote:
Originally Posted by chops3
Durafly T-28 Trojan prop tests
tests, measured with my old HK meter.
useing all Master Airscrew propellers.
all test were with full chargers on batterys.

test with STD prop that came with T28.
peak: about 30.4A
with 323 watts give or take
on 3 S 2200ma

10.7 MAS Prop 3 Blade
peak: about 21.4 A
with 226 watts give or take
on 3 S 2200ma

9x6 MAS prop 2 Blade
peak: about 15.3 A
with 165 watts give or take
on 3 S 2200ma
sorry made a boo boo the 10x7 prop was not Electric
Feb 23, 2012, 02:17 AM
Registered User
Quote:
Originally Posted by jim350
yes just the plastic trunnion broke on mine.
thanks again, so the choices are metal trunnion on stock retract or larger retract replacement ? Which one better jim ? Is it http://www.hobbyking.com/hobbyking/s...stem_1pc_.html can handle nose landing well ?

cheers
Feb 23, 2012, 04:32 AM
Registered User
Im my opinion the metal trunnion is better


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