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Rotax 503

Posted: Mon May 25, 2015 4:05 pm
by Louis Geldenhuys
Helloeee

My Aquilla Rotax 503 motor het nou 503 Ure op , Werk wat ek al gedoen het aan enjine:
Decoke: Head skoon gemaak en pistons , (nie ringe nie vervang nie ).
Dit is al wat ek al gedoen het aan enjine se binnekant. Ek is tans besig om Undercarriage oor te bou op trike ,terwyl ek wag vir nuwe vlerk van SoloWings... maar ek begin nou wonder oor die Enjine.
Crank bearings ? Oil seal ? Ringe ? die goed wat saak maak ... Watse voorstelle is daar ?

Re: Rotax 503

Posted: Mon May 25, 2015 4:13 pm
by nicow
Die 503 duel ignition motors gee darm nie so baie probleme nie...hou net die fanbelt dop dat dit nie te pap word nie,dan sal jou motor ook nie te warm word nie...

Re: Rotax 503

Posted: Mon May 25, 2015 4:25 pm
by Louis Geldenhuys
Dankie Nico

Ek het gekyk na Fanbelt en gaan hom vervang.

Re: Rotax 503

Posted: Fri Jul 03, 2015 7:42 am
by Madman
Die Aquilla 503 is awesome ##

Ek het Margate toe en terug gevlieg van Crosswinds(Tarlton) met my 503 en nie een probleem gehad :mrgreen:

(^^)

Re: Rotax 503

Posted: Fri Aug 21, 2015 9:26 am
by Tailspin
Been Flying with 503DCDI for most of my Flying years now.

Gemini does 60MPH and I have gone as fast as 83 Straight and level with bar through my (**) but 503 Keeps pushing on.

To date only problem is with exhaust gaskets leaking every 50Hours or so.

Been to Margate and back and yea done some awesome flights.

Perfect Motor.

Re: Rotax 503

Posted: Tue Apr 11, 2017 12:55 pm
by CHARLIE WHISKEY
Hi Tailspin

Maybe you can help.

503 dcdi

What should be the max revs fullpower in the air.

Regards

Re: Rotax 503

Posted: Tue Apr 11, 2017 1:03 pm
by Tailspin
MAx Rev's 6800 but i keep mine at 6600 max 5 min !

Re: Rotax 503

Posted: Mon Apr 24, 2017 1:45 pm
by Leprachaun
I have had 503 Rotaxes come my way with 2000hrs on the clock , The secret is good oil , kleen filters and the 300 hr decoke .
Any hrs after 300 , you start losing compression due to stuck rings , and the sleeves tend to run hotter and the crankshaft get grit in , matter of time and the conrods are knocking , decoke is well worth while every 300 hrs , my pennies worth (^^)

Re: Rotax 503

Posted: Mon Apr 24, 2017 4:46 pm
by falconp1
Nice to hear from you again Lepricorn. Good advise as usual. Microlighters very quiet of late. WhatsApp not the same as chatting here. Miss die ou manne.

Re: Rotax 503

Posted: Tue Apr 25, 2017 8:37 am
by Leprachaun
Ja Boet times are tough , I see many trikes gathering dust and eventually being sold at low prices , pity , but on the other side good deal for newbies (^^)