ollietheox Posted June 8, 2015 Share Posted June 8, 2015 Have got hold of a fairly, if not brand spanking, new .21 engine. Problem is, there appears to be way too much compression and my starter box fails to turn it over. I've marked BDC on the flywheel and this manages to maybe get a turn or two, but after that it just stops. Tried heating the engine (only to 50oc achievable from a hair dryer). Filled it with ARO. Still nothing. Turning by hand is tough, but I do manage to turn it over. Just before it hits TDC there's a bit of a clunk. Had it all apart, everything moves freely as it should until I put the liner and piston back in. Is it just a case of too much compression or is it something more sinister? Any ideas on how to overcome this problem? Quote Link to comment Share on other sites More sharing options...
froggy8 Posted June 8, 2015 Share Posted June 8, 2015 what engine you got? best heat it bit more, on my new one i had it up to 200f before it would start Quote Link to comment Share on other sites More sharing options...
Anthoop Posted June 8, 2015 Share Posted June 8, 2015 (edited) Yes...more heat....and loosen the glow plug a little or add an extra plug washer (if normal plug).....could add an extra head shim if you have some. Quite normal for a new engine, once you get some fuel ran through it things will get easier. When you say "Filled it with ARO", hope you do not mean that literally just a drop or two will aid lubrication but too much oil makes starting harder. Oh and other than that, ensure the starterbox wheel is nicely aligned with the flywheel and that you are getting enough contact between box wheel and flywheel...some chassis have very small cutouts and it can be helpful to open it a little....of course if the box wheel is catching the chassis that will not help. Edited June 8, 2015 by Anthoop Quote Link to comment Share on other sites More sharing options...
ollietheox Posted June 8, 2015 Author Share Posted June 8, 2015 Exaggeration on the Aro. Just put a few drops in to make things a bit easier. Can I chuck it in an oven to heat it? Havent really got amything else here to get it up to temperature. Quote Link to comment Share on other sites More sharing options...
Anthoop Posted June 8, 2015 Share Posted June 8, 2015 Yes you could put just the engine into an oven...BUT....there are many soft rubber/plastic bits just on the engine...let alone the car...so No. Your options are... Try the other things I mentioned (plug/shims) along with the heating method you have. Buy something that will get it hotter...along with the other things. Again, ensure that it is all lined up properly too. Quote Link to comment Share on other sites More sharing options...
Anthoop Posted June 8, 2015 Share Posted June 8, 2015 Oh and you can also do some funky stuff with tin foil and hair dryers...you do not want the heat so much on the cooling head...rather below it.....and heat rises... Quote Link to comment Share on other sites More sharing options...
ollietheox Posted June 8, 2015 Author Share Posted June 8, 2015 Cheers. I guess I'll have another bash. Patience is the key.........no where can I get some patience from?????? Quote Link to comment Share on other sites More sharing options...
Anthoop Posted June 8, 2015 Share Posted June 8, 2015 I have some spare at the moment....you can pay the postage? Quote Link to comment Share on other sites More sharing options...
ollietheox Posted June 8, 2015 Author Share Posted June 8, 2015 (edited) Lol. Edited June 8, 2015 by ollietheox Quote Link to comment Share on other sites More sharing options...
Nitroholic Posted June 9, 2015 Share Posted June 9, 2015 I could post you some of my patience....but I won't be able to send it until next week.... you OK to wait 1 Quote Link to comment Share on other sites More sharing options...
Ian w Posted June 9, 2015 Share Posted June 9, 2015 Just my idea but if you are trying to start with ARO in it that will increase the compression. Take plug out few drops of fuel in turn it over to empty out fuel in cylinder put plug back in then try to start it again. 1 Quote Link to comment Share on other sites More sharing options...
ollietheox Posted August 4, 2015 Author Share Posted August 4, 2015 Quick update on this. I gave up. Bought a Trackstar .21 off Hobbyking for Quote Link to comment Share on other sites More sharing options...
HYPER-BOY Posted August 4, 2015 Share Posted August 4, 2015 Quick update on this. I gave up. Bought a Trackstar .21 off Hobbyking for Quote Link to comment Share on other sites More sharing options...
Wigglefish Posted August 8, 2015 Share Posted August 8, 2015 (edited) Recently had a spectacular failure with my nitro and have been rebuilding it since. Almost up and running again but no matter want i do i cant get my failsafe to set and ideas? Edited August 8, 2015 by Wigglefish Quote Link to comment Share on other sites More sharing options...
ollietheox Posted August 10, 2015 Author Share Posted August 10, 2015 Is it inbuilt to the radio system or standalone? I only know how to set the Flysky failsafes. Quote Link to comment Share on other sites More sharing options...
Wigglefish Posted August 10, 2015 Share Posted August 10, 2015 Standalone RC SKY, have ordered a new one. Hope this will sort it. Quote Link to comment Share on other sites More sharing options...
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