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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › How to tell if an engine needs rebuilding
10-12-2011 04:05 AM  7 years agoPost 21
CX1

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Canada

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Bear in mind I did this for a living for a while and I would not hone a liner , I would just buy a new one.
I agree with airdodger about the cross hatching you can't do it by hand perfectly but a lathe could, which we don't have access to

a brake hone works in a pinch or sand paper but you will never get the same results a new sleeve would have for seating a ring.(although close enough)
but since this is just a hobby and we are not Racing or providing warranties on a new product we can settle for less than perfection

" Team Protoast "

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10-12-2011 07:45 PM  7 years agoPost 22
airdodger

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Johnston USA

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BladeStrikes I am not trashing anybodys thread this is directed right at you. I am not the person that posted a video, you do that you better be right, because some people just might believe you.. I guess you can't read or comprehend I just told you I did this for a living. I am an old man now but I still know how to do engines. If you think Bert or Bobby have more knowledge about engines so be it. I will be glad to hear your experience level. You are so lacking it's funny. They had a word for guys like in the shop, ( hacks). I would not let you fix my lawnmower.

Chris

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10-12-2011 08:17 PM  7 years agoPost 23
BladeStrikes

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Shelby TWP,Mi

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You clearly have personal issue's.As for your comment's directed to me,learn to read as im not the one asking question's here,the OP is .Would you like a pat on the back about the rest of the off topic garbage you posted?Been ASE cert close to 20 year's and built all kind's of 10 to 8 sec strip car's.Even built a few of my own street car's but unlike you,I don't come off as a know it all and comment on thing's I never did like you keep doing .Move on with your personal issue's and stop trashing the man's thread,it's getting old...

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10-12-2011 09:34 PM  7 years agoPost 24
Jeff polisena

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westpalmbeachflorida usa

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Where's the video ???

I stole it ,flew it and gave it back ;)

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10-12-2011 11:26 PM  7 years agoPost 25
CX1

rrKey Veteran

Canada

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anybody got one of these for rc engines I could borrow
this is how it is suppose to be done

Watch at YouTube

" Team Protoast "

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10-13-2011 05:22 AM  7 years agoPost 26
JasonJ

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North Idaho

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I honed many engines, by hand and with a CK, it is very demanding. First you need to know the material of the cylinder, then the correct stone to leave the finish needed for the ring and the use it will be put to. Using the wrong stone grit or fluid or improper crosshatch the engine will never perform up to it's potential. The correct way to hone would be with a Sunnen rod hone, that way you can keep the pressure without bell mouthing or tapering the cylinder, assuming you know all of the above. The problem with break hones is you can't keep enough pressure and you need to move the hone fast, if you dwell at the top for even a little you can lose some of the precious seal by opening the dimension just where it is most important. A good cross hatch not only seats the ring but holds the oil for lubrication. Bear in mind I did this for a living for a while and I would not hone a liner , I would just buy a new one. This does not mean it won't work, but your chances of getting everything correct are astronomical. Just my opinion...
Yeah, overthinking it here. Optimally, buying a new sleeve is the right answer. That being said, it's a hobby. We are flying toys. Sometimes we like to work on our toys. Sometimes we like to try things out on our toys. Sometimes we don't want to spend X amount of dollars on our toys. Sometimes we take a brake cylinder hone, which doesn't have enough ass to remove enough material to cause a real problem and freshen up a sleeve.

Sometimes, and by sometimes I mean most of the time, doing things like using a brake hone on an RC engine sleeve works just fine. Worst case scenario, you end up buying the thing you were probably going to have to buy anyway but at least you try things out first. Me, I have done it enough to know how to put a good crosshatch on a sleeve and get good results. I have rebuilt and honed real engines with good results so this really isn't a stretch. It isn't that hard, don't make it more than what it is.

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10-13-2011 12:23 PM  7 years agoPost 27
airdodger

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Johnston USA

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BladeStrikes You are the one with personal issues, that all you can say in defense stop trashing threads, that your standard reply, LOL. I am not the one with a know it all video that is not only dangerous, using a towel under a torch, or assembling an engine on a towel that holds dirt, you are lacking in all areas. If you are a certified mechanic you missed a lot. I don't dislike you,(I don't know you), just think you are giving bad information, but you may be doing the best you can. The only garbage is the video you posted!

Chris

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10-13-2011 12:27 PM  7 years agoPost 28
airdodger

rrElite Veteran

Johnston USA

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CX1 Good video. Just send your engine to BladeStrikes no need for that cylinder hone he can do it with sandpaper, it will be just as good.

Chris

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10-13-2011 01:34 PM  7 years agoPost 29
BladeStrikes

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Shelby TWP,Mi

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Like I said,your good at trashing other member's thread's.Good luck with your personal issue's..

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10-13-2011 02:12 PM  7 years agoPost 30
Thumpernator

rrKey Veteran

Senoia, Georgia, USA

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I've put my crank in a drill and spun it while running this along the shaft to remove the crud
Man,,,, that's gotta hurt!

Dave
I keep on thinking, but nothing's happening. Knuk, Knuk, Knuk

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10-13-2011 05:33 PM  7 years agoPost 31
airdodger

rrElite Veteran

Johnston USA

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BladeStrikes Like I said same witty reply, I was not expecting much and was not dissapointed. If nothing else you are good entertainment. You have been weighed, you have been measured, and you have been found wanting..

Chris

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