RunRyder RC
WATCH
 1 page 761 views POST REPLY
HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Maybe I got lucky????
07-16-2002 12:09 AM  16 years agoPost 1
BladeRunner

rrElite Veteran

Ontario Canada. Member of "some sort" s

My Posts: All  Forum  Topic

About a mo. ago I was out flying my Nexus, I thought I would try my first loop, took off climbed up high and went for it.......it wasn't pretty!!
I pulled too much back cyclic and the little Nexus did a flip!! While inverted I paniced and gave it full negative.....just in case it was going to "drop out of the sky"......hehehe.......panic does that to you, anyway I oversped the engine big time, I came in and landed and she sat there idleing away while my knees settled down. I went to spool up and......the engine just creaked to a halt! Oh~oh what was that?
I tried to move the start cone by hand and it was rough I thought I fried it.
I just now took it apart and the piston and liner are perfect!! I rotated the crank and it was there......the front bearing was notchy, hmmmm...that's not so bad I thought. So I notice a bit of trash in the engine..it's not metal.. What is this stuff?? Then I notice that there is only one white plastic "button" on the end of the wrist pin, I have never had this engine apart ....should there be two??? I think somehow one of the "buttons" came out and ended up in the front bearing and other parts of the engine, after I cleaned the bearing it is as smooth as the rear..so it must be OK. So if I replace that button.....will the engine be OK??? The whole thing is now in my crock-pot getting a nice bath.....

PM  EMAIL  GALLERY  Attn:RR  Quote
07-16-2002 01:22 AM  16 years agoPost 2
scott3

rrApprentice

Pensacola Florida

My Posts: All  Forum  Topic

There was only one plastic button in my engine. The piston has one hole a little larger than the other. The cap is installed in the larger hole to prevent the wrist pin from working its way out and contacting the sleeve. Dont have to worry about the pin working its way out of the smaller hole.

PM  EMAIL  Attn:RR  Quote
07-16-2002 01:33 AM  16 years agoPost 3
BladeRunner

rrElite Veteran

Ontario Canada. Member of "some sort" s

My Posts: All  Forum  Topic

Lucky???
Thanks scott3, well I wonder what that "trash" was then????? Maybe something was ingested??? It seems fine now At least since I cleaned the bearing it's smooth....no scatches or marks on the piston / liner Hmmm.....I will reassemble it after the crock pot has done it's work and see if it will run.......thanks..

BTW, are there any "O" rings in the carb besides the small one one the needle valve and the base of the carb????

PM  EMAIL  GALLERY  Attn:RR  Quote
07-16-2002 02:26 AM  16 years agoPost 4
scott3

rrApprentice

Pensacola Florida

My Posts: All  Forum  Topic

The low end adjustment screw has one as well. We are talking about an os 32.

PM  EMAIL  Attn:RR  Quote
07-16-2002 03:18 AM  16 years agoPost 5
BladeRunner

rrElite Veteran

Ontario Canada. Member of "some sort" s

My Posts: All  Forum  Topic

OS32???
Yes, it's an OS 32 SX-H, thanks for your help.....I just pulled the carb from the cooker and it looks new.......gotta love the old "antifreeze and crock pot" The crankcase needs an overnighter by the look of it, should be ready tomorrow.

PM  EMAIL  GALLERY  Attn:RR  Quote
WATCH
 1 page 761 views POST REPLY
HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Maybe I got lucky????
 Print TOPIC  Make Suggestion 

 0  Topic Subscribe

Friday, July 20 - 6:00 am - Copyright © 2000-2018 RunRyder   EMAILEnable Cookies

Login Here
 New Subscriptions 
 Buddies Online