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getting it started

getting it started

Old 03-21-2012, 02:43 PM
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What's going on everyone....? Maybe this is a stupid question to all the experienced guys, but I just got my Redcat racing vortex SS nitro sc truck. Broke the engine in this morning and all went well. About an hour ago I wanted to get her going again for some fun and the blasted thing won't fire up. Pull start is smooth, not tough to pull, engine was primed but nothing. Between my index and middle finger, good amount of skin is gone from pull starting the shiz out of the thing. So, I'm done screwing with it for the night. I'll be heading over to the local r/c shop to get some back up glow plugs(stupid me didn't buy extra) tomorrow. So, in the mean time any guidance would greatly be appreciated.
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Old 03-21-2012, 08:48 PM
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Sounds like the one way bearing is bad in the pullstart.
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Old 03-21-2012, 10:07 PM
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Originally Posted by hotrod87
Sounds like the one way bearing is bad in the pullstart.
If it is pullin too easy then this could be true. I get a lot of them with cheap OE pull starts that just wont grab. My solution is a drill a small hole just large enough for the plastic straw from an aerosol can to fit in towards the top. And another in the bottom to drain. Then if it is not grabbing I spray a bit of carb clean in and like magic it starts grabbing again. I think the oil and gunk that gets in there just messes with it. Especially if you a using a really oily fuel.
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Old 03-22-2012, 01:12 AM
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Originally Posted by ClaBarre61
What's going on everyone....? Maybe this is a stupid question to all the experienced guys, but I just got my Redcat racing vortex SS nitro sc truck. Broke the engine in this morning and all went well. About an hour ago I wanted to get her going again for some fun and the blasted thing won't fire up. Pull start is smooth, not tough to pull, engine was primed but nothing. Between my index and middle finger, good amount of skin is gone from pull starting the shiz out of the thing. So, I'm done screwing with it for the night. I'll be heading over to the local r/c shop to get some back up glow plugs(stupid me didn't buy extra) tomorrow. So, in the mean time any guidance would greatly be appreciated.
Saba answered the pullstart question, that'll get it working but pick up a bottle of "one way lube" it lasts forever as you only need "ONE DROP" after cleanin ghte one way bearing.

Starting
Try turning the flywheel with your finger, if there is compression there
Then remove plug and check it.
Then before putting plug back clear the engine of fuel with pullstart (if it works) and if it is a wet spray of mix you have probably richened up.
If plug was ok, put it back into engine and you should fire when you first try to start it, it will probably fire and if rich stall.

Run-in
A newly run in engine is rarely truly run-in. By default we give it plenty of idle, a rich mix of fuel and the pinch keeps the idle at bay. Then as the pinch loosens up we start to drop the idle and in doing so we're moving the bottom needle further away from the carby's jet, hence richening the idle mix.All good for a rich bottom needle while hot and running, then as it cools, it turns rich... blisters.

My Kyosho inferno was the toughest engine to run-in and tune. Some are really easy, responsive and takes little effort lean or rich. High performance engines tend to run better lean and RTR engines like to smoke, it's all in the metallurgy so dont be too hard on yourself and there's plenty to read on RC-Tech on how to tune.

They all start!
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Old 03-22-2012, 08:54 AM
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Appreciate the replies.....I went over to my local r/c store (walts hobbies) and picked up some nice glow plugs and a descents ignited. Put a new plug in and bam good to go....I guess I fouled out the original plug. So at this point for me is tuning it, cuz I don't have a temp gauge and the overall engine temp worries when running. Would anyone have tips for tuning?

And I've gotta say you all have been great...I really appreciate the help and you all make it feel like a family. So, thank you all agwin.
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