Re: Amazing car engine

mitchg95 Tue Jul 03, 2012 8:42 pm

no SPI
Its a #6 cyl and piston with no bypass ports and is a thinwall cylinder

Godsey3.0 Tue Jul 03, 2012 8:49 pm

No bypass ports? These are the main ports that deliver the fuel. They should look like little canals. Booster ports are smaller and run along side the booster port.

Rolla

mitchg95 Tue Jul 03, 2012 8:51 pm

ok, then.
it has the bypass ports

microflitedude Tue Jul 03, 2012 9:25 pm

17 minutes? Might want to check that ball and socket joint...

Godsey3.0 Tue Jul 03, 2012 9:28 pm

I did after it had cooled down. It was all good. Engine still runs nice.

Rolla

**RknRusty** Tue Jul 03, 2012 10:17 pm

Golden Bees have a smaller venturi than a Black Widow. As sold by Cox, they are about the same power as a Babe Bee. The ones that came with mufflers had two bypass ports, the plain ones had one bypass port. A Black Widow will blow it's doors off.

John Goddard Tue Jul 03, 2012 11:46 pm

If you look at the 'Cox engine tests/review' sticky the very first
Item is a Golden Bee/Babe Bee review it makes interesting
Reading.

PV Pilot Wed Jul 04, 2012 6:28 am

Admin wrote:Don't let it go wide open! You'll blow the con-rod (or something else). I blew the rod in my 1971 Baja Bug engine a few years ago when I let it go wide open (I was happy and amazed to see it going so fast but that sure changed when it made a loud snap and locked up instantly). I thought I could let it go wide open like that because of the heavy shaft but you have to remember that the rest of the engine is the same as any other cox plane engine. Nothing else was damaged, just fitted a new piston and it ran fine again.

Here's a video of one of the car engines I got a few weeks ago.

Yah, not good to run those car engines at full sing unloaded. I slung the rod in my GTP Nissan car engine once. I think it rattled the reed valve circlip off the backplate and sucked all that junk under the rod, between case and rod, runing basically everything. Almost pushed the rod completely thru the piston. all the drive train was spinning and the clutch was engaged on the engine, so all that rotating mass had a go at the engine damage once it tried to lock instantly. (grindmaster/mixmaster)

mitchg95 Wed Jul 04, 2012 7:37 pm

RknRusty wrote:Golden Bees have a smaller venturi than a Black Widow. As sold by Cox, they are about the same power as a Babe Bee. The ones that came with mufflers had two bypass ports, the plain ones had one bypass port. A Black Widow will blow it's doors off.

what would i have todo to get the venturi the same size as the BW?

lousyflyer Wed Jul 04, 2012 7:41 pm

Drill baby, drill. (Pardon my Palin moment)

Godsey3.0 Wed Jul 04, 2012 7:45 pm

Use a .082 drill bit. I find that it really helps performance. Be careful doing it though. Some engines do not take to it like others. Can make starting difficult.

Rolla

mitchg95 Wed Jul 04, 2012 7:45 pm

Godsey3.0 wrote:Use a .082 drill bit. I find that it really helps performance. Be careful doing it though. Some engines do not take to it like others. Can make starting difficult.

Rolla

if i send a backplate would you mind doing it? i dont have any .082 drill bits

Godsey3.0 Wed Jul 04, 2012 7:57 pm

Check the hardware store. I do not mind doing it. May be cheaper to get a bit though. Shipping varies and can get high. I am not sure if the tank needs to be drilled or not. I use a .081 bit. Power difference between .082 and .081 is nonexistent.

Rolla

mitchg95 Wed Jul 04, 2012 8:00 pm

Godsey3.0 wrote:Check the hardware store. I do not mind doing it. May be cheaper to get a bit though. Shipping varies and can get high. I am not sure if the tank needs to be drilled or not. I use a .081 bit. Power difference between .082 and .081 is nonexistent.

Rolla

ill check the hardware store
thanks for the tips, i want to have a bad @## golden bee Smile

im hitting up the lhs on monday, the older gentelman that works there told me that he has 3 cox .049 engines that he wants to sell to me and to make him an offer Smile

he did not say what they were so ill have to wait bounce

Godsey3.0 Wed Jul 04, 2012 8:02 pm

If anyone is around Muncie I suggest you stop at the hobby shop. TONS of engines at insane prices. Very nice man.

mitchg95 Wed Jul 04, 2012 8:04 pm

thanks, what kinda prices? hi, low?

Godsey3.0 Wed Jul 04, 2012 8:21 pm

I got a mint Space Hopper and Killer Bee for $20 for both.

mitchg95 Wed Jul 04, 2012 8:24 pm

wow man, i wish i had a space hopper
maybe one of the ones im going to see on monday will be a spacehopper

Godsey3.0 Wed Jul 04, 2012 9:04 pm

They are fantastic engines!

Rolla

mitchg95 Wed Jul 04, 2012 9:08 pm

they look amazing
i love my golden bee now that it actually runs Smile

**RknRusty** Wed Jul 04, 2012 10:27 pm

Godsey3.0 wrote:Check the hardware store. I do not mind doing it. May be cheaper to get a bit though. Shipping varies and can get high. I am not sure if the tank needs to be drilled or not. I use a .081 bit. Power difference between .082 and .081 is nonexistent.

Rolla

Like I say every time it comes up, Amazing car engine - Page 2 Deadhorse

just finger twist a 5/64 (.078") bit and wallow it out a little bit. It ain't critical and it ain't rocket science. Don't use a drill, use your fingers, it's through in a half of a turn.

Also check the venturi outlet behind the reed. It is probably smaller too. The taper, being different from the BW dimensions, makes that a flow restriction. You can still open up the inlet, but you're pretty much stuck with the outlet size.

Sponsored content