mounting an engine

nitros Fri Aug 26, 2011 5:41 am

what size screws do i need to mount an engine i have for stationary or is there any other ways

nitroairplane Fri Aug 26, 2011 5:45 am

what engine?

nitros Fri Aug 26, 2011 6:42 am

if u mean the size its a .49
if its the type i dont know but on the bid it was called a number 1

nitroairplane Fri Aug 26, 2011 7:42 am

Hum but cox made lots of .049s does it have an internal tank?
And does it mout using the backplate or a beam mount?
Sorry for the questions but I need an idea of what you have so I can advise you.

microflitedude Fri Aug 26, 2011 7:44 am

Servo screws normally work. Got a link to the auction?

nitros Fri Aug 26, 2011 8:08 am

the auction page is here

nitros Fri Aug 26, 2011 8:15 am

actually looking at the pictures now the no1 has no piece of metal in the middle of the exhaust ports but my engine does i think my engine is a no5 here

nitroairplane Fri Aug 26, 2011 8:36 am

Ok that is called a surestart .049 I used 2.5mm wood screws to mount it ( I bought 2 of those for 10£ last week.

nitros Fri Aug 26, 2011 8:40 am

ok thanks

nitroairplane Fri Aug 26, 2011 8:46 am

Oh and about 2 inches long.

PV Pilot Fri Aug 26, 2011 9:42 am

2.5mm usually fits thru there nice and snug. I have cap head 2.5mm for the test stand.

Quality stuff here, been buying screws from Tony for 8+ years. Everything is grade 8 to 12.
http://www.tonysscrews.com/searchresults.sc

While you are there pick up some 5-40 x 1 button head spinner screws Wink

SuperDave Fri Aug 26, 2011 10:07 am

[quote="nitros"]if u mean the size its a .49

A point of distinction: An .49 is HUGE compared to an .049 such as our Cox .049's

Also, do you prefer to mount with a bolt or a screw? Although the distinction is somewhat clouded it is important to designate your intent. Will the fastener be sucured by a washer/nut or "screwed" into the mounting surface as one would use a wood screw?

In this context, a "socket head screw" ACTUALLY requires washer/nut. This illustrates is "clouding" that I mentioned.

SuperDave

microflitedude Fri Aug 26, 2011 10:53 am

That looks like a babe bee with a surestart backplate.

nitroairplane Fri Aug 26, 2011 11:02 am

microflitedude wrote:That looks like a babe bee with a surestart backplate.

No it looks like a surestart with a surestart a surestart backplate lol!

microflitedude Fri Aug 26, 2011 11:37 am

nitroairplane wrote:
microflitedude wrote:That looks like a babe bee with a surestart backplate.
No it looks like a surestart with a surestart a surestart backplate

Look at the crankcase - it's trumpet shaped. And it has a No.1 cylinder, both from the early babe bee. The seller said it was from Canada - is it something Bernie is doing?

nitroairplane Fri Aug 26, 2011 11:48 am

Oops i had followed a different link from you.
Yea that is an early babe bee style crankcase and cylinder maybe 1965?

microflitedude Fri Aug 26, 2011 12:08 pm

nitros wrote:actually looking at the pictures now the no1 has no piece of metal in the middle of the exhaust ports but my engine does i think my engine is a no5 here

Oh, woops. Embarassed

Yeah we were looking at different links. He got a surestart,

nitros Fri Aug 26, 2011 12:54 pm

actually i have a sure start (no5) but i bidded for the babe bee (no1) the seller obviosly mixed them up

nitroairplane Fri Aug 26, 2011 1:13 pm

You should let the seller know if you dont want your one and would rather the other as he is obliged to pay for any mistakes he caused.

nitros Sat Aug 27, 2011 4:24 am

i wont because i like the shape of surestarts to babe bees

nitroairplane Sat Aug 27, 2011 5:21 am

nitros wrote:i wont because i like the shape of surestarts to babe bees

Ok but the babe style crankcase will give better performance.

nitros Sat Aug 27, 2011 8:15 am

but currently I will only be running it stationary maybe some time i will get an aeroplane and mount it to fly

I will post a picture of my setup as soon as i can as my prop and fuel tank have come

nitros Sat Aug 27, 2011 9:15 am

here is the photo of my engine (you will have to click on the image to see it all, its bigger for better detail)
mounting an engine P1050612

and heres the photo of the fuel tank layout without the tank to explain
mounting an engine P1050613

sorry if the 1st one is too big (i did select forum size)

nitroairplane Sat Aug 27, 2011 9:23 am

nice but an 8 by 6 prop is a little large Huh...

and watch out that mdf might dissolve it it get too fuel soaked so watch that your engine doesnt fly off lol!

nitros Sat Aug 27, 2011 9:32 am

hopefully it wont get a single drop of fuel on as i've made the tank removable so a can put fuel in the tank, put in the cap with the pipes in (while blocking the air inlet so fuel dosnt get in it) ,plug in the fuel line, turn the tank the right way up, then let go of the air inlet and no fuel spilt

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