Jump to content

Recommended Posts

CMDi & Andy Brown have teamed up with OPS engines.

CMDi will carry the full line of OPS marine and car engines along with OPS pipes and glow plugs (std. & turbo).

Andy Brown is working with OPS and OPS engines to make positive improvements to the full OPS marine line up.

The future of Nitro is looking bright!

 

Stay tuned for details.

post-498-0-09778500-1540389391_thumb.jpg

Edited by Andy Brown

Share this post


Link to post
Share on other sites

Andy are you making a webpage to order at will or just bug ya lol

 

Charlie, For now look us up. When we get well stocked up we will set up online.

Will be testing the new 45 and will post results soon.

Share this post


Link to post
Share on other sites

I am pleased with the first weekend of testing with the new OPS 45. The engine actually runs nicer than I expected. Pulls off the beach strong. Has smooth broad throttle response.
Have run about 3 liters of fuel so far. Ran both 50% and 60%. Did not burn a plug. Head looks like it has not been run. No detonation.I have not got to maximum prop size or shortest pipe length yet. Running the engine stock with only mods to the carb and drum/drive pin clearance adjustment. P/L fit was a little tighter than I am use to so I loosened it up a bit. Not sure I needed to though. It just reduced the break-in time to almost zero. Removed Low speed needle and barrel stop. The hard anodized aluminum carb barrel fits the body perfectly and is super smooth after removing the barrel stop. The engine mills slow and responds quickly. The vibration level is low. The P/L seals great. The bearing/crank fit and alignment are perfect. Drum to housing fit is close yet super smooth. After run tear down looks great. The OPS will be ready for max prop load next test session. I will then post video and performance results. Then will make mods to the engine and bring it to the next level. There will definitely be a new 45 Nitro player on the street!

The future of Nitro is Bright!

OPS 45 SGX 67.jpg

Share this post


Link to post
Share on other sites

Put a few more tanks of 60% through the OPS 45 this weekend.  Worked upward on prop size. Finished up with the biggest prop I took to the lake.  A 1957.

The OPS pulled it off the beach easily. Throttled up and down at will.  Quickly and consistently accelerated to 77 mph.  This is in a 7 pound 67 SGX-2.5.

Used the same plug that I ran last weekend. Head and piston crown look like they have not been run.

After run tear down found all parts looking very good.

Except for the noted adjustments in last week's report, the engine is 100% stock.

The big horse power potential of this OPS 45 looks very promising.

Good boating

Andy

 

Share this post


Link to post
Share on other sites
1 hour ago, Andy Brown said:

Put a few more tanks of 60% through the OPS 45 this weekend.  Worked upward on prop size. Finished up with the biggest prop I took to the lake.  A 1957.

The OPS pulled it off the beach easily. Throttled up and down at will.  Quickly and consistently accelerated to 77 mph.  This is in a 7 pound 67 SGX-2.5.

Used the same plug that I ran last weekend. Head and piston crown look like they have not been run.

After run tear down found all parts looking very good.

Except for the noted adjustments in last week's report, the engine is 100% stock.

The big horse power potential of this OPS 45 looks very promising.

Good boating

Andy

 

That's Awesome...

Share this post


Link to post
Share on other sites
19 hours ago, ALLAN YUEN said:

Hi Andy. Prop OCT 1957 stock or cut down?

Allan,  The 1957 is full diameter. Has a small to medium back cut.

Has a very small tip cup to reduce lift and the T.E pitch is increased a small amount to 5.4" near the tip only.  Stock is 5.0".

This prop drives and handles well and can be used for racing.

 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×