RCU Forums - Search Results
RCU Forums

Go Back  RCU Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Community
Calendar
Today's Posts
Search
Vendor Directory
Notices
Search: Posts Made By: dodgers72
Showing results 1 to 12 of 12
Search took 0.01 seconds.
Forum: Gas Engines
04-16-2024, 05:50 PM
Replies: 303
Views: 54,592
Posted By dodgers72

I bought my 50cc to put in a Phoenix 20cc...

I bought my 50cc to put in a Phoenix 20cc Corsair. I plan on putting a single cylinder engine of equal power or slightly less than the 7-50 for the maiden and first couple of flights. I don't want...
Forum: Gas Engines
04-15-2024, 02:24 PM
Replies: 303
Views: 54,592
Posted By dodgers72

50cc 7 cylinder

Well I finally think the bugs are worked out on the 7-50 and it's ready to be mounted on my 30cc Ultra Stick.
Hopefully this link works , this was recorded today.
https://youtu.be/QBet_BA9ffc
Forum: Gas Engines
04-12-2024, 06:29 PM
Replies: 303
Views: 54,592
Posted By dodgers72

7-50cc update

I got some more runs in today totaling more than 1-1/2 gallons through it so far. It seems either the plugs are a problem or the plugs during break-in are fowling out. Either way it is definitely a...
Forum: Gas Engines
04-09-2024, 07:16 PM
Replies: 303
Views: 54,592
Posted By dodgers72

UMS 7-50cc update

So , shortly after my last post the 7-50 started having some problems. On the early runs it could idle comfortably at 1500rpm and 6300rpm at the top with a Turnigy 18x10. I switched to a 20x10 MA...
Forum: Gas Engines
03-22-2024, 03:20 PM
Replies: 303
Views: 54,592
Posted By dodgers72

Prior to very first run UMS7-50

Before the very first run I oiled the valve train liberally inside & out. I also checked the valve lash with the included .05mm gauge included, there is no .1mm. During this check ,on two cylinders...
Forum: Gas Engines
03-22-2024, 02:43 PM
Replies: 303
Views: 54,592
Posted By dodgers72

Did the carb barrel on your 55 have 100% travel...

Did the carb barrel on your 55 have 100% travel at full throttle? Mine only opens to about 80%.


Chris
Forum: Gas Engines
03-22-2024, 01:01 PM
Replies: 303
Views: 54,592
Posted By dodgers72

I'm not sure what kind of problems the other guys...

I'm not sure what kind of problems the other guys were having with theirs but for now mine shows no signs of any problems after 20+ozs of fuel.



Regards,
Chris
Forum: Gas Engines
03-22-2024, 12:55 PM
Replies: 303
Views: 54,592
Posted By dodgers72

Got 3 more runs in today and the only way I could...

Got 3 more runs in today and the only way I could be happier is if it had the roar of it's bigger siblings. The 18-10 is not enough prop so I switched to a MA Classic 20x10. It can idle down to...
Forum: Gas Engines
03-21-2024, 02:42 PM
Replies: 303
Views: 54,592
Posted By dodgers72

First Run 7-50cc Success!!

Got the 7-50 set up on the stand today and was able to run about 14oz through it.

Turnigy 18-10
Echo Power Blend Gold Semi Synthetic 25:1
Turnigy 7.4 3600mAh 2S lipo
HS needle 1-3/4 open
LS...
Forum: Gas Engines
03-18-2024, 04:45 PM
Replies: 303
Views: 54,592
Posted By dodgers72

Speaking with Adrian at CH ignitions last week he...

Speaking with Adrian at CH ignitions last week he said I could run an exhaust pressure line to the fuel tank for the 7-50. Has anyone done this as it doesn't state this in the manual?

Most of my...
Forum: Gas Engines
03-17-2024, 06:01 AM
Replies: 303
Views: 54,592
Posted By dodgers72

Evolution 7-35 vs UMS 5-55

Maxam , I've been reading through the thread you started in 2011 "UMS Evolution Radial Care and Operation" and with you having experience with both 7-35 & 5-55 are they similar in build?

Are the...
Forum: Gas Engines
03-16-2024, 07:02 AM
Replies: 303
Views: 54,592
Posted By dodgers72

7Cyl 50cc

I recently bought a 7-50 from Adrian @ CH Ignitions. Even after reading about it's problems I purchased due to size restrictions. This is my first radial and will be testing it on the stand this...
Showing results 1 to 12 of 12


 
Forum Jump

Contact Us - Manage Preferences - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service -

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.