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: EQ1
Showing results 1 to 25 of 25
Search took 0.04 seconds.
Forum: Glow Engines
10-27-2018, 07:33 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Mary, found your socks. Thanks!

Mary, found your socks. Thanks!
Forum: Glow Engines
01-31-2018, 07:20 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Concerning the distribution of UMS engines in...

Concerning the distribution of UMS engines in Germany/Europe by Tomahawk Aviation: I asked them about the availability of these engines and they told me, that they are never on stock and just ordered...
Forum: Glow Engines
01-26-2018, 07:12 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Let me say: UMS has really good customer care. I...

Let me say: UMS has really good customer care. I had the problem of a brocken backplate of an EVO160 after a crash. Mr Ramaraj from UMS (you will find the link to him in the history of this thread)...
Forum: Glow Engines
12-27-2017, 05:49 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Tom, could you please explain, why bolts rather...

Tom, could you please explain, why bolts rather than screws will be better with repect to leakage? As an engineer I would say that the pressure between the connected parts, put on to the gasket, will...
Forum: Glow Engines
12-12-2017, 02:10 PM
Replies: 2,647
Views: 522,693
Posted By EQ1

Well, looks like there are some things going on...

Well, looks like there are some things going on at UMS. I had contact to them and they are not selling their engines through Horizon since some time. In Germany the distributor is Tomahawk Aviation...
Forum: Glow Engines
06-30-2017, 05:24 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Yes, it will most probably overrev. Why not...

Yes, it will most probably overrev. Why not increase the pitch? This will give you more max. speed, but you could always thottle down. I am using a 24x12 on my Wedell-Williams and the engine is...
Forum: Glow Engines
03-04-2015, 11:13 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Straightening the crankshaft

(deleted)
Forum: Glow Engines
05-23-2014, 08:48 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Lars, what you describe as "sounding tired" is a...

Lars, what you describe as "sounding tired" is a lack of thrust at higher speeds. Your 8" pitch at 6200 rpm yields a pitch speed of around 47mph, which is really low. Just try a higher prop pitch,...
Forum: Glow Engines
10-12-2013, 11:35 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Looks like you are getting to the point, redball....

Looks like you are getting to the point, redball. It is my intuition that we should stick to castor, although knowing about the problems with four-cycle engines and their tight valve guides. As a...
Forum: Glow Engines
10-12-2013, 09:32 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Tom, sure, taking care of the engines is a good...

Tom, sure, taking care of the engines is a good idea, but the amount that you dedicate is not acceptable from my standpoint of view. In over 37 years that I have experience with a variety of model...
Forum: Glow Engines
10-12-2013, 07:01 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Yes, we know. But this does by far not explain, ...

Yes, we know. But this does by far not explain, why the mentioned radials are much, much more prone to corrosion than the single cylinders from the same manufacturers. Corrosion "overnight", and...
Forum: Glow Engines
10-11-2013, 02:10 PM
Replies: 2,647
Views: 522,693
Posted By EQ1

That would be the most difficult thing I believe....

That would be the most difficult thing I believe. But maybe we can rule some causes out by just reasoning. Let's take the facts together and see what happens:

- people report rapid corrosion,...
Forum: Glow Engines
10-11-2013, 01:23 PM
Replies: 2,647
Views: 522,693
Posted By EQ1

Mine seem to be uncoated ... So, as you say...

Mine seem to be uncoated ... So, as you say there exists some kind of galvanic process between steel and aluminum?
Forum: Glow Engines
10-11-2013, 12:32 PM
Replies: 2,647
Views: 522,693
Posted By EQ1

Yes, sure. I had let change the tires on my...

Yes, sure. I had let change the tires on my aluminum wheels last year, they were balanced using steel weights (I didn't notice). This spring they started to leak and after taking them down it became...
Forum: Glow Engines
10-11-2013, 10:07 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Nice to hear that you are an expert, seriously....

Nice to hear that you are an expert, seriously. In order to help us to understand what is going on, can you explain what happened to my wheels from the chemists point of view? That happened with...
Forum: Glow Engines
10-11-2013, 09:17 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Redball, the point to focus on is not pure...

Redball, the point to focus on is not pure stainless steel (with more or less proneness to corrosion), but on the mixture of components and electrolytic reactions due to different valencies. So the...
Forum: Glow Engines
10-11-2013, 06:35 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

Well, as always: it depends. Stainless is no...

Well, as always: it depends. Stainless is no synonym for "rustless". Depending on the alloys you get steel that is more or less prone to rust. With regard to what has been guessed: There may be some...
Forum: Glow Engines
10-11-2013, 03:59 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

This is by far one of the best theories I've...

This is by far one of the best theories I've heard on this subject and explains a lot of the problems with corrosion. Next step should be to identify the parts which need to be replaced. If anyone...
Forum: Glow Engines
06-13-2013, 11:05 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

RE: UMS Evolution Radial Care and Operation

Hi Lars!

Thanks for sharing your experience. I am about to disassemble my engine, because of the strange "clonk" noise every eighth revolution. It runs OK so far (havinh 1.5 liters through) and...
Forum: Glow Engines
06-12-2013, 02:00 PM
Replies: 2,647
Views: 522,693
Posted By EQ1

RE: UMS Evolution Radial Care and Operation

Nice and interesting pictures! Can you tell how you removed the front cover incl. crankshaft?I tried on my 9-99 and gave up, because it was very tight and I was afraid to break something due to not...
Forum: Glow Engines
04-24-2013, 07:14 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

RE: UMS Evolution Radial Care and Operation

Hello!As promised I would like to give a feedback about the unusual noise in my EVO 9-99. I talked to a support guy at Horizon in Germany and he said they are not servicing the engines themself, but...
Forum: Glow Engines
03-29-2013, 05:44 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

RE: UMS Evolution Radial Care and Operation

But wait: maybe I should open the engine and see what the problem is. I have a lot of experience in engine dismantling, even large ones from cars, so it should be no problem. Removing the front from...
Forum: Glow Engines
03-29-2013, 05:39 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

RE: UMS Evolution Radial Care and Operation

Thanks for your suggestions. Yes, I was also thinking of sending it back, but I am so eager to let it run and hear the sound. Looks like this sound is not usual and to be on the save side I think of...
Forum: Glow Engines
03-29-2013, 04:42 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

RE: UMS Evolution Radial Care and Operation

No, it was before beginning to adjust the valves and the factory setting showed very much clearance in the range of .025 mm compaired to the .01 which is stated in the manual (checked on several...
Forum: Glow Engines
03-29-2013, 02:57 AM
Replies: 2,647
Views: 522,693
Posted By EQ1

RE: UMS Evolution Radial Care and Operation

Hello everybody! Hope you enjoy the easter days!

Being new to this thread I'd like to introduce myself briefly. I have been building an flying model airplanes for 36 years now, with the main...
Showing results 1 to 25 of 25


 
Forum Jump

Contact Us - 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.