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Search: Posts Made By: 1967brutus
Showing results 1 to 18 of 18
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Forum: Gas Engines
11-20-2023, 06:53 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

I would not do that if I could give my 2 cents....

I would not do that if I could give my 2 cents. My experience with additional inline filters in small gassers is that sooner or later larger bubbles of vapour collect in the filtercasing, releasing...
Forum: Gas Engines
04-06-2023, 09:22 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Yes, you are right, I should have specified...

Yes, you are right, I should have specified "mixture-lubricated".

If the discussion is about sump-lubricated engines, then sure, overfilling WILL kill an engine, and in lots of different possible...
Forum: Gas Engines
04-05-2023, 02:28 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

TBH, I have never seen an engine that failed due...

TBH, I have never seen an engine that failed due to too much oil...

Needle bearing-conrods can have an issue with overlubrication, but other than that, there is no such thing as "too much oil"...
Forum: Gas Engines
04-05-2023, 12:49 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Aehm... no... it does NOT mean that... ...

Aehm... no... it does NOT mean that...

Better lubrication just means better lubrication, it does NOT mean "you can use less oil".
That kind of reasoning is similar to "I wear my seatbelts,...
Forum: Gas Engines
12-12-2022, 05:30 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Dang! It is not that you did not have any...

Dang! It is not that you did not have any confidence in that engine, doing a roll straight after take-off...

Unfortunately the station I am on does not have sound, so I have to wait until after...
Forum: Gas Engines
12-11-2022, 05:26 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Got any vids of it running or flying? Would be...

Got any vids of it running or flying? Would be cool!
Forum: Gas Engines
12-10-2022, 04:44 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Wow.... That's pretty too! <3

Wow.... That's pretty too! <3
Forum: Gas Engines
12-09-2022, 03:47 PM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Thanks! That was literally a 6 hour session...

Thanks!

That was literally a 6 hour session of cutting individual scraps of Balsa to size as I went along, together with some quick setting Aliphatic. But the end result was that in flight, the...
Forum: Gas Engines
12-09-2022, 06:02 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

My baffle was a lot more complicated to build... ...

My baffle was a lot more complicated to build...

https://www.modelbouwforum.nl/attachments/20210313_214843-1-jpg.428046/

https://www.modelbouwforum.nl/attachments/20210314_143002-1-jpg.428222/...
Forum: Gas Engines
11-01-2021, 05:04 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Yeah, but mind you, that's on an ASP 400 AR, no...

Yeah, but mind you, that's on an ASP 400 AR, no guarantee something like that can be made to work in a Saito.

I did not intend to offer it as a solution for the Saito per se, rather as an example...
Forum: Gas Engines
10-31-2021, 11:03 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

All I did was drill a few tiny holes in the carb...

All I did was drill a few tiny holes in the carb connection elbow of my ASP to get the cylinders within 10~15 deg C of each other...
2271042
I believe I paid 3 bucks for the tiny Dremel drill set,...
Forum: Gas Engines
10-31-2021, 08:55 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

That looks pretty acceptable to me.

That looks pretty acceptable to me.
Forum: Gas Engines
10-31-2021, 06:58 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Ah, OK... that was the description I was looking...

Ah, OK... that was the description I was looking for. Not very exact, because it depends on the skin of your fingertips, but I would indeed estimate it to be in that range.
Forum: Gas Engines
10-31-2021, 06:48 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Define "touchable"... if they really are...

Define "touchable"... if they really are touchable, that is rather "cold" to my taste. I prefer my gasoline engines to run between 80 and 120 degrees C. Below that is too cold for my taste.
If I can...
Forum: Gas Engines
10-29-2021, 06:59 PM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Stock OEM is always good...

Stock OEM is always good...
Forum: Gas Engines
10-29-2021, 12:51 PM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

Several ways to calculate that, but easiest is...

Several ways to calculate that, but easiest is simply filling in the propsize and the two RPM's in any propcalculator. The exact values may differ a bit, but the 10% is "fixed" because it is in...
Forum: Gas Engines
10-29-2021, 11:37 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

10%... 0,4 hp down, from 4 hp down to 3,6

10%... 0,4 hp down, from 4 hp down to 3,6
Forum: Gas Engines
10-27-2021, 11:06 AM
Replies: 2,806
Views: 711,706
Posted By 1967brutus

That kind of difference (0,4 mm on a 20 cc...

That kind of difference (0,4 mm on a 20 cc cylindersize) results in noticably lower power output.
I could allready see (measure with digital tacho) a difference of 0,1 mm on a 30 cc cylinder.
Showing results 1 to 18 of 18


 
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