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Search: Posts Made By: Glowgeek
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Forum: Glow Engines
Today, 02:49 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Having trouble getting the rocker shaft screws...

Having trouble getting the rocker shaft screws out of the 180. Even though I heated the cylinder I sheared off the tips of my last two gunsmithing screwdriver tips. Aaaaaargh!!:mad::mad:

This 180...
Forum: Glow Engines
06-02-2020, 03:14 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

I've read a tremendous amount of info on YS...

I've read a tremendous amount of info on YS tuning, theory of operation and troubleshooting so hopefully I can quickly diagnose and fix whatever happens. Having never owned one my confidence level is...
Forum: Glow Engines
06-02-2020, 03:04 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Uuuuuugh, stronger?:p:D:)

Uuuuuugh, stronger?:p:D:)
Forum: Glow Engines
06-02-2020, 01:55 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

I was typing my edit when you posted that Dave....

I was typing my edit when you posted that Dave. And yes, you're correct. I'm fresh out of fa120's though and don't plan to buy one. Never say never though.
Forum: Glow Engines
06-02-2020, 12:18 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Don't have any 10%. Thought I'd try them on 15%,...

Don't have any 10%. Thought I'd try them on 15%, 20% and 30%.

SHOOTOUT!!!

EDIT: Whoops, I meant to say I'd test the YS91 against the FA115, not the FA100. Testing it against an FA100 would be...
Forum: Glow Engines
06-02-2020, 04:49 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Dang, that sounds terrible Mike. Get well soon...

Dang, that sounds terrible Mike. Get well soon brother, you're needed.
Forum: Glow Engines
06-02-2020, 04:24 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

YS F91AC is on its way to me. It'll be...

YS F91AC is on its way to me. It'll be interesting to clean up and play with. I wonder how it will stack up against my Saito 100.
Forum: Glow Engines
06-01-2020, 06:06 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

A week?! All that work would take me a month....

A week?! All that work would take me a month. Rare that I get a full 2 hrs. at a time to work on fun stuff.
Forum: Glow Engines
06-01-2020, 01:29 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Bwahaaahaaa! I guess I set myself up for...

Bwahaaahaaa!

I guess I set myself up for that one.:rolleyes:
Forum: Glow Engines
06-01-2020, 04:53 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

HELP! The badge fell off my 125 while I was...

HELP!

The badge fell off my 125 while I was doing those test runs, can't find it anywhere.

Its a long shot, but does anyone have a busted 125 case that I can have the badge from?
Forum: Glow Engines
06-01-2020, 04:49 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

I recall you posting that tool before. Easy to...

I recall you posting that tool before. Easy to make with materials most modellers have on hand.

I'll be making a larger tapered metal rod for my 180 cam indexing. Bearings and valve springs should...
Forum: Glow Engines
05-31-2020, 04:18 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

For indexing the cam I use a 4mm metal pin with a...

For indexing the cam I use a 4mm metal pin with a taper on one end to engage the alignment hole on the intake lobe. It acts as go-no go gauge as well. If it feels tight in the tappet bore at all I...
Forum: Glow Engines
05-31-2020, 03:12 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

https://www.masterairscrew.com/collections/3-blade...

https://www.masterairscrew.com/collections/3-blade?page=2

The MA 13x8 3B should work well on an fa100. Should peak around 9400.
Forum: Glow Engines
05-31-2020, 09:40 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Do you know the trick where you use a business...

Do you know the trick where you use a business card to hold the cam indexed while reassembling?
Forum: Glow Engines
05-30-2020, 03:31 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Yep, two crank throws on that one and it uses a...

Yep, two crank throws on that one and it uses a single camshaft; the one I posted a pic of earlier.

Very nice engine Dave. That Jet bandsaw is pretty handy to have around, huh?
Forum: Glow Engines
05-30-2020, 02:26 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

True, good point acdii.

True, good point acdii.
Forum: Glow Engines
05-30-2020, 07:15 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Also consider that the cams are spinning opposite...

Also consider that the cams are spinning opposite directions, so the opening and closing sides of the lobes are reversed as well. I have not seen an actual full camshaft profile yet so there is no...
Forum: Glow Engines
05-30-2020, 06:09 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

https://www.rcuniverse.com/forum/glow-engines/6532...

https://www.rcuniverse.com/forum/glow-engines/6532692-old-saito-90-twin-timing-problem-print.html


No fires started here Aaron, Dave and I are just sharing thoughts.
Forum: Glow Engines
05-30-2020, 04:57 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Nevertheless, having different lobe separation...

Nevertheless, having different lobe separation angles between left and right cams as seen in the 90T is not the norm for multicylinder engines. There's some monkey business going on with that left...
Forum: Glow Engines
05-29-2020, 02:10 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

That would seem physically impossible.:eek: ...

That would seem physically impossible.:eek:

Looking at the images of the 90T cams the difference in lobe separation angles is readily apparent and large. Small changes in LSA doesn't always...
Forum: Glow Engines
05-29-2020, 05:18 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

I won't argue that running the engine promotes...

I won't argue that running the engine promotes valve spring fatigue. Sure it does, especially if the engine is constantly over revved (harmonics) and/or run very hot (annealling), but so does leaving...
Forum: Glow Engines
05-29-2020, 04:18 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Got the fa180 all cleaned up and ready for the...

Got the fa180 all cleaned up and ready for the new bearings. This one, like a few others I've seen, has a collapsed exhaust valve spring. Obviously another case of the engine being stored long term...
Forum: Glow Engines
05-29-2020, 04:03 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Wow, that left cam is an eye opener for me! ...

Wow, that left cam is an eye opener for me!

With those lobes having virtually no overlap how can the left cylinder run with the same efficiency as the right cylinder? I'm stumped, never seen that...
Forum: Glow Engines
05-28-2020, 02:28 PM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

I'm not sure, that's why I asked about the little...

I'm not sure, that's why I asked about the little teflon pad on the end of the cam pin.

So the cam pin should be long enough to be flush with the front and rear of the cam housing on a 180a? Mine...
Forum: Glow Engines
05-28-2020, 04:02 AM
Replies: 46,479
Views: 2,598,360
Posted By Glowgeek

Dave?

Dave?
Showing results 1 to 25 of 500
 


 
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