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valve and guide clarification

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Dick Eastman
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Posts: 273
Joined: Tue Aug 02, 2011 8:27 pm
Location: Troy Ohio

Post by Dick Eastman » Tue Apr 12, 2016 12:21 pm

LOUD MOUSE wrote:I wondered about taking up the slack after the cutting.
Aren't you happy you have the training.
I found the bomber.
Lots of other good airplane info there also. ............lm

Some of my training was from SHKU [School of Hard Knocks University]!
The factory spring seats have a small c'bore on the bottom to retain/clear the guide clip wire - I may have to cut a small 45 chamfer in the head to drop the wire down a little, and turn up shims for under the spring seat that will fit close on the guide - will serve same purpose as c'bore in spring seat; it all depends on how much further valves drop down in head.
The Barling bomber was certainly massive - quite impressive for 1924 - I need to look up specs on it.

modelman
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Posts: 222
Joined: Wed Jun 24, 2015 2:27 am
Location: Yorkshire, UK
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Post by modelman » Sat Apr 23, 2016 8:16 am

Dick Eastman wrote:I sure see a lot of MC folks that were big into model aircraft in their youth! lm sounds like you were seriously into flying/racing models! And off-road, as well! I can tell by your posts that you are certainly an experienced veteran. Super Tigres were the HOT engine to own - I have only one in my collection, a .35C, and bought in 1965 for $12.98, alot of money then for a 15 yr old; in comparison, my McCoy Red Head .35 was $5.95 - flew that in a Sterling RingMaster, and then in a CG Shoestring Stunter. Never competed, but every wkend at the ball field. Got into 1/2A free flight, too. I still want to add a Holland Hornet to my collection, as well as a Johnson. I have a Dynajet Redhead pulse jet engine, and an M.E.W. 307 pulse jet engine, and my latest is a U.K. manufactured Wren 80 Jubilee turbine - idles at 50,000, and maxes at 165,000 rpm, 8 kg of thrust. I'm presently building a Tony Nijhuis [U.K.] DeHaviland DH 100 FB9 Vampire for it, 78" ws. There's just not enough hours in a day...
Like you say, Graham, if it burns fuel, makes noise, and smells, I'm into it! A miniature Laverda SF? That would be too cool! I'll look that up, as I haven't seen one of those for years.
Attachments
A coincidence, I too am a modelmaker & manufacturer, & WREN TURBINES are a mile or so from me, & only last summer they had an 'open-day', very interesting to see how they make them, here are few pics.
A coincidence, I too am a modelmaker & manufacturer, & WREN TURBINES are a mile or so from me, & only last summer they had an 'open-day', very interesting to see how they make them, here are few pics.
WrenTurbine.jpg (216.32 KiB) Viewed 2570 times
GSX1400 Red/silver
GSX1400 Blue
GS1000G
Brockhouse Corgi
CB77
CA77
T140
BSA 250

I DO have to grow old, I DO NOT have to grow up.

LOUD MOUSE
honda305.com Member
Posts: 7817
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Post by LOUD MOUSE » Sat Apr 23, 2016 9:06 am

Must be awesome to watch. ................lm
modelman wrote:
Dick Eastman wrote:I sure see a lot of MC folks that were big into model aircraft in their youth! lm sounds like you were seriously into flying/racing models! And off-road, as well! I can tell by your posts that you are certainly an experienced veteran. Super Tigres were the HOT engine to own - I have only one in my collection, a .35C, and bought in 1965 for $12.98, alot of money then for a 15 yr old; in comparison, my McCoy Red Head .35 was $5.95 - flew that in a Sterling RingMaster, and then in a CG Shoestring Stunter. Never competed, but every wkend at the ball field. Got into 1/2A free flight, too. I still want to add a Holland Hornet to my collection, as well as a Johnson. I have a Dynajet Redhead pulse jet engine, and an M.E.W. 307 pulse jet engine, and my latest is a U.K. manufactured Wren 80 Jubilee turbine - idles at 50,000, and maxes at 165,000 rpm, 8 kg of thrust. I'm presently building a Tony Nijhuis [U.K.] DeHaviland DH 100 FB9 Vampire for it, 78" ws. There's just not enough hours in a day...
Like you say, Graham, if it burns fuel, makes noise, and smells, I'm into it! A miniature Laverda SF? That would be too cool! I'll look that up, as I haven't seen one of those for years.

Dick Eastman
honda305.com Member
Posts: 273
Joined: Tue Aug 02, 2011 8:27 pm
Location: Troy Ohio

Post by Dick Eastman » Mon Apr 25, 2016 3:51 pm

Thanks for sharing, modelman!
The USA distributor for Wren is near Wren Ohio, about an hour from me.
A pic of my Jubilee 80, and the Vampire fuselage under construction:
Attachments
,Wren 80 001 (Medium).jpg
,Wren 80 001 (Medium).jpg (58.68 KiB) Viewed 2486 times
,Wren 80 003 (Medium).jpg
,Wren 80 003 (Medium).jpg (48.19 KiB) Viewed 2486 times

Dick Eastman
honda305.com Member
Posts: 273
Joined: Tue Aug 02, 2011 8:27 pm
Location: Troy Ohio

Post by Dick Eastman » Mon Apr 25, 2016 3:58 pm

Been working on the head, polishing and cleaning up the casting - still need to mask off and bead blast, then a thorough cleaning, install guides and cut seats
Attachments
Honda 305 head, polished 001 (Medium).jpg
Honda 305 head, polished 001 (Medium).jpg (43.31 KiB) Viewed 2477 times
Honda 305 head, polished 002 (Medium).jpg
Honda 305 head, polished 002 (Medium).jpg (59.11 KiB) Viewed 2477 times
Honda 305 head, polished 003 (Medium).jpg
Honda 305 head, polished 003 (Medium).jpg (63 KiB) Viewed 2477 times
Honda 305 head, polished 004 (Medium).jpg
Honda 305 head, polished 004 (Medium).jpg (76.12 KiB) Viewed 2477 times

Dick Eastman
honda305.com Member
Posts: 273
Joined: Tue Aug 02, 2011 8:27 pm
Location: Troy Ohio

Post by Dick Eastman » Mon Apr 25, 2016 4:01 pm

Some more pics:
Attachments
,305 head, polished 002 (Medium).jpg
,305 head, polished 002 (Medium).jpg (42.14 KiB) Viewed 2433 times
,305 head, polished 001 (Medium).jpg
,305 head, polished 001 (Medium).jpg (49.58 KiB) Viewed 2434 times
Honda 305 head, polished 005 (Medium).jpg
Honda 305 head, polished 005 (Medium).jpg (61.11 KiB) Viewed 2468 times

modelman
honda305.com Member
Posts: 222
Joined: Wed Jun 24, 2015 2:27 am
Location: Yorkshire, UK
Contact:

Post by modelman » Wed Apr 27, 2016 2:22 am

You guys (& gals) are making these old bikes better than when they rolled off the production line!!

Its a real pleasure to look at your projects.
GSX1400 Red/silver
GSX1400 Blue
GS1000G
Brockhouse Corgi
CB77
CA77
T140
BSA 250

I DO have to grow old, I DO NOT have to grow up.

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