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Search: Posts Made By: BobV1700
Showing results 1 to 25 of 54
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Forum: Gas Engines
10-01-2015, 02:15 PM
Replies: 10
Views: 1,318
Posted By BobV1700

Thank you Cardfan, Bob V

Thank you Cardfan,

Bob V
Forum: Gas Engines
09-29-2015, 01:41 AM
Replies: 10
Views: 1,318
Posted By BobV1700

Thanks all, appreciated. A few things to look at,...

Thanks all, appreciated. A few things to look at, I'll get back to you shortly with any improvements .

Bob V
Forum: Gas Engines
09-28-2015, 12:21 PM
Replies: 10
Views: 1,318
Posted By BobV1700

Thanks Matt, I'll try the extensions and...

Thanks Matt,

I'll try the extensions and suggested needle settings,

regards Bob V
Forum: Gas Engines
09-26-2015, 10:40 AM
Replies: 10
Views: 1,318
Posted By BobV1700

Lifer, The 'stock' needle settings as per...

Lifer,

The 'stock' needle settings as per manufacturer recommendations are 1.50 (turn/ minutes o'clock) for low needle and 1 .10 for high needle. I leaned the bottom out today to about 1.45, but...
Forum: Gas Engines
09-25-2015, 10:54 AM
Replies: 10
Views: 1,318
Posted By BobV1700

MVVS 35cc, large amount of thick black oil residue.

I have an MVVS 35cc and a OS 33cc GT with very similar running hours, both run great with few problems. However, I find that MVVS produces significantly more exhaust residue than the OS. I run both...
Forum: Electric Pattern Aircraft
02-17-2015, 02:14 AM
Replies: 136
Views: 33,533
Posted By BobV1700

Build progressing Mark.....Thanks, Bob.

Build progressing Mark.....Thanks, Bob.
Forum: Electric Pattern Aircraft
02-16-2015, 02:19 PM
Replies: 136
Views: 33,533
Posted By BobV1700

Can anyone help with the location of the c of g...

Can anyone help with the location of the c of g for the Pentathlon Evo please?. I'm currently building a Pentathlon and hoping to power it with the OS 33GT.

Many thanks Bob V
Forum: YS Engines Support
07-24-2014, 12:15 PM
Replies: 11
Views: 1,103
Posted By BobV1700

Just to update this thread, I've now managed to...

Just to update this thread, I've now managed to get the engine running properly again and am almost certain that the problem all along was caused by the leaky valve cover which was allowing air into...
Forum: YS Engines Support
06-23-2014, 10:56 PM
Replies: 11
Views: 1,103
Posted By BobV1700

As far as I can tell Dave everything went back...

As far as I can tell Dave everything went back together as per normal, there are only a couple of critical items to speak of, the two timing marks which essentially are 6 and 12, and setting them at...
Forum: YS Engines Support
06-23-2014, 01:52 PM
Replies: 11
Views: 1,103
Posted By BobV1700

Dave, I have now put everything back...

Dave,

I have now put everything back together again found nothing obvious to report. The bearings are good, the conrod as new with both ends showing no wear on the bushings, the cylinder is...
Forum: YS Engines Support
06-20-2014, 11:59 PM
Replies: 11
Views: 1,103
Posted By BobV1700

Dave, Prior to stripping down I did indeed...

Dave,

Prior to stripping down I did indeed check the regulator and assembly as you suggested, it appeared to be fine with no blockage, and was fitted correctly. The rocker arms and push rods...
Forum: YS Engines Support
06-20-2014, 08:37 AM
Replies: 11
Views: 1,103
Posted By BobV1700

Dave, Stripped the engine right down to...

Dave,

Stripped the engine right down to parts except for the valve's and springs/tiny clips, which appear to be fine with little carbon build up, seats look good and same spring compression both...
Forum: YS Engines Support
06-17-2014, 02:32 AM
Replies: 11
Views: 1,103
Posted By BobV1700

Thanks Dave. The fuel lines, clunk, filter and...

Thanks Dave. The fuel lines, clunk, filter and return valves, regulator set just in from flush, and fuel appears to be flowing properly into carb. Stripped carburettor down last night and found...
Forum: YS Engines Support
06-12-2014, 01:36 PM
Replies: 11
Views: 1,103
Posted By BobV1700

YS110s no response to throttle.

Anyone help with this one please. My 110s had been stored for about 8 months after airframe problems which I recently repaired. Anticipating possible sticky carb or regulator problems I bench ran...
Forum: Gas Engines
04-16-2014, 07:01 AM
Replies: 0
Views: 1,032
Posted By BobV1700

Air filter for OS 33GT?

I'm thinking of fitting an air filter to my OS 33GT, would anyone recommend a particular brand or fitting please?


thanks Bob V
Forum: Gas Engines
08-19-2013, 02:59 AM
Replies: 3
Views: 506
Posted By BobV1700

Thanks Mark...........

Thanks Mark...........
Forum: Gas Engines
08-18-2013, 01:46 PM
Replies: 3
Views: 506
Posted By BobV1700

mounting 35cc gas engine

Would 5 mil blind nuts be ok for mounting a OS 33 GT to 8 mil plywood firewall please?

thanks for any input, Bob
Forum: RC Pattern Flying
09-27-2012, 03:03 AM
Replies: 8
Views: 1,383
Posted By BobV1700

RE: Kyosho Osmose datum line..?

Thanks gents...........its all helping. <div>David.........Regarding the longeron/datum line the change in trim color (as above) seems to follow the point you make as well.<div>Thinn.........Based on...
Forum: RC Pattern Flying
09-26-2012, 09:55 AM
Replies: 8
Views: 1,383
Posted By BobV1700

RE: Kyosho Osmose datum line..?

Thanks David..........I suspect yes.<div>
</div><div>
</div><div>Regards Bob V</div>
Forum: RC Pattern Flying
09-26-2012, 07:08 AM
Replies: 8
Views: 1,383
Posted By BobV1700

RE: Kyosho Osmose datum line..?

Teo.....<div>
</div><div>Thanks for that. How would I ascertain the fuselage datum line without plans? I suspect that the fuselage covering trim line will run parallel to it as the change in...
Forum: RC Pattern Flying
09-25-2012, 11:50 AM
Replies: 8
Views: 1,383
Posted By BobV1700

Kyosho Osmose datum line..?

I'd appreciate any thoughts on this one............Due to the engine quitting just after take off I ended up tip stalling my Kyosho Osmose whilst trying to avoid the usual obstacles. The resultant...
Forum: Gas Engines
09-24-2012, 05:00 AM
Replies: 1
Views: 1,066
Posted By BobV1700

Evolution 40cc Walbro carb details.

Anyone know the actual Walbro carb reference number for the Evolution 40cc gas engine, possibly WT 561 or similar?

Thanks Bob V<br type="_moz" />
Forum: MVVS Support
09-14-2012, 02:50 AM
Replies: 2
Views: 2,463
Posted By BobV1700

Exhaust residue.....

I have a 35cc MVVS gas engine that's only had about 4 hrs running in total and is still slighlty rich. I'm using a 1:40 oil/petrol ratio and the engine appears to be running well but the exhaust...
Forum: Glow Engines
08-21-2012, 08:07 AM
Replies: 54,811
Views: 5,382,270
Posted By BobV1700

RE: Welcome to Club SAITO !

Saito 82a replacement bearings.......................<div>
</div><div>My 82a is starting to feel a little rough and I suspect that the rear bearing needs replacing, and was thinking I might replace...
Forum: Gas Engines
04-13-2012, 09:05 AM
Replies: 1
Views: 508
Posted By BobV1700

converting YS 160 or 170's from glo to gass?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">Does anyone have any experience of converting a YS from glo to gas? Given the price of decent 20/20...
Showing results 1 to 25 of 54
 
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