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Search: Posts Made By: trumpetman
Showing results 1 to 25 of 25
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Forum: Engine Conversions
05-11-2010, 11:29 PM
Replies: 8
Views: 1,634
Posted By trumpetman

RE: Homebrew muffler options

I am building mine from 1 1\2" or 2" aluminum sguare extruded channel. make it as long as you want and cut exhaust opening to match engine, then place tubing inside to support two bolts clear thru. ...
Forum: Engine Conversions
01-12-2010, 12:46 PM
Replies: 21
Views: 13,167
Posted By trumpetman

RE: Free Degree Wheel

Yes, please. I would love to have one.
Very nice work.
[email protected]

Thanks
Forum: Engine Conversions
10-24-2009, 08:21 PM
Replies: 7
Views: 1,616
Posted By trumpetman

RE: Ryobi backfire problems

I have a Mac 28 that I raised the compression too high on it and it backfired,
predetonated, threw props, etc. I put a . 005 soft aluminum gasket back under
the jug and that cured it. Glow and...
Forum: Engine Conversions
08-21-2009, 11:25 AM
Replies: 2
Views: 1,472
Posted By trumpetman

RE: MAC 28, Sithl FS 56 or Weed eater feather light

I like the Mac 28. I have modded mine by filing the top of
the piston to increase the bypass timing, and filed the exhaust
raised the compression by taking out the gasket. I am running
on...
Forum: Engine Conversions
07-14-2009, 02:23 PM
Replies: 39
Views: 15,963
Posted By trumpetman

RE: Conversion Photos

I love your engine paint job. What did you use for paint ? As soon as I get
some good pictures, I will post mine. Good idea ! a picture is worth .
Forum: Engine Conversions
06-15-2009, 08:35 PM
Replies: 148
Views: 34,018
Posted By trumpetman

RE: Convert GMS 120 glow to Gas

Just to give you a reference for power.  I have a GMS 1.2 on glow and I am getting 9000 rpm on am APC 16/6 and the same
on a 15\8 APC.  this may not be as good as some as I am at 5000 feet in...
Forum: Engine Conversions
05-28-2009, 04:02 PM
Replies: 17
Views: 2,100
Posted By trumpetman

RE: Need a little Ryobi help

I'm confused. It seems to me that if the hub is locked down on the inner race of the front bearing, then the hold bearing has to move aft.
This to me means that the outer surface of the front...
Forum: Engine Conversions
03-26-2009, 07:44 PM
Replies: 2,424
Views: 298,659
Posted By trumpetman

RE: gas fuel with glo plug no ignition

I like E-85 and a 3 oz on board glow. My current fuel cost is: 1.85\gal. E-85 and 1.78 for Cool Power green.
5 oz. for 25:1. You do have to buy a quart (32 oz) for about 11.00. That's 3.68 and...
Forum: Engine Conversions
03-21-2009, 10:42 PM
Replies: 2,424
Views: 298,659
Posted By trumpetman

RE: gas fuel with glo plug no ignition

I am using E-85 with on board glow. Two AA NIMh 1700 mah (ELite rated 20C min) on a
pc board with switch and charger. It will give a very usable glow up to an hour. (using
a KB 1L) the plug...
Forum: Engine Conversions
03-06-2009, 11:00 PM
Replies: 166
Views: 50,153
Posted By trumpetman

RE: I converted a glow engine to run on E85

I have a MAC 28 cc running on E-85 with full time glow (weight 3 oz for batteries). Previous run on
4 % nitro\7% oil syn.\meth I got 8000 rpm with 18\6 apc w. Refilled with E-85 3% oil, no nitro...
Forum: Engine Conversions
02-13-2009, 01:58 PM
Replies: 30
Views: 4,620
Posted By trumpetman

RE: New idea for Gas AND Gas/Glow engine care...

Hello AV8TOR. Just a quick note as to what I have done with Teflon. I am using Meth\3% nitro or E-85 in a MAC 28. Both fuels
were distorting the pump and diapghrams. I found some 5 mil teflon...
Forum: Engine Conversions
01-23-2009, 08:45 PM
Replies: 3
Views: 728
Posted By trumpetman

RE: 21cc gas/glow troubles?

I have a WT-391 on a Mac 28 and had the identical problem. Couldn't seem to solve.
I finally switched the diaphragm gasket to the bottom with the diaphragm on top.
Just reverse them. this gives...
Forum: Engine Conversions
01-20-2009, 05:36 PM
Replies: 2
Views: 750
Posted By trumpetman

RE: glow driver

I mounted two Elite 1700 AA from cheapbatterypacks.com with a switch
and charge jack. Tested to run 50 min. (in parallel) with enough glow
to start. These cells are rated to dump 15-25 amps. ...
Forum: Engine Conversions
01-03-2009, 03:50 PM
Replies: 66
Views: 11,783
Posted By trumpetman

RE: Ryobi differences... Comments??

My only Ryobi conversion had the smooth flow reed backplate and is a short shaft version.
So, it must be the larger backplate. It is not disassembled or I would measure it for you.
As I...
Forum: Engine Conversions
12-29-2008, 11:53 AM
Replies: 22
Views: 16,019
Posted By trumpetman

RE: spark plug compression leak

the teflon pipe tape works great. I have used it several times. Plug comes out easily.
Forum: Engine Conversions
07-05-2008, 03:44 PM
Replies: 6
Views: 1,275
Posted By trumpetman

RE: HOW TO?????

Deadcell. If you have an air compressor. Harbor Freight has a sand blaster for 20.00 bucks.
I got a really nice light gray bead finish using fine sand. It is the way to go.
Forum: Engine Conversions
12-12-2007, 08:49 PM
Replies: 28
Views: 8,237
Posted By trumpetman

RE: 41cc homelite XL-1 gas glow conversion

Still trying to get my picture of the Super EZ 41 cc conversion.
Trying again.
Trumpetman
Forum: Engine Conversions
11-15-2007, 08:40 PM
Replies: 28
Views: 8,237
Posted By trumpetman

RE: 41cc homelite XL-1 gas glow conversion

Shaun, this engine looks identical to the one I just converted to Gas\glow. Mine came from
a Super EZ saw. It measures 41.? CC and has a 4 reed intake. I broke a ring when I took
it down so I...
Forum: Engine Conversions
06-26-2007, 11:15 PM
Replies: 35
Views: 4,906
Posted By trumpetman

RE: Homelite 45 Resurrection

Yes, Ralph. I am going to put it in a Katana (nitro 1.6). I have been
mixing Methenol with Cool Power 4 to 1. This gives me 4 gal with
2.5% nitro, 5% oil and the rest meth. Now a little...
Forum: Engine Conversions
06-17-2007, 07:54 PM
Replies: 35
Views: 4,906
Posted By trumpetman

RE: Homelite 45 Resurrection

I just tore into my chainsaw. A Homelite EZ - 18" .. cleaned off all of the aluminum and
measured the bore\stroke. It measures as a 42 CC (2.5"). Twin rings. compression release
which I...
Forum: Tachometer Readings
05-03-2007, 10:41 PM
Replies: 7
Views: 2,927
Posted By trumpetman

RE: GMS 120

I have 11 flights on my 1.2 GMS. Got it at MECOA with two junkers trade for $80.00.
Best deal I ever made ! Have it on an own design 950 sq. inch wing weighing 8 #.
Really hauls ! I tached...
Forum: Questions and Answers
03-29-2007, 06:05 PM
Replies: 8
Views: 3,135
Posted By trumpetman

RE: BDU Professional High Speed SG5010 servo

I have one sg5010 (from HELI.com). I dismantled it to check quality and found:
1. a very good gear train
2. standard amplifier
3. good pot with 6 fingers 3 on center & 3 on track. also very...
Forum: Tachometer Readings
10-22-2006, 01:15 PM
Replies: 0
Views: 653
Posted By trumpetman

GMS 1.2

I havn't seen a GMS 1.2 yet. I just got one, 1st tank of 10% cool Power, 5000' alt., 78 d. F. , Fox idle bar,
16X6 APC, 9100 RPM. That seems pretty good for this altitude. I don't get the...
Forum: Engine Conversions
12-08-2005, 05:45 PM
Replies: 2,424
Views: 298,659
Posted By trumpetman

RE: gas fuel with glo plug no ignition

Thanks cletis123. It sounds like I won't be doin' torque rolls or hovers, but the cap232 should fly O.K with 13# thrust.
Did you port your Ryobi or anything ? One item of interest is the muffler...
Forum: Engine Conversions
12-05-2005, 09:57 PM
Replies: 2,424
Views: 298,659
Posted By trumpetman

RE: gas fuel with glo plug no ignition

Well, I finally read the entire thread ! Whew. Great ideas. I have been given a cap 232 25% and have installed a
Mac 32 conversion (my own) out of a weed w. I wanted to use glow from the outset...
Showing results 1 to 25 of 25


 
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