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Search: Posts Made By: bobnoffs
Forum: RV-12/RV-12iS 09-17-2021, 03:11 PM
Replies: 9
Views: 1,042
Posted By bobnoffs
356 is about right on for what to expect.

356 is about right on for what to expect.
Forum: RV-12/RV-12iS 09-17-2021, 04:07 AM
Replies: 9
Views: 1,042
Posted By bobnoffs
i talked to builders support at van's. he...

i talked to builders support at van's. he couldn't definitely say yes to the tail tiedown as they never tried pulling in an aft direction. for sure the main gear is ok, i would put the ropes as close...
Forum: RV General Discussion/News 09-16-2021, 04:38 AM
Replies: 10
Views: 479
Posted By bobnoffs
the scale method is about as painless as it...

the scale method is about as painless as it gets.for sure it will slowly cure at any temp you can keep it.
Forum: RV-12/RV-12iS 09-11-2021, 04:39 AM
Replies: 9
Views: 1,042
Posted By bobnoffs
i guess that is my big question...........is the...

i guess that is my big question...........is the airplane robust enough to take 400 lbs pull on that eyelet in the aft tailcone without any damage ?
Forum: RV-12/RV-12iS 09-10-2021, 01:33 PM
Replies: 9
Views: 1,042
Posted By bobnoffs
prop testing

i have a honda in my 12 and would feel much better about first flight if i had tested how hard my prop is pulling. does anyone have a good procedure to anchor the plane while the prop is pulling wide...
Forum: RV Building Tips/Techniques 08-29-2021, 08:05 AM
Replies: 15
Views: 2,447
Posted By bobnoffs
not trying to be contrary or a thread grabber but...

not trying to be contrary or a thread grabber but honestly, why use snips if a bandsaw is available? 2 builds and i don't think i cut 2' with snips.
Forum: RV Ongoing Maintenance Issues 08-22-2021, 06:00 AM
Replies: 5
Views: 528
Posted By bobnoffs
i have no gascolator. my first filter out of the...

i have no gascolator. my first filter out of the tank is the 100 micron inline i am talking about. after the pumps i have a 30 micron. walbro recommends a 70-80 before their pumps. that is what i am...
Forum: RV Ongoing Maintenance Issues 08-21-2021, 08:13 AM
Replies: 5
Views: 528
Posted By bobnoffs
fuel filters

i have an aeromotive inline fuel filter #12316. this has a 100 micron filter mesh. i would like to go a little finer, 70-80 micron and i am wondering if anyone has found a compatable filter cartridge...
Forum: RV General Discussion/News 08-16-2021, 07:03 AM
Replies: 10
Views: 1,304
Posted By bobnoffs
flat and level are 2 different things. to check...

flat and level are 2 different things.
to check flat stretch fishing line [firewire is good] across as tight as you can. slip a pencil under the string at each end, then go along the length of the...
Forum: RV-12/RV-12iS 08-13-2021, 10:37 AM
Replies: 0
Views: 541
Posted By bobnoffs
bulkhead tracing

i have a built about ready to fly 12 and i need a tracing of the 2 most aft [not the one that is against the fiberglass cone] tailcone bulkheads. i only need either lower corner of f-1209 and f-1210...
Forum: RV-7/7A 08-07-2021, 04:42 AM
Replies: 12
Views: 1,042
Posted By bobnoffs
that would be a lot of heat. how about drilling...

that would be a lot of heat. how about drilling thru for a #6 or #8 bolt and then attaching a flat piece of sheet lead the size that brings the whole thing back to proper weight? or maybe vans will...
Forum: RV General Discussion/News 08-03-2021, 04:36 AM
Replies: 7
Views: 855
Posted By bobnoffs
i keep mine way longer than that and it performs...

i keep mine way longer than that and it performs ok for me if it is kept in the freezer. right next to the tube of rubber boot repair.
Forum: RV General Discussion/News 07-19-2021, 03:22 AM
Replies: 23
Views: 2,151
Posted By bobnoffs
dad's rv-10 pics of the crane van brings back...

dad's rv-10 pics of the crane van brings back memories for me. looks like a ''north american van lines ''van. in the mid 70's n.a.v.l., allied van lines etc. were all into hauling electronics. a...
Forum: RV General Discussion/News 07-03-2021, 04:04 AM
Replies: 59
Views: 3,724
Posted By bobnoffs
my first plane, a warrior 41870 was totaled in...

my first plane, a warrior 41870 was totaled in the hangar in a storm in the eighties. that number was on a helicopter when i did my first build so i went with the birthday, initial thing.
2 years...
Forum: RV General Discussion/News 06-10-2021, 04:30 AM
Replies: 16
Views: 2,376
Posted By bobnoffs
philip, a long time ago...........i learned that...

philip,
a long time ago...........i learned that riding my motorcycle between the rails was smooth as silk after a certain speed[ maybe 20 mph.]
the grease spot thing was the same though.
Forum: RV General Discussion/News 06-06-2021, 03:28 AM
Replies: 33
Views: 7,218
Posted By bobnoffs
stupid student pilot tricks. instructor and i got...

stupid student pilot tricks. instructor and i got into our cherokee and he asked me if i visually checked the fuel. i answered ''the line boy said he did''. that was the last time i ever took...
Forum: RV-12/RV-12iS 06-04-2021, 09:00 AM
Replies: 2
Views: 1,261
Posted By bobnoffs
checkride for insurance

hi all, i am looking for a flight school in n. wi that has a 12. waupaca sold theirs a few months ago.eastern mn. would work too.
thanks.
Forum: Tools 05-20-2021, 04:01 AM
Replies: 24
Views: 1,776
Posted By bobnoffs
if you don't buy a tool you will waste a lot of...

if you don't buy a tool you will waste a lot of time. i bet no one crimped the wire lugs and that was the end of it. i changed things and redid a lot. gas is 3 bucks, time is priceless and 2 trips to...
Forum: RV General Discussion/News 05-01-2021, 05:45 PM
Replies: 11
Views: 1,651
Posted By bobnoffs
that's it. you will find it in the acs list of...

that's it. you will find it in the acs list of sizes.
Forum: RV General Discussion/News 05-01-2021, 05:19 AM
Replies: 11
Views: 1,651
Posted By bobnoffs
isn't the size stamped on the head? i just...

isn't the size stamped on the head? i just ordered some and just matched the number on the head.
Forum: RV-8/8A 04-16-2021, 08:11 AM
Replies: 24
Views: 7,218
Posted By bobnoffs
To clarify the table rolls under the engine and...

To clarify the table rolls under the engine and the cowling is aligned and close to the plane.
Forum: RV-8/8A 04-16-2021, 08:09 AM
Replies: 24
Views: 7,218
Posted By bobnoffs
I built a table out of plywood and 2x4ís for...

I built a table out of plywood and 2x4ís for legs. Swivel wheels on the end of each leg. Make it big enough to easily set the lower cowl in.pad the table and add blocking or whatever as needed. I...
Forum: RV General Discussion/News 04-11-2021, 04:01 PM
Replies: 41
Views: 2,849
Posted By bobnoffs
I have owned a bike of some sort every day of my...

I have owned a bike of some sort every day of my life since I was 16.
2 different animals. One does not scratch the other itch.
Forum: RV General Discussion/News 04-02-2021, 03:17 AM
Replies: 68
Views: 8,503
Posted By bobnoffs
gonna pass on oshkosh again this year.i just...

gonna pass on oshkosh again this year.i just don't feel that lucky. talk about a crowded beach.
Forum: RV General Discussion/News 03-24-2021, 03:33 PM
Replies: 6
Views: 722
Posted By bobnoffs
fuel filter micron sizing

from reading threads on this forum it seems that sizing the first filter downstream of the sump but before the pumps be 70 micron and the filter before the injectors be 30 micron.
my first filter...
Forum: RV General Discussion/News 03-21-2021, 09:57 AM
Replies: 26
Views: 2,347
Posted By bobnoffs
when my lightspeed 20's died i had set of passive...

when my lightspeed 20's died i had set of passive headsets lying around. they were very comfortable and their passive noise reduction was excellent. i bought a kit for converting to anr . couldn't be...
Forum: RV-12/RV-12iS 03-15-2021, 12:19 AM
Replies: 18
Views: 2,260
Posted By bobnoffs
isn't there some kind of filtering between the...

isn't there some kind of filtering between the ground tank and the nozzle of the hose filling the aircraft? i have no idea but that seems so simple?
Forum: Electronic Ignition Systems 03-05-2021, 02:49 PM
Replies: 22
Views: 4,788
Posted By bobnoffs
i have my linear bench power wired to plug for a...

i have my linear bench power wired to plug for a cigarette lighter power outlet. leave the master off, plug bench power into power receptacle and turn on bench power. i am comfortable accessing its...
Forum: Alternative Engines 03-02-2021, 02:50 PM
Replies: 17
Views: 4,626
Posted By bobnoffs
dan, what alternate engines do you like?

dan, what alternate engines do you like?
Forum: RV Building Tips/Techniques 02-25-2021, 05:04 AM
Replies: 1
Views: 528
Posted By bobnoffs
wire gauge

before labeling my fuse panel i wanted to double check wire gauge. i ended up making a 3/16'' wide strip of .o32 aluminum 4'' long. i put a slot in the end with the bandsaw and then opened the gap so...
Forum: RV-12/RV-12iS 02-12-2021, 02:53 PM
Replies: 189
Views: 54,505
Posted By bobnoffs
boy, you are right on with that one, joe.

boy, you are right on with that one, joe.
Forum: RV General Discussion/News 02-09-2021, 09:11 AM
Replies: 8
Views: 1,706
Posted By bobnoffs
registration

fwiw,i sent in my faa application on 1/25. i got my reg. card back monday.
Forum: Traditional Aircraft Engines 02-05-2021, 07:52 AM
Replies: 49
Views: 8,056
Posted By bobnoffs
i once replaced my electric aux. pump with what i...

i once replaced my electric aux. pump with what i thought was an identical pump. when i turned this electric pump off after the engine start the silence was deafening. i had gotten a slightly...
Forum: RV Ongoing Maintenance Issues 02-05-2021, 05:16 AM
Replies: 22
Views: 2,696
Posted By bobnoffs
that is a new take on npt thread sealer i was...

that is a new take on npt thread sealer i was unaware of. i have always stayed from the tape but never knew that slightly dissolvable sealant had its advantages .very good to know.
Forum: RV Ongoing Maintenance Issues 02-04-2021, 10:42 AM
Replies: 22
Views: 2,696
Posted By bobnoffs
dan, so then is it a disadvantage that a sealer...

dan, so then is it a disadvantage that a sealer ,like 567 doesn't dissolve in fuel?
Forum: RV Ongoing Maintenance Issues 02-04-2021, 05:10 AM
Replies: 22
Views: 2,696
Posted By bobnoffs
567 is about the only thread sealer that is...

567 is about the only thread sealer that is actually fuelproof. i know lots use permatex #2 but the label says fuel resistant, not fuelproof. if you test it in a jar of fuel you will see.
there is...
Forum: RV Ongoing Maintenance Issues 01-19-2021, 02:47 PM
Replies: 25
Views: 6,933
Posted By bobnoffs
heard the one about the football team that called...

heard the one about the football team that called in the police and dogs for a mysterious white powder they found? it was the goal line.
Forum: Electrical Systems 01-17-2021, 05:03 AM
Replies: 34
Views: 4,785
Posted By bobnoffs
cheer up, things could be worse. so i reset the...

cheer up, things could be worse. so i reset the trim breaker and sure enough, things got worse.
Forum: RV Building Tips/Techniques 01-13-2021, 03:34 AM
Replies: 18
Views: 2,601
Posted By bobnoffs
as others have said..........i tried #6 panhead...

as others have said..........i tried #6 panhead hex allen for my panel. such a small amount of metal removed from the allen key or screwhead takes it from perfect fit to totally wornout. they work...
Forum: RV Ongoing Maintenance Issues 12-30-2020, 08:56 AM
Replies: 63
Views: 11,509
Posted By bobnoffs
aren't at least some earthx batteries vented? i...

aren't at least some earthx batteries vented? i would expect you would never see this with them
Forum: RV General Discussion/News 12-15-2020, 04:32 AM
Replies: 25
Views: 3,800
Posted By bobnoffs
i have always been more worried about spam calls...

i have always been more worried about spam calls turning on the system and having it run for days. i have a timer between the unit and the power source. once a day it shuts off the power which turns...
Forum: RV Building Tips/Techniques 12-15-2020, 04:18 AM
Replies: 14
Views: 1,722
Posted By bobnoffs
5 minute epoxy. to another washer, over the hole...

5 minute epoxy. to another washer, over the hole , to the little stick that moves it into place, etc.
Forum: Traditional Aircraft Engines 12-08-2020, 08:16 AM
Replies: 22
Views: 2,672
Posted By bobnoffs
brian, your assumption seems logical but steel...

brian, your assumption seems logical but steel will rust without h20 present in liquid form. and the ''rust rate'' doubles with every 10 deg. c. increase in temp.
this whole thing is so full of...
Forum: RV General Discussion/News 12-01-2020, 10:14 AM
Replies: 52
Views: 8,002
Posted By bobnoffs
i was pretty much done with my 12 build when i...

i was pretty much done with my 12 build when i got the flash drive. it was to me pretty much useless to me until i went thru it and put a name...ex. ''adjust rudder cable tension'' or something that...
Forum: RV General Discussion/News 11-30-2020, 08:22 AM
Replies: 17
Views: 2,781
Posted By bobnoffs
depends where you live. old golf carts are like...

depends where you live. old golf carts are like gold around campgrounds etc. on lakes. at least around here. small riding lawnmowers with in/op mower decks seem to be plentiful and cheap IF the deck...
Forum: RV General Discussion/News 11-26-2020, 11:34 AM
Replies: 2
Views: 889
Posted By bobnoffs
quality fuel fittings

so i spend so much time online comparing.........every time i work on fuel,oil systems.
does anyone really know if the brass hose fittings on ,zoro for example , are satisfactory safetywise as a...
Forum: Alternative Engines 11-13-2020, 04:40 AM
Replies: 771
Views: 194,211
Posted By bobnoffs
thank you john. i knew the 110 had a higher...

thank you john. i knew the 110 had a higher rating, surprised to read of the lower temps. for mechanical parts in this unit.
Forum: Alternative Engines 11-12-2020, 02:26 PM
Replies: 771
Views: 194,211
Posted By bobnoffs
so i have to ask what is probably dumb question...

so i have to ask what is probably dumb question but why is the max 180 deg.? the faucet on my kitchen sink can take higher temps. does it have anything to do with the max temp some additives can...
Forum: RV-7/7A 11-12-2020, 05:11 AM
Replies: 9
Views: 1,728
Posted By bobnoffs
just an observation......i wonder if the glue has...

just an observation......i wonder if the glue has been changed in 10 yrs. last month i peeled the plastic off the vert. stab.. it had been on 7 yrs. mineral spirits easily removed the glue residue.
Forum: RV Ongoing Maintenance Issues 11-08-2020, 04:09 PM
Replies: 6
Views: 1,374
Posted By bobnoffs
your use of tools and instruments for the video...

your use of tools and instruments for the video is very impressive
Forum: RV-12/RV-12iS 11-08-2020, 11:28 AM
Replies: 7
Views: 2,280
Posted By bobnoffs
a little off thread but.....i am a day vfr pilot....

a little off thread but.....i am a day vfr pilot. i have no use to light the gauges. i do want to light the cockpit.i have the conventional wiring but instead of the van's light on the rollbar i...
Forum: Safety 11-08-2020, 03:35 AM
Replies: 36
Views: 8,010
Posted By bobnoffs
is it common that builders insurance covers...

is it common that builders insurance covers damage by an engine start? i assumed you need taxi ins. at least?
Forum: RV-14 11-04-2020, 07:38 AM
Replies: 8
Views: 2,722
Posted By bobnoffs
surprising to read a reamer did these holes. the...

surprising to read a reamer did these holes. the purpose of a reamer is a round hole. the problem must be in the drilling operation/drills as suggested.
holes must have already been too large when...
Forum: West (and Southwest) 10-24-2020, 09:50 AM
Replies: 17
Views: 4,963
Posted By bobnoffs
curious, is there much air traffic to see and...

curious, is there much air traffic to see and avoid along these interstates?
Forum: RV-10 10-21-2020, 11:49 AM
Replies: 13
Views: 2,200
Posted By bobnoffs
on a jabiru 3300 i had 350 watts of stick on...

on a jabiru 3300 i had 350 watts of stick on heaters. it's true they have no thermostat but at some point on every installation heat in equals heat lost. on the jabiru 350 watts will raise the temp...
Forum: RV General Discussion/News 10-21-2020, 05:57 AM
Replies: 4
Views: 1,853
Posted By bobnoffs
so phillip, no brain damage then?

so phillip, no brain damage then?
Forum: RV Building Tips/Techniques 10-18-2020, 06:49 AM
Replies: 8
Views: 2,026
Posted By bobnoffs
just want to follow up here, might be of help in...

just want to follow up here, might be of help in the future. my holes were #27 and i enlarged to 5/32. i did this with a 6 fluted reamer. straight flutes. i put the reamer in a hand held chuck and it...
Forum: RV Building Tips/Techniques 10-14-2020, 07:56 PM
Replies: 8
Views: 2,026
Posted By bobnoffs
yes on the practice, i have scrap. the catch to...

yes on the practice, i have scrap. the catch to this is that there is already a hole. i don't think plexiglass drills are meant for an existing hole. they still have the ''spiral'' cut which can grab...
Forum: RV Building Tips/Techniques 10-14-2020, 05:11 PM
Replies: 8
Views: 2,026
Posted By bobnoffs
redrilling holes in plexiglass

hi all,
i am about to install my lexan rear window in my 12. it has already been drilled with a #27 drill as recommended in the manual. i have heard that better longevity may be had if the holes are...
Forum: Safety 10-14-2020, 02:17 AM
Replies: 38
Views: 7,758
Posted By bobnoffs
my take on aero engines is that they aren't so...

my take on aero engines is that they aren't so reliable. so many engines that get to tbo have a history of replaced rings, valves, pistons, and other essential components. all these failures ar...
Forum: Electrical Systems 10-11-2020, 05:06 PM
Replies: 17
Views: 2,366
Posted By bobnoffs
and i polish the edge of the socket with a 3m...

and i polish the edge of the socket with a 3m wheel so it doesn't mar the panel.
Forum: RV Building Tips/Techniques 10-11-2020, 03:40 PM
Replies: 7
Views: 2,161
Posted By bobnoffs
i would drill undersize holes on each side. start...

i would drill undersize holes on each side. start with a small bit and go up and pay attention to drilling your indent mark as accurate as possible. then finally drill to full size , going in one...
Forum: RV-12/RV-12iS 10-09-2020, 07:27 PM
Replies: 37
Views: 9,982
Posted By bobnoffs
when i built my 12 i used a #30 reamer in many...

when i built my 12 i used a #30 reamer in many hundreds of rivet holes. i don't care what has been written about this that it will fit. when the drill shank won't fit in either hole, one hole at a...
Forum: RV General Discussion/News 10-07-2020, 06:11 AM
Replies: 5
Views: 1,480
Posted By bobnoffs
freemasm,it's fuel injected. 40psi

freemasm,it's fuel injected. 40psi
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